Optimus Stereo Receiver 31 3042 User Manual

Cat. No. 31-3042  
Audio/Video  
Receiver  
STAV-3770  
DOLBY SURROUND  
P
R
O
L
O
G
I
C
STAV-3770 AUDIO/VIDEO RECEIVER  
STANDBY  
POWER  
DSP  
MODE  
DOLBY  
VIRTUAL  
MEMORY FM MONO CLASS  
VOLUME  
DSP  
DIGITAL  
SIGNAL  
PROCESSOR  
DOLBY  
PRO LOGIC  
SELECT  
LOUDNESS  
STATION  
TUNING  
OSR  
DSP  
SELECT  
TONE  
DOWN  
LEFT  
UP  
VCR  
TAPE 1  
TAPE 2  
MONITOR  
DVD/LD  
CD  
FM/AM  
PHONO  
BALANCE  
RIGHT  
SPEAKER  
4X100WATT  
EQUAL POWER OUTPUT  
MIN  
MAX  
PHONES  
Owner’s Manual  
Please read before using this equipment.  
Download from Www.Somanuals.com. All Manuals Search And Download.  
Introducing the Optimus STAV-3770  
Your Optimus STAV-3770 Audio/Video Receiver is the perfect control center for  
your audio/video system. It combines 100 watts-per-channel of clean power  
with modern styling. And, it provides connections for one tape deck, one audio/  
video source, one more tape deck or audio/video playback source, a turntable,  
a CD player, and a video monitor.  
Your receiver also has special sound options. Dolby Pro LogicSurround Sound  
delivers movie theater sound for audio/video programs (especially those  
encoded with Dolby Surround Sound signals). Dolby 3CH Logic provides a  
wider sound field than ordinary playback. DSP Effects creates a listening envi-  
ronment that simulates a concert hall, jazz club, theater, or a dance hall. Dolby  
Virtual provides a three-dimensional sound field using only the front left and  
right speakers.  
Additional features include:  
Digital-Synthesized Tuner Precisely tunes to AM and FM stations.  
30 Memory Locations Let you store and recall the frequencies for up to 30 AM/FM stations.  
Automatic Tuning Searches for the next available AM/FM station.  
Tape Monitoring Lets you listen to the actual recording as you record, if your tape deck has a  
tape-monitoring feature.  
Built-In Protection Circuits Automatically turn off the receiver to help avoid power surges or short circuit  
damage.  
Remote Control Lets you use a single remote control for the receiver and other compatible com-  
ponents connected to the receiver.  
Note: The remote control requires two AA batteries (not supplied).  
We recommend you record the receiver’s serial number here. The number is on the re-  
ceiver’s back panel.  
Serial Number:_____________________________________________  
Note to the Cable TV System Installer:  
This reminder is provided to call the CATV system installer’s attention to Article 820-40 of the National Electrical Code that  
provides guidelines for proper grounding and, in particular, specifies that the cable ground shall be connected to the ground-  
ing system of the building as close to the point of cable entry as practical.  
Manufactured under license from Dolby Laboratories Licensing Corporation.  
Dolby, Pro Logic, and the double-D symbol (  
) are trademarks of Dolby Laboratories Licensing Corporation.  
1998 Tandy Corporation.  
All Rights Reserved.  
RadioShack and Optimus are registered trademarks used by Tandy Corporation.  
Download from Www.Somanuals.com. All Manuals Search And Download.  
2
Introducing the Optimus STAV-3770  
Your Optimus STAV-3770 Audio/Video Receiver is the perfect control center for  
your audio/video system. It combines 100 watts-per-channel of clean power  
with modern styling. And, it provides connections for one tape deck, one audio/  
video source, one more tape deck or audio/video playback source, a turntable,  
a CD player, and a video monitor.  
Your receiver also has special sound options. Dolby Pro LogicSurround Sound  
delivers movie theater sound for audio/video programs (especially those  
encoded with Dolby Surround Sound signals). Dolby 3CH Logic provides a  
wider sound field than ordinary playback. DSP Effects creates a listening envi-  
ronment that simulates a concert hall, jazz club, theater, or a dance hall. Dolby  
Virtual provides a three-dimensional sound field using only the front left and  
right speakers.  
Additional features include:  
Digital-Synthesized Tuner Precisely tunes to AM and FM stations.  
30 Memory Locations Let you store and recall the frequencies for up to 30 AM/FM stations.  
Automatic Tuning Searches for the next available AM/FM station.  
Tape Monitoring Lets you listen to the actual recording as you record, if your tape deck has a  
tape-monitoring feature.  
Built-In Protection Circuits Automatically turn off the receiver to help avoid power surges or short circuit  
damage.  
Remote Control Lets you use a single remote control for the receiver and other compatible com-  
ponents connected to the receiver.  
Note: The remote control requires two AA batteries (not supplied).  
We recommend you record the receiver’s serial number here. The number is on the re-  
ceiver’s back panel.  
Serial Number:_____________________________________________  
Note to the Cable TV System Installer:  
This reminder is provided to call the CATV system installer’s attention to Article 820-40 of the National Electrical Code that  
provides guidelines for proper grounding and, in particular, specifies that the cable ground shall be connected to the ground-  
ing system of the building as close to the point of cable entry as practical.  
Manufactured under license from Dolby Laboratories Licensing Corporation.  
Dolby, Pro Logic, and the double-D symbol (  
) are trademarks of Dolby Laboratories Licensing Corporation.  
1998 Tandy Corporation.  
All Rights Reserved.  
RadioShack and Optimus are registered trademarks used by Tandy Corporation.  
Download from Www.Somanuals.com. All Manuals Search And Download.  
2
IMPORTANT SAFETY INSTRUCTIONS  
This receiver is made and tested to meet exacting  
safety standards. It meets both UL and FCC require-  
ments  
Careful attention is devoted to quality standards in the manufacture of your receiver, and safety is  
a major factor in its design. However, safety is also your responsibility.  
This section lists important information that will help you properly use and enjoy your receiver and  
accessories. Read all the included safety and operating instructions before using your receiver. Fol-  
low them closely, and retain them for future reference.  
WARNING: TO REDUCE THE RISK OF  
FIRE OR ELECTRIC SHOCK, DO NOT  
EXPOSE THIS APPLIANCE TO RAIN OR  
MOISTURE.  
Heed Warnings — Follow all warnings on the product and in the operating instructions.  
Cleaning — Unplug this product from the wall outlet before cleaning. Use only a damp cloth for  
cleaning. Do not use liquid or aerosol cleaners.  
Attachments — Do not use attachments/accessories not recommended by the product manufac-  
turer, as they might create a hazard.  
Water and Moisture — Do not use this product near water (for example, near a bathtub, washbowl,  
kitchen sink, or laundry tub; in a wet basement; or near a swimming pool).  
CAUTION  
Accessories — Do not place this product on an unstable cart, stand, tripod, bracket, or table. The  
product may fall, causing serious injury to a child or adult, and serious damage to the product. Use  
only with a cart, stand, tripod, bracket, or table recommended by the manufacturer or sold with the  
product. Follow the manufacturer's instructions for mounting, and use a recommended mounting  
accessory.  
RISK OF ELECTRIC SHOCK.  
!
DO NOT OPEN.  
CAUTION  
: TO REDUCE THE RISK OF  
ELECTRIC SHOCK, DO NOT REMOVE  
COVER OR BACK. NO USER-SERVICE-  
ABLE PARTS INSIDE. REFER SERVICING  
TO QUALIFIED PERSONNEL.  
Carts — Move the product on a cart carefully. Quick stops, excessive force, and  
uneven surfaces may cause the product/cart to overturn.  
Ventilation — Slots and openings in the cabinet provide ventilation, ensure reli-  
able operation, and protect from overheating. Do not block or cover these open-  
ings, and do not place the product on a bed, sofa, rug, or other similar surface. Do  
not place the product in a built-in bookcase or rack unless it provides proper ven-  
tilation as specified by the manufacturer.  
This symbol is intended to alert you to the  
presence of uninsulated dangerous voltage  
within the system’s enclosure that might be of  
sufficient magnitude to constitute a risk of  
electric shock. Do not open the system’s  
case.  
Power Sources — Operate this product using only the power source indicated on its marking label.  
If you are not sure of your home's power type, consult your product dealer or local power company.  
Polarization — This product is equipped with a polarized AC line plug (a plug having one blade  
wider than the other). This plug will fit in the power outlet only one way. This is a safety feature. If  
you cannot insert the plug fully into the outlet, try reversing the plug. If the plug still doesn't fit, con-  
tact your electrician to replace your obsolete outlet. Do not defeat the safety purpose of the polar-  
ized plug. If you need an extension, use a polarized cord.  
This symbol is intended to inform you that im-  
portant operating and maintenance instruc-  
tions are included in the literature  
accompanying this system.  
Power-Cord Protection — Route power-supply cords so they are not likely to be walked on or  
pinched by items placed on or against them, paying particular attention to cords at plugs, conve-  
nience receptacles, and the point where they exit from the product.  
!
Lightning — For added protection for this product during a lightning storm, or when it is left unat-  
tended and unused for long periods of time, unplug it from the wall outlet and disconnect the anten-  
na or cable system. This will prevent damage to the product due to lightning and power-line surges.  
CAUTION  
Overloading — Do not overload wall outlets, extension cords, or integral convenience receptacles,  
as this can result in a risk of fire or electric shock.  
Power LinesLocate an outdoor antenna away from  
power lines.  
Objects and Liquids — Never push objects of any kind into this product through openings, as they  
may touch dangerous voltage points or short out parts that could result in a fire or electric shock.  
Never spill liquid of any kind on the product.  
Nonuse PeriodsUnplug the receiver’s power cord  
when you will not use it for extended periods.  
Outdoor Antenna GroundingIf an outside antenna  
or cable system is connected to the receiver, ground  
the antenna or cable system so as to provide some  
protection against voltage surges and built-up static  
charges. Article 810 of the National Electrical Code,  
ANSI/NFPA 80, provides information about proper  
grounding of the mast and supporting structure,  
grounding of the lead-in wire to an antenna discharge  
unit, size of grounding conductors, location of antenna-  
discharge unit, connection to grounding electrodes,  
and requirements for the grounding electrode. See the  
example below.  
Servicing — Do not attempt to service this product yourself, as opening or removing covers may  
expose you to dangerous voltage or other hazards. Refer all servicing to qualified service person-  
nel.  
Damage Requiring Service — Unplug this product from the wall outlet and refer servicing to qual-  
ified service personnel under the following conditions:  
When the power-supply cord or plug is damaged.  
If liquid has been spilled or objects have fallen into the product.  
If the product has been exposed to rain or water.  
If the product does not operate normally by following the operating instructions. Adjust only  
those controls that are covered by the operating instructions, as an improper adjustment of  
other controls may result in damage and will often require extensive work by a qualified techni-  
cian to restore the product to normal operation.  
Antenna  
Lead-In  
Wire  
If the product has been dropped or damaged in any way.  
When the product exhibits a distinct change in performance.  
Ground Clamp  
Replacement Parts — When replacement parts are required, be sure the service technician uses  
replacement parts specified by the manufacturer or having the same characteristics as the original  
part. Unauthorized substitutions may result in fire, electric shock, or other hazards.  
Antenna  
Discharge Unit  
(NEC Section 810-20)  
Electric  
Service  
Grounding Conductors  
(NEC Section 810-21)  
Safety Check — Upon completion of service or repairs to this product, ask the service technician  
Equipment  
to perform safety checks to determine that the product is in proper operating condition.  
Grounding Clamps  
Wall or Ceiling Mount — The product should be mounted to a wall or ceiling only as recommended  
by the manufacturer.  
Power Service Grounding  
Electrode System  
(NEC Article 250, Part H)  
NEC -- National Electrical Code  
Heat — The product should be situated away from heat sources such as radiators, heat registers,  
stoves, or other products (including amplifiers) that produce heat.  
Download from Www.Somanuals.com. All Manuals Search And Download.  
3
IMPORTANT SAFETY INSTRUCTIONS  
This receiver is made and tested to meet exacting  
safety standards. It meets both UL and FCC require-  
ments  
Careful attention is devoted to quality standards in the manufacture of your receiver, and safety is  
a major factor in its design. However, safety is also your responsibility.  
This section lists important information that will help you properly use and enjoy your receiver and  
accessories. Read all the included safety and operating instructions before using your receiver. Fol-  
low them closely, and retain them for future reference.  
WARNING: TO REDUCE THE RISK OF  
FIRE OR ELECTRIC SHOCK, DO NOT  
EXPOSE THIS APPLIANCE TO RAIN OR  
MOISTURE.  
Heed Warnings — Follow all warnings on the product and in the operating instructions.  
Cleaning — Unplug this product from the wall outlet before cleaning. Use only a damp cloth for  
cleaning. Do not use liquid or aerosol cleaners.  
Attachments — Do not use attachments/accessories not recommended by the product manufac-  
turer, as they might create a hazard.  
Water and Moisture — Do not use this product near water (for example, near a bathtub, washbowl,  
kitchen sink, or laundry tub; in a wet basement; or near a swimming pool).  
CAUTION  
Accessories — Do not place this product on an unstable cart, stand, tripod, bracket, or table. The  
product may fall, causing serious injury to a child or adult, and serious damage to the product. Use  
only with a cart, stand, tripod, bracket, or table recommended by the manufacturer or sold with the  
product. Follow the manufacturer's instructions for mounting, and use a recommended mounting  
accessory.  
RISK OF ELECTRIC SHOCK.  
!
DO NOT OPEN.  
CAUTION  
: TO REDUCE THE RISK OF  
ELECTRIC SHOCK, DO NOT REMOVE  
COVER OR BACK. NO USER-SERVICE-  
ABLE PARTS INSIDE. REFER SERVICING  
TO QUALIFIED PERSONNEL.  
Carts — Move the product on a cart carefully. Quick stops, excessive force, and  
uneven surfaces may cause the product/cart to overturn.  
Ventilation — Slots and openings in the cabinet provide ventilation, ensure reli-  
able operation, and protect from overheating. Do not block or cover these open-  
ings, and do not place the product on a bed, sofa, rug, or other similar surface. Do  
not place the product in a built-in bookcase or rack unless it provides proper ven-  
tilation as specified by the manufacturer.  
This symbol is intended to alert you to the  
presence of uninsulated dangerous voltage  
within the system’s enclosure that might be of  
sufficient magnitude to constitute a risk of  
electric shock. Do not open the system’s  
case.  
Power Sources — Operate this product using only the power source indicated on its marking label.  
If you are not sure of your home's power type, consult your product dealer or local power company.  
Polarization — This product is equipped with a polarized AC line plug (a plug having one blade  
wider than the other). This plug will fit in the power outlet only one way. This is a safety feature. If  
you cannot insert the plug fully into the outlet, try reversing the plug. If the plug still doesn't fit, con-  
tact your electrician to replace your obsolete outlet. Do not defeat the safety purpose of the polar-  
ized plug. If you need an extension, use a polarized cord.  
This symbol is intended to inform you that im-  
portant operating and maintenance instruc-  
tions are included in the literature  
accompanying this system.  
Power-Cord Protection — Route power-supply cords so they are not likely to be walked on or  
pinched by items placed on or against them, paying particular attention to cords at plugs, conve-  
nience receptacles, and the point where they exit from the product.  
!
Lightning — For added protection for this product during a lightning storm, or when it is left unat-  
tended and unused for long periods of time, unplug it from the wall outlet and disconnect the anten-  
na or cable system. This will prevent damage to the product due to lightning and power-line surges.  
CAUTION  
Overloading — Do not overload wall outlets, extension cords, or integral convenience receptacles,  
as this can result in a risk of fire or electric shock.  
Power LinesLocate an outdoor antenna away from  
power lines.  
Objects and Liquids — Never push objects of any kind into this product through openings, as they  
may touch dangerous voltage points or short out parts that could result in a fire or electric shock.  
Never spill liquid of any kind on the product.  
Nonuse PeriodsUnplug the receiver’s power cord  
when you will not use it for extended periods.  
Outdoor Antenna GroundingIf an outside antenna  
or cable system is connected to the receiver, ground  
the antenna or cable system so as to provide some  
protection against voltage surges and built-up static  
charges. Article 810 of the National Electrical Code,  
ANSI/NFPA 80, provides information about proper  
grounding of the mast and supporting structure,  
grounding of the lead-in wire to an antenna discharge  
unit, size of grounding conductors, location of antenna-  
discharge unit, connection to grounding electrodes,  
and requirements for the grounding electrode. See the  
example below.  
Servicing — Do not attempt to service this product yourself, as opening or removing covers may  
expose you to dangerous voltage or other hazards. Refer all servicing to qualified service person-  
nel.  
Damage Requiring Service — Unplug this product from the wall outlet and refer servicing to qual-  
ified service personnel under the following conditions:  
When the power-supply cord or plug is damaged.  
If liquid has been spilled or objects have fallen into the product.  
If the product has been exposed to rain or water.  
If the product does not operate normally by following the operating instructions. Adjust only  
those controls that are covered by the operating instructions, as an improper adjustment of  
other controls may result in damage and will often require extensive work by a qualified techni-  
cian to restore the product to normal operation.  
Antenna  
Lead-In  
Wire  
If the product has been dropped or damaged in any way.  
When the product exhibits a distinct change in performance.  
Ground Clamp  
Replacement Parts — When replacement parts are required, be sure the service technician uses  
replacement parts specified by the manufacturer or having the same characteristics as the original  
part. Unauthorized substitutions may result in fire, electric shock, or other hazards.  
Antenna  
Discharge Unit  
(NEC Section 810-20)  
Electric  
Service  
Grounding Conductors  
(NEC Section 810-21)  
Safety Check — Upon completion of service or repairs to this product, ask the service technician  
Equipment  
to perform safety checks to determine that the product is in proper operating condition.  
Grounding Clamps  
Wall or Ceiling Mount — The product should be mounted to a wall or ceiling only as recommended  
by the manufacturer.  
Power Service Grounding  
Electrode System  
(NEC Article 250, Part H)  
NEC -- National Electrical Code  
Heat — The product should be situated away from heat sources such as radiators, heat registers,  
stoves, or other products (including amplifiers) that produce heat.  
Download from Www.Somanuals.com. All Manuals Search And Download.  
3
Contents  
Preparing Your Receiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5  
Positioning Speakers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5  
Connecting Speakers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6  
Connecting Program Sources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9  
Connecting the Antennas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11  
Using One Remote Control for More than One Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13  
Installing the Remote Control’s Batteries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13  
Using the AC Power Outlet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14  
Connecting to AC Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14  
Basic Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15  
Tuning the Radio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16  
Using FM MONO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17  
Adjusting Balance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17  
Using Headphones . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18  
Muting the Receiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18  
Loudness Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18  
Bypassing the Sound Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18  
Cassette Deck/VCR Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19  
Using the VCR/TAPE 1 and TAPE 2 MONITOR Buttons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19  
Monitoring a Program Source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19  
Dubbing a Cassette Tape . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19  
Playing and Recording Video Tapes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20  
Using Advanced Sound Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21  
Sound Mode Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22  
Listening Position for the Dolby Virtual Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23  
Using the Remote Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24  
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26  
Care and Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27  
The FCC Wants You to Know . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28  
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29  
Index to Features by Control Name . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31  
Download from Www.Somanuals.com. All Manuals Search And Download.  
4
Contents  
Preparing Your Receiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5  
Positioning Speakers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5  
Connecting Speakers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6  
Connecting Program Sources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9  
Connecting the Antennas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11  
Using One Remote Control for More than One Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13  
Installing the Remote Control’s Batteries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13  
Using the AC Power Outlet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14  
Connecting to AC Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14  
Basic Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15  
Tuning the Radio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16  
Using FM MONO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17  
Adjusting Balance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17  
Using Headphones . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18  
Muting the Receiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18  
Loudness Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18  
Bypassing the Sound Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18  
Cassette Deck/VCR Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19  
Using the VCR/TAPE 1 and TAPE 2 MONITOR Buttons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19  
Monitoring a Program Source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19  
Dubbing a Cassette Tape . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19  
Playing and Recording Video Tapes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20  
Using Advanced Sound Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21  
Sound Mode Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22  
Listening Position for the Dolby Virtual Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23  
Using the Remote Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24  
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26  
Care and Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27  
The FCC Wants You to Know . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28  
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29  
Index to Features by Control Name . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31  
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4
Preparing Your Receiver  
Caution: Make all the necessary connections before you plug in or turn on the receiver.  
Where you place your speakers (not supplied) can make a noticeable difference  
in your system’s sound. The guidelines in this section will help you choose the  
best locations. After you use your receiver for a while, you might want to try dif-  
ferent locations for your speakers.  
Positioning Speakers  
a
L
R
Bass response depends largely on speaker location. For strong bass, place the  
speakers in the corners of the room. If you want even stronger bass, place the  
speakers directly on the floor. If the bass is too strong, move the speakers  
slightly away from the corners of the room, or raise them 6 to 18 inches off the  
floor. You can buy speaker stands at your local RadioShack store.  
Midway Point  
Between Speakers  
b
a = b  
The distance between the speakers should be about the same as the distance  
between the normal listening point and the point halfway between the speakers.  
If you place the speakers too close together, you reduce the stereo separation.  
If you place them too far apart, you reduce the bass effect and create a hole in  
the middle of the sound.  
Normal ListeningPoint
Most speakers have a tweeter dispersion angle of about 60 degrees. Ideally,  
your listening position should be just inside the overlap area of the tweeter dis-  
persion. You can angle the speakers toward you for better stereo effect.  
• Surround speakers generally sound  
best if you position them above ear  
level.  
To avoid interference with the picture  
on a nearby TV, use magnetically  
shielded speaker systems. This is par-  
ticularly important for the center  
speaker since it is usually located  
closest to the TV.  
To position your speakers for surround sound, place the front speakers at the  
front of your listening area, and place the (rear) surround speakers behind or to  
the sides of the listening point (see “Using Advanced Sound Options” on  
Page 21). Also, place the center speaker above, below, or behind the TV.  
Sound might not appear to coincide with the picture if you place it beside the TV.  
TV  
Front Left  
Speaker  
Front Right  
Speaker  
Center Speaker  
Front  
Listening  
Area  
Rear  
Rear Left  
Speaker  
Rear Right  
Speaker  
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5
Preparing Your Receiver  
Caution: Make all the necessary connections before you plug in or turn on the receiver.  
Where you place your speakers (not supplied) can make a noticeable difference  
in your system’s sound. The guidelines in this section will help you choose the  
best locations. After you use your receiver for a while, you might want to try dif-  
ferent locations for your speakers.  
Positioning Speakers  
a
L
R
Bass response depends largely on speaker location. For strong bass, place the  
speakers in the corners of the room. If you want even stronger bass, place the  
speakers directly on the floor. If the bass is too strong, move the speakers  
slightly away from the corners of the room, or raise them 6 to 18 inches off the  
floor. You can buy speaker stands at your local RadioShack store.  
Midway Point  
Between Speakers  
b
a = b  
The distance between the speakers should be about the same as the distance  
between the normal listening point and the point halfway between the speakers.  
If you place the speakers too close together, you reduce the stereo separation.  
If you place them too far apart, you reduce the bass effect and create a hole in  
the middle of the sound.  
Normal ListeningPoint
Most speakers have a tweeter dispersion angle of about 60 degrees. Ideally,  
your listening position should be just inside the overlap area of the tweeter dis-  
persion. You can angle the speakers toward you for better stereo effect.  
• Surround speakers generally sound  
best if you position them above ear  
level.  
To avoid interference with the picture  
on a nearby TV, use magnetically  
shielded speaker systems. This is par-  
ticularly important for the center  
speaker since it is usually located  
closest to the TV.  
To position your speakers for surround sound, place the front speakers at the  
front of your listening area, and place the (rear) surround speakers behind or to  
the sides of the listening point (see “Using Advanced Sound Options” on  
Page 21). Also, place the center speaker above, below, or behind the TV.  
Sound might not appear to coincide with the picture if you place it beside the TV.  
TV  
Front Left  
Speaker  
Front Right  
Speaker  
Center Speaker  
Front  
Listening  
Area  
Rear  
Rear Left  
Speaker  
Rear Right  
Speaker  
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5
Preparing Your Receiver  
Connecting Speakers  
Preparing the Speaker Wires  
Speaker wire consists of two conductors (individual wires) encased in insulation  
and is usually color-coded or marked with a ridge along one side so you can  
identify each conductor. Use these markings as a guide to help you properly  
connect the speakers to your receiver.  
Follow these guidelines when you select  
and connect speakers.  
• Only connect speakers that are rated  
at between 8 and 16 Ohms.  
Follow these steps to prepare the speaker wires.  
• Be sure you properly connect all  
speakers.  
Wire Strands  
• Do not connect two pairs of speakers  
to a single set of terminals at the  
same time.  
Speaker Wire  
• Realistic, Optimus, and other high-  
quality speakers have color-coded  
speaker terminals (red for positive po-  
larity and black for negative polarity).  
Use these color-coded terminals as a  
guide to help you properly connect the  
speakers to the receiver.  
Wire Strands  
Conductor  
• Use 16-gauge (or larger) speaker wire  
for all speaker connections, and con-  
sider possible speaker locations be-  
fore you decide how much speaker  
wire you need.  
1. Cut the speaker wires to the necessary length.  
2. Separate the wires about 4 inches on each end.  
3
3. Using a wire stripper, carefully strip about /4 inch of insulation from the  
end of each conductor.  
4. Twist the end of each conductor to secure any loose wire strands.  
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6
Preparing Your Receiver  
Connecting Speakers  
Preparing the Speaker Wires  
Speaker wire consists of two conductors (individual wires) encased in insulation  
and is usually color-coded or marked with a ridge along one side so you can  
identify each conductor. Use these markings as a guide to help you properly  
connect the speakers to your receiver.  
Follow these guidelines when you select  
and connect speakers.  
• Only connect speakers that are rated  
at between 8 and 16 Ohms.  
Follow these steps to prepare the speaker wires.  
• Be sure you properly connect all  
speakers.  
Wire Strands  
• Do not connect two pairs of speakers  
to a single set of terminals at the  
same time.  
Speaker Wire  
• Realistic, Optimus, and other high-  
quality speakers have color-coded  
speaker terminals (red for positive po-  
larity and black for negative polarity).  
Use these color-coded terminals as a  
guide to help you properly connect the  
speakers to the receiver.  
Wire Strands  
Conductor  
• Use 16-gauge (or larger) speaker wire  
for all speaker connections, and con-  
sider possible speaker locations be-  
fore you decide how much speaker  
wire you need.  
1. Cut the speaker wires to the necessary length.  
2. Separate the wires about 4 inches on each end.  
3
3. Using a wire stripper, carefully strip about /4 inch of insulation from the  
end of each conductor.  
4. Twist the end of each conductor to secure any loose wire strands.  
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6
Preparing Your Receiver  
Right  
Front Speakers  
Center Speaker  
Left  
AUDIO  
IN  
FRONT SEAKERS  
SUB  
R
L
WOOFER  
CAUTION: SPEAKER IMPEDANCE  
8
~ 16 / SPEAKER  
PRE  
OUT  
R
R
L
L
Amplified  
Subwoofer  
CENTER  
SURROUND  
SPEAKERS  
SPEAKER  
Right  
Surround Speakers  
Left  
Connecting the Front Speakers  
Note: Be sure you connect the re-  
ceiver’s right and left positive (+) and  
negative (–) terminals to the speaker’s  
corresponding right and left positive (+)  
and negative (–) terminals.  
Follow these steps to connect the right speaker to the receiver’s right FRONT  
SPEAKERS terminals.  
1. Press open the receiver’s FRONT SPEAKERS R (+) red lever and insert the  
ridged or color-coded conductor’s end into the small hole. Press the lever  
closed to secure the conductor.  
2. Press open the receiver’s FRONT SPEAKERS R () black lever and insert the  
other conductor’s end into the small hole. Press the lever closed to  
secure the conductor.  
3. Connect the ridged or color-coded conductor’s loose end to the right  
speaker’s positive (+) terminal.  
4. Connect the remaining loose conductor to the right speaker’s negative (–)  
terminal.  
Repeat Steps 1–4 to connect the left speaker to the receiver’s FRONT SPEAKERS  
left terminals.  
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7
Preparing Your Receiver  
Right  
Front Speakers  
Center Speaker  
Left  
AUDIO  
IN  
FRONT SEAKERS  
SUB  
R
L
WOOFER  
CAUTION: SPEAKER IMPEDANCE  
8
~ 16 / SPEAKER  
PRE  
OUT  
R
R
L
L
Amplified  
Subwoofer  
CENTER  
SURROUND  
SPEAKERS  
SPEAKER  
Right  
Surround Speakers  
Left  
Connecting the Front Speakers  
Note: Be sure you connect the re-  
ceiver’s right and left positive (+) and  
negative (–) terminals to the speaker’s  
corresponding right and left positive (+)  
and negative (–) terminals.  
Follow these steps to connect the right speaker to the receiver’s right FRONT  
SPEAKERS terminals.  
1. Press open the receiver’s FRONT SPEAKERS R (+) red lever and insert the  
ridged or color-coded conductor’s end into the small hole. Press the lever  
closed to secure the conductor.  
2. Press open the receiver’s FRONT SPEAKERS R () black lever and insert the  
other conductor’s end into the small hole. Press the lever closed to  
secure the conductor.  
3. Connect the ridged or color-coded conductor’s loose end to the right  
speaker’s positive (+) terminal.  
4. Connect the remaining loose conductor to the right speaker’s negative (–)  
terminal.  
Repeat Steps 1–4 to connect the left speaker to the receiver’s FRONT SPEAKERS  
left terminals.  
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7
Preparing Your Receiver  
Connecting Surround-Sound Speakers  
You can connect a pair of speakers to the receiver for surround-sound pro-  
grams. Follow the steps in “Connecting the Front Speakers” to connect the  
speakers to the SURROUND SPEAKERS terminals.  
Connecting the Center Speaker  
The center speaker gives additional ambience to surround sound. Follow the  
steps in “Connecting the Front Speakers” to connect the center speaker to the  
CENTER SPEAKER terminals.  
Connecting a Subwoofer Amplifier  
Your receiver includes a line-level subwoofer output. Connecting a subwoofer to  
your system dramatically extends bass response for incredible richness and  
depth. When you listen to surround-sound programs, a subwoofer enhances  
your home theater experience by realistically re-creating the rumble of an earth-  
quake, the bone-jarring percussion of a cannon, and more. To use the sub-  
woofer output, simply connect SUBWOOFER PRE OUT to an amplified subwoofer’s  
line-level input or to an amplifier to which you have connected a subwoofer.  
RadioShack stores sell a variety of suitable subwoofers and amplifiers.  
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8
Preparing Your Receiver  
Connecting Surround-Sound Speakers  
You can connect a pair of speakers to the receiver for surround-sound pro-  
grams. Follow the steps in “Connecting the Front Speakers” to connect the  
speakers to the SURROUND SPEAKERS terminals.  
Connecting the Center Speaker  
The center speaker gives additional ambience to surround sound. Follow the  
steps in “Connecting the Front Speakers” to connect the center speaker to the  
CENTER SPEAKER terminals.  
Connecting a Subwoofer Amplifier  
Your receiver includes a line-level subwoofer output. Connecting a subwoofer to  
your system dramatically extends bass response for incredible richness and  
depth. When you listen to surround-sound programs, a subwoofer enhances  
your home theater experience by realistically re-creating the rumble of an earth-  
quake, the bone-jarring percussion of a cannon, and more. To use the sub-  
woofer output, simply connect SUBWOOFER PRE OUT to an amplified subwoofer’s  
line-level input or to an amplifier to which you have connected a subwoofer.  
RadioShack stores sell a variety of suitable subwoofers and amplifiers.  
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8
Preparing Your Receiver  
You can connect up to five external program sources to your receiver.  
Connecting  
Program Sources  
VIDEO  
OUT  
TO MONITOR TV  
VIDEO  
OUT  
CONTROL  
SUB  
WOOFER  
OUT  
VIDEO  
IN  
VIDEO  
IN  
PRE  
OUT  
IN  
PLAY  
OUT  
REC  
IN  
PLAY  
OUT  
REC  
IN  
IN  
IN  
L
L
L
R
R
R
TAPE2  
MONITOR  
CD  
VCR/  
TAPE1  
PHONO  
DVD/  
LD  
SIGNAL GND  
LINE  
REC  
PLAY  
OUT PUT  
L
L
R
REC  
PLAY  
R
INPUT OUTPUT  
CD  
Turntable  
Cassette Deck  
CD Player  
Connecting a Turntable  
Connect a turntable with a magnetic cartridge only. Some older turntables use a  
ceramic-type cartridge that does not work with this system.  
Note: Use shielded audio cables with  
phono connectors for all audio connec-  
tions.  
L
R
Connect the turntable’s left and right cables to the receiver’s (left) and (right)  
PHONO IN  
SIG-  
jacks. Then connect the turntable’s ground wire to the receiver’s  
terminal.  
NAL GND  
Connecting a CD Player  
To connect a CD player to the receiver, connect the CD player’s left and right  
L
R CD IN  
jacks.  
output jacks to the receiver’s and  
Connecting Cassette Decks  
VCR/TAPE 1  
TAPE 2 MONITOR  
jacks.  
You can connect cassette decks to the  
and  
Note: If you place the cassette deck di-  
rectly above, below, or to the left of the  
receiver, the receiver could interfere with  
the cassette deck’s operation. If possi-  
ble, position the cassette deck to the  
right or away from the receiver.  
VCR/TAPE 1 IN PLAY  
TAPE 2  
or  
Connect the cassette deck’s output jacks to the  
MONITOR IN PLAY  
VCR/  
jacks, and connect the cassette deck’s input jacks to the  
TAPE 2 MONITOR OUT REC  
jacks.  
TAPE 1 OUT REC  
or  
DVD/LD IN  
You can connect a third cassette deck (for playback only) to the  
(audio) jacks.  
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9
Preparing Your Receiver  
You can connect up to five external program sources to your receiver.  
Connecting  
Program Sources  
VIDEO  
OUT  
TO MONITOR TV  
VIDEO  
OUT  
CONTROL  
SUB  
WOOFER  
OUT  
VIDEO  
IN  
VIDEO  
IN  
PRE  
OUT  
IN  
PLAY  
OUT  
REC  
IN  
PLAY  
OUT  
REC  
IN  
IN  
IN  
L
L
L
R
R
R
TAPE2  
MONITOR  
CD  
VCR/  
TAPE1  
PHONO  
DVD/  
LD  
SIGNAL GND  
LINE  
REC  
PLAY  
OUT PUT  
L
L
R
REC  
PLAY  
R
INPUT OUTPUT  
CD  
Turntable  
Cassette Deck  
CD Player  
Connecting a Turntable  
Connect a turntable with a magnetic cartridge only. Some older turntables use a  
ceramic-type cartridge that does not work with this system.  
Note: Use shielded audio cables with  
phono connectors for all audio connec-  
tions.  
L
R
Connect the turntable’s left and right cables to the receiver’s (left) and (right)  
PHONO IN  
SIG-  
jacks. Then connect the turntable’s ground wire to the receiver’s  
terminal.  
NAL GND  
Connecting a CD Player  
To connect a CD player to the receiver, connect the CD player’s left and right  
L
R CD IN  
jacks.  
output jacks to the receiver’s and  
Connecting Cassette Decks  
VCR/TAPE 1  
TAPE 2 MONITOR  
jacks.  
You can connect cassette decks to the  
and  
Note: If you place the cassette deck di-  
rectly above, below, or to the left of the  
receiver, the receiver could interfere with  
the cassette deck’s operation. If possi-  
ble, position the cassette deck to the  
right or away from the receiver.  
VCR/TAPE 1 IN PLAY  
TAPE 2  
or  
Connect the cassette deck’s output jacks to the  
MONITOR IN PLAY  
VCR/  
jacks, and connect the cassette deck’s input jacks to the  
TAPE 2 MONITOR OUT REC  
jacks.  
TAPE 1 OUT REC  
or  
DVD/LD IN  
You can connect a third cassette deck (for playback only) to the  
(audio) jacks.  
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9
Preparing Your Receiver  
VIDEO  
OUT  
TO MONITOR TV  
VIDEO  
OUT  
CONTROL  
SUB  
WOOFER  
OUT  
VIDEO  
IN  
VIDEO  
IN  
PRE  
OUT  
IN  
PLAY  
OUT  
REC  
IN  
PLAY  
OUT  
REC  
IN  
IN  
IN  
L
R
L
R
TAPE2  
MONITOR  
CD  
VCR/  
TAPE1  
PHONO  
DVD/  
LD  
SIGNAL GND  
AUDIO  
VIDEO  
AUDIO  
OUT  
VIDEO  
OUT  
REC  
PLAY  
VIDEO  
IN  
OUT  
IN  
L
L
R
R
REC  
PLAY  
INPUT OUTPUT  
VCR  
TV Monitor  
DVD/LD Player  
VCR  
Connecting Video Sources  
If you connect two video sources, such as VCRs, laser disc (LD) players, or dig-  
ital video disc (DVD) players to your receiver, you can use the receiver to select  
each video source. You can also use the receiver to easily record from these  
video sources to the source connected to VCR/TAPE 1.  
Note: If your VCR is monaural, use a Y-  
adapter (available at your local Ra-  
dioShack store) to connect the VCR’s  
audio output to both the L and R audio in-  
puts on the receiver.  
Connect phono cables from each video source’s audio outputs to the receiver’s  
VCR/TAPE 1 IN PLAY or DVD/LD IN jacks. Then connect phono cables from the  
receiver’s VCR/TAPE 1 OUT REC jacks to the source’s audio input jacks.  
Connect video cables from each video source’s video outputs to the receiver’s  
VCR/TAPE 1 or DVD/LD VIDEO IN jacks. Then connect video cables from the  
receiver’s VCR/TAPE 1 VIDEO OUT jack to the source’s video input.  
Connecting a Video Monitor  
The monitor (or TV with baseband video input) you connect to the VIDEO OUT ter-  
minal can monitor any program you connect to the receiver’s VCR/TAPE 1 IN PLAY  
or DVD/LD IN jacks. Connect a video cable from the receiver’s VIDEO OUT TO MONI-  
TOR TV jack to the monitor’s video input.  
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10  
Preparing Your Receiver  
VIDEO  
OUT  
TO MONITOR TV  
VIDEO  
OUT  
CONTROL  
SUB  
WOOFER  
OUT  
VIDEO  
IN  
VIDEO  
IN  
PRE  
OUT  
IN  
PLAY  
OUT  
REC  
IN  
PLAY  
OUT  
REC  
IN  
IN  
IN  
L
R
L
R
TAPE2  
MONITOR  
CD  
VCR/  
TAPE1  
PHONO  
DVD/  
LD  
SIGNAL GND  
AUDIO  
VIDEO  
AUDIO  
OUT  
VIDEO  
OUT  
REC  
PLAY  
VIDEO  
IN  
OUT  
IN  
L
L
R
R
REC  
PLAY  
INPUT OUTPUT  
VCR  
TV Monitor  
DVD/LD Player  
VCR  
Connecting Video Sources  
If you connect two video sources, such as VCRs, laser disc (LD) players, or dig-  
ital video disc (DVD) players to your receiver, you can use the receiver to select  
each video source. You can also use the receiver to easily record from these  
video sources to the source connected to VCR/TAPE 1.  
Note: If your VCR is monaural, use a Y-  
adapter (available at your local Ra-  
dioShack store) to connect the VCR’s  
audio output to both the L and R audio in-  
puts on the receiver.  
Connect phono cables from each video source’s audio outputs to the receiver’s  
VCR/TAPE 1 IN PLAY or DVD/LD IN jacks. Then connect phono cables from the  
receiver’s VCR/TAPE 1 OUT REC jacks to the source’s audio input jacks.  
Connect video cables from each video source’s video outputs to the receiver’s  
VCR/TAPE 1 or DVD/LD VIDEO IN jacks. Then connect video cables from the  
receiver’s VCR/TAPE 1 VIDEO OUT jack to the source’s video input.  
Connecting a Video Monitor  
The monitor (or TV with baseband video input) you connect to the VIDEO OUT ter-  
minal can monitor any program you connect to the receiver’s VCR/TAPE 1 IN PLAY  
or DVD/LD IN jacks. Connect a video cable from the receiver’s VIDEO OUT TO MONI-  
TOR TV jack to the monitor’s video input.  
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10  
Preparing Your Receiver  
In many areas, the supplied indoor AM loop and FM antennas provide satisfac-  
tory reception.  
Connecting the Antennas  
AM Antennas  
Assemble the supplied AM antenna’s base by swinging the base in the direction  
of the arrow and inserting the antenna’s bottom tabs into the base’s slot. If the  
receiver is in a rack or on a shelf and there is no room for the AM loop antenna,  
use two screws (not supplied) to mount the base on the wall or another location  
as shown.  
AM LOOP ANTENNA  
Attach the antenna wires to the  
(upper two terminals).  
and (ground) terminals  
Place the antenna on a flat surface and rotate it for the best AM reception.  
Notes:  
• Keep the AM loop antenna connected even when you use another indoor  
antenna or an outdoor AM antenna.  
LOOP  
ANTENNA  
• Ensure that the antenna does not touch the receiver or any other metal  
object.  
AM  
ANTENN  
AM Loop  
Antenna  
• Do not place the antenna near a CD player, a personal computer, or a TV  
set.  
FM  
UNBAL  
75  
• If the wire between your AM loop antenna and receiver is too short, you  
can add extra wire, available at your local RadioShack store.  
Outdoor AM Antenna  
You can also use a RadioShack shortwave antenna kit (Cat. No. 278-758),  
which makes an excellent outdoor AM antenna. Connect the outdoor AM  
antenna wire to the receiver’s AM terminal, as shown.  
LOOP  
ANTENNA  
AM  
ANTENN  
AM Loop  
Antenna  
FM  
UNBAL  
75  
FM Antennas  
FM UNBAL 75  
Connect the supplied FM antenna to the  
extend it.  
terminal as shown, then  
Note: For the best results, use 75-ohm  
coaxial cable to connect an outdoor an-  
tenna to the receiver.  
For better FM reception, you can also use a rabbit-ear TV antenna (for indoor  
use only). To connect the TV antenna to the receiver, you need a VHF/UHF/FM  
splitter (not included). RadioShack stores carry a full line of quality antennas  
and antenna connection accessories.  
LOOP  
ANTENNA  
AM  
ANTENN  
FM  
UNBAL  
75  
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11  
Preparing Your Receiver  
In many areas, the supplied indoor AM loop and FM antennas provide satisfac-  
tory reception.  
Connecting the Antennas  
AM Antennas  
Assemble the supplied AM antenna’s base by swinging the base in the direction  
of the arrow and inserting the antenna’s bottom tabs into the base’s slot. If the  
receiver is in a rack or on a shelf and there is no room for the AM loop antenna,  
use two screws (not supplied) to mount the base on the wall or another location  
as shown.  
AM LOOP ANTENNA  
Attach the antenna wires to the  
(upper two terminals).  
and (ground) terminals  
Place the antenna on a flat surface and rotate it for the best AM reception.  
Notes:  
• Keep the AM loop antenna connected even when you use another indoor  
antenna or an outdoor AM antenna.  
LOOP  
ANTENNA  
• Ensure that the antenna does not touch the receiver or any other metal  
object.  
AM  
ANTENN  
AM Loop  
Antenna  
• Do not place the antenna near a CD player, a personal computer, or a TV  
set.  
FM  
UNBAL  
75  
• If the wire between your AM loop antenna and receiver is too short, you  
can add extra wire, available at your local RadioShack store.  
Outdoor AM Antenna  
You can also use a RadioShack shortwave antenna kit (Cat. No. 278-758),  
which makes an excellent outdoor AM antenna. Connect the outdoor AM  
antenna wire to the receiver’s AM terminal, as shown.  
LOOP  
ANTENNA  
AM  
ANTENN  
AM Loop  
Antenna  
FM  
UNBAL  
75  
FM Antennas  
FM UNBAL 75  
Connect the supplied FM antenna to the  
extend it.  
terminal as shown, then  
Note: For the best results, use 75-ohm  
coaxial cable to connect an outdoor an-  
tenna to the receiver.  
For better FM reception, you can also use a rabbit-ear TV antenna (for indoor  
use only). To connect the TV antenna to the receiver, you need a VHF/UHF/FM  
splitter (not included). RadioShack stores carry a full line of quality antennas  
and antenna connection accessories.  
LOOP  
ANTENNA  
AM  
ANTENN  
FM  
UNBAL  
75  
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11  
Preparing Your Receiver  
For the best radio reception, use an outdoor antenna. Follow these steps to  
connect an outdoor FM antenna to the receiver using 75coaxial cable.  
Warning: To prevent injury, read and fol-  
low all cautions and warnings that ac-  
company the outdoor antenna.  
Note: If your antenna has 300twin-lead cable, consult your local RadioShack  
store for the correct adapter.  
1. Disconnect the supplied FM antenna from the receiver’s FM UNBAL 75Ω  
terminal.  
2. With a stripping tool, remove about 11/2 inches of the outdoor antenna  
cable’s outer insulation to expose the cable’s shielding.  
3. Fold back the shielding from the inner insulation.  
4. Remove about 1 inch of the inner insulation from around the center wire.  
Inner Insulation  
Center Wire  
Outer Insulation  
Shielding  
5. Pull the shielding to one side. Connect the center wire to the receiver’s FM  
UNBAL 75terminal. Twist the shielding to secure any loose wire strands,  
and connect it to the FM UNBAL 75terminal.  
Caution: The cable’s shielding should  
only touch the terminal.  
Outdoor FM Antenna  
LOOP  
ANTENNA  
AM  
ANTENN  
Shielding  
FM  
UNBAL  
75  
Center  
Wire  
Note: Grounding is not necessary for reception, but we recommend it for better  
FM reception and to avoid damage from lightning when you use an outdoor FM  
antenna. Use a separate piece of thick polyvinyl insulated wire to connect the  
terminal to the building’s power service grounding electrode system.  
Warning: Never connect a wire to a gas pipe for grounding since sparks might  
ignite the gas.  
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12  
Preparing Your Receiver  
For the best radio reception, use an outdoor antenna. Follow these steps to  
connect an outdoor FM antenna to the receiver using 75coaxial cable.  
Warning: To prevent injury, read and fol-  
low all cautions and warnings that ac-  
company the outdoor antenna.  
Note: If your antenna has 300twin-lead cable, consult your local RadioShack  
store for the correct adapter.  
1. Disconnect the supplied FM antenna from the receiver’s FM UNBAL 75Ω  
terminal.  
2. With a stripping tool, remove about 11/2 inches of the outdoor antenna  
cable’s outer insulation to expose the cable’s shielding.  
3. Fold back the shielding from the inner insulation.  
4. Remove about 1 inch of the inner insulation from around the center wire.  
Inner Insulation  
Center Wire  
Outer Insulation  
Shielding  
5. Pull the shielding to one side. Connect the center wire to the receiver’s FM  
UNBAL 75terminal. Twist the shielding to secure any loose wire strands,  
and connect it to the FM UNBAL 75terminal.  
Caution: The cable’s shielding should  
only touch the terminal.  
Outdoor FM Antenna  
LOOP  
ANTENNA  
AM  
ANTENN  
Shielding  
FM  
UNBAL  
75  
Center  
Wire  
Note: Grounding is not necessary for reception, but we recommend it for better  
FM reception and to avoid damage from lightning when you use an outdoor FM  
antenna. Use a separate piece of thick polyvinyl insulated wire to connect the  
terminal to the building’s power service grounding electrode system.  
Warning: Never connect a wire to a gas pipe for grounding since sparks might  
ignite the gas.  
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12  
Preparing Your Receiver  
If you also have an Optimus professional series CD player, VCR, or cassette  
Using One Remote Control  
for More than One Unit  
CONTROL IN  
deck with the OSR mark ( ), you can connect its  
jack to the  
receiver so you can control all of your equipment with a single remote control.  
You can also use the other component’s remote control by pointing it at the  
receiver’s front panel.  
Note: When you plug the cable into a  
CONTROL IN  
component’s  
jack, that com-  
1. Connect each component to the receiver as shown in “Connecting Pro-  
gram Sources” on Page 9.  
ponent’s remote sensor does not func-  
tion.  
Note: You must connect the audio cables between the receiver and the  
other audio accessory to use your receiver’s remote control to control the  
accessory.  
CONTROL  
CONTROL  
OUT  
IN  
OUT  
2. Connect the cable supplied with the CD player, VCR, or cassette deck to  
CONTROL OUT  
CONTROL IN  
jack and the other component’s  
the receiver’s  
jack.  
3. When you want to control more than one other component using the  
Other Component  
with OSR Mark  
Receiver  
CONTROL OUT  
CONTROL IN  
and  
receiver’s remote control, daisy-chain the  
connections as shown.  
To the CONTROL IN Jack  
of Another Component  
Having the OSR Mark  
Remote  
Control  
The remote control uses two AA batteries (not included). For the longest battery  
life, we recommend alkaline batteries (such as RadioShack Cat. No. 23-557).  
Installing the  
Remote Control’s Batteries  
1. Press and slide open the battery compartment cover.  
Cautions:  
2. Place two fresh AA batteries in the compartment as indicated by the  
polarity symbols (+ and –) marked in the compartment.  
• Use only fresh batteries of the required  
size and recommended type.  
• Always remove old or weak batteries.  
Batteries can leak chemicals that can  
damage electronic circuits.  
3. Replace the battery compartment cover.  
Note: If the remote’s range is reduced,  
replace the batteries.  
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13  
Preparing Your Receiver  
If you also have an Optimus professional series CD player, VCR, or cassette  
Using One Remote Control  
for More than One Unit  
CONTROL IN  
deck with the OSR mark ( ), you can connect its  
jack to the  
receiver so you can control all of your equipment with a single remote control.  
You can also use the other component’s remote control by pointing it at the  
receiver’s front panel.  
Note: When you plug the cable into a  
CONTROL IN  
component’s  
jack, that com-  
1. Connect each component to the receiver as shown in “Connecting Pro-  
gram Sources” on Page 9.  
ponent’s remote sensor does not func-  
tion.  
Note: You must connect the audio cables between the receiver and the  
other audio accessory to use your receiver’s remote control to control the  
accessory.  
CONTROL  
CONTROL  
OUT  
IN  
OUT  
2. Connect the cable supplied with the CD player, VCR, or cassette deck to  
CONTROL OUT  
CONTROL IN  
jack and the other component’s  
the receiver’s  
jack.  
3. When you want to control more than one other component using the  
Other Component  
with OSR Mark  
Receiver  
CONTROL OUT  
CONTROL IN  
and  
receiver’s remote control, daisy-chain the  
connections as shown.  
To the CONTROL IN Jack  
of Another Component  
Having the OSR Mark  
Remote  
Control  
The remote control uses two AA batteries (not included). For the longest battery  
life, we recommend alkaline batteries (such as RadioShack Cat. No. 23-557).  
Installing the  
Remote Control’s Batteries  
1. Press and slide open the battery compartment cover.  
Cautions:  
2. Place two fresh AA batteries in the compartment as indicated by the  
polarity symbols (+ and –) marked in the compartment.  
• Use only fresh batteries of the required  
size and recommended type.  
• Always remove old or weak batteries.  
Batteries can leak chemicals that can  
damage electronic circuits.  
3. Replace the battery compartment cover.  
Note: If the remote’s range is reduced,  
replace the batteries.  
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13  
Preparing Your Receiver  
Using the AC Power Outlet  
Your receiver has an AC power outlet that you can use to power an electronic  
device, such as a turntable, cassette deck, VCR, and so on. This switched out-  
let turns on and off with the receiver and provides a maximum of 100 Watts.  
Caution: Do not connect appliances with  
high power consumption, such as a  
heater, iron, monitor, or TV, to this AC  
outlet. Doing so can cause a risk of over-  
heating and fire, and could damage the  
receiver.  
B
F
CAUTION: SPEAKER IMPEDANCE  
~ 16 / SPEAKER  
8
AC OUTLT  
AC 120V 60Hz  
CAUTION:  
DO NOT CONNECT  
TV SET OR MONITOR.  
SWITCHED  
100W MAX  
0.8A MAX  
SURROUND  
SPEAKERS  
Before you plug in the receiver’s power cord, double check all other connec-  
tions.  
Connecting to AC Power  
To power the receiver, plug the supplied power cord into a standard AC outlet.  
The power cord’s plug is polarized and fits only one way.  
Warning: To prevent electric shock, do  
not use this polarized plug with an exten-  
sion cord, receptacle, or other outlet un-  
less you can fully insert the blades to  
prevent blade exposure.  
CAUTION: SPEAKER IMPEDANCE  
~ 16 / SPEAKER  
8
AC OUTLT  
AC 120V 60Hz  
CAUTION:  
DO NOT CONNECT  
TV SET OR MONITOR.  
SWITCHED  
100W MAX  
0.8A MAX  
SURROUND  
SPEAKERS  
S
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14  
Preparing Your Receiver  
Using the AC Power Outlet  
Your receiver has an AC power outlet that you can use to power an electronic  
device, such as a turntable, cassette deck, VCR, and so on. This switched out-  
let turns on and off with the receiver and provides a maximum of 100 Watts.  
Caution: Do not connect appliances with  
high power consumption, such as a  
heater, iron, monitor, or TV, to this AC  
outlet. Doing so can cause a risk of over-  
heating and fire, and could damage the  
receiver.  
B
F
CAUTION: SPEAKER IMPEDANCE  
~ 16 / SPEAKER  
8
AC OUTLT  
AC 120V 60Hz  
CAUTION:  
DO NOT CONNECT  
TV SET OR MONITOR.  
SWITCHED  
100W MAX  
0.8A MAX  
SURROUND  
SPEAKERS  
Before you plug in the receiver’s power cord, double check all other connec-  
tions.  
Connecting to AC Power  
To power the receiver, plug the supplied power cord into a standard AC outlet.  
The power cord’s plug is polarized and fits only one way.  
Warning: To prevent electric shock, do  
not use this polarized plug with an exten-  
sion cord, receptacle, or other outlet un-  
less you can fully insert the blades to  
prevent blade exposure.  
CAUTION: SPEAKER IMPEDANCE  
~ 16 / SPEAKER  
8
AC OUTLT  
AC 120V 60Hz  
CAUTION:  
DO NOT CONNECT  
TV SET OR MONITOR.  
SWITCHED  
100W MAX  
0.8A MAX  
SURROUND  
SPEAKERS  
S
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14  
Basic Operation  
The controls on the remote control work the same as the buttons on the  
receiver’s front panel, though some are labeled differently.  
Warning: To prevent possible hearing  
loss, turn VOLUME to MIN before you turn  
on the receiver or change the program  
sources. After you turn on the receiver or  
change the program source, adjust VOL-  
UME to a comfortable listening level.  
Follow these steps to use the receiver.  
1. Press POWER to turn on the receiver’s power. It takes about 5 seconds to  
begin hearing sound.  
2. Press SPEAKER on the left front of the receiver (if necessary) so SP A  
appears on the upper left portion of the display.  
3. Select a program source.  
To tune to a radio station, see “Tuning the Radio” on Page 16.  
To listen to signals from the component connected to TAPE 2 MONITOR,  
press TAPE 2 MONITOR so TAPE2appears on the display.  
Note: If you select a source while TAPE 2  
MONITOR is engaged, TAPE 2 flashes  
five times on the display, reminding you  
to disengage the TAPE 2 MONITOR func-  
tion.  
To listen to a source other than one connected to TAPE 2 MONITOR, be sure  
TAPE2does not show on the display. If necessary, press TAPE 2 MONITOR  
so TAPE2disappears. Then press VCR/TAPE 1, DVD/LD (digital video disc/  
laser disc), CD, AM/FM (tuner), or PHONO, or repeatedly press FUNC on the  
remote control, to display the desired program source.  
4. Adjust VOLUME clockwise to increase the volume or counterclockwise to  
decrease it. Or, you can use MASTER VOLUME –/+ on the remote control.  
5. Adjust the bass, treble, or balance to suit your listening preference.  
Repeatedly press TONE/BALANCE on the front of the receiver until the item  
you want to adjust appears on the display — TREB., BASS, or BAL-  
ANCE. Then press DOWN/LEFT or UP/RIGHT until you get the desired sound.  
For more detail on adjusting the sound balance, see “Adjusting Balance”  
on Page 17.  
6. When you finish using the receiver, press POWER to turn it off.  
Note: To find out what a particular button  
or control is used for, see Page 24 (for  
the remote control) or Page 31 (for the  
front panel) to find the page where the  
button or control is described.  
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15  
Basic Operation  
The controls on the remote control work the same as the buttons on the  
receiver’s front panel, though some are labeled differently.  
Warning: To prevent possible hearing  
loss, turn VOLUME to MIN before you turn  
on the receiver or change the program  
sources. After you turn on the receiver or  
change the program source, adjust VOL-  
UME to a comfortable listening level.  
Follow these steps to use the receiver.  
1. Press POWER to turn on the receiver’s power. It takes about 5 seconds to  
begin hearing sound.  
2. Press SPEAKER on the left front of the receiver (if necessary) so SP A  
appears on the upper left portion of the display.  
3. Select a program source.  
To tune to a radio station, see “Tuning the Radio” on Page 16.  
To listen to signals from the component connected to TAPE 2 MONITOR,  
press TAPE 2 MONITOR so TAPE2appears on the display.  
Note: If you select a source while TAPE 2  
MONITOR is engaged, TAPE 2 flashes  
five times on the display, reminding you  
to disengage the TAPE 2 MONITOR func-  
tion.  
To listen to a source other than one connected to TAPE 2 MONITOR, be sure  
TAPE2does not show on the display. If necessary, press TAPE 2 MONITOR  
so TAPE2disappears. Then press VCR/TAPE 1, DVD/LD (digital video disc/  
laser disc), CD, AM/FM (tuner), or PHONO, or repeatedly press FUNC on the  
remote control, to display the desired program source.  
4. Adjust VOLUME clockwise to increase the volume or counterclockwise to  
decrease it. Or, you can use MASTER VOLUME –/+ on the remote control.  
5. Adjust the bass, treble, or balance to suit your listening preference.  
Repeatedly press TONE/BALANCE on the front of the receiver until the item  
you want to adjust appears on the display — TREB., BASS, or BAL-  
ANCE. Then press DOWN/LEFT or UP/RIGHT until you get the desired sound.  
For more detail on adjusting the sound balance, see “Adjusting Balance”  
on Page 17.  
6. When you finish using the receiver, press POWER to turn it off.  
Note: To find out what a particular button  
or control is used for, see Page 24 (for  
the remote control) or Page 31 (for the  
front panel) to find the page where the  
button or control is described.  
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15  
Basic Operation  
Tuning the Radio  
Your receiver has four types of electronic tuning — manual, automatic, direct  
access, and memory.  
Manual and Automatic Tuning  
Note: For weak signals, we recommend  
manual tuning.  
Follow these steps to manually or automatically tune to stations.  
Hint: If none of the tuning buttons on the remote control operate, press TUNER  
first.  
FM/AM BAND  
1. Press  
(
on the remote control) to select the tuner. Then press  
FM/AM BAND  
(
) again to select the desired band. The receiver tunes to and  
displays the frequency last selected in that band.  
If A, B, or Cand a single digit number appear to the left of the station fre-  
SELECT BAND  
quency, press  
(
on the remote control) so the band name (AM  
or FM) appears.  
TUNING  
2. To manually select the next lower or higher frequency, press  
(
FREQ  
on the remote control) once to manually select the next lower or  
higher frequency. Or, hold down the button to rapidly change frequencies,  
and release it.  
To automatically search for the next lower or higher station, hold down  
TUNING  
FREQ  
(
on the remote control) until the display starts to  
change, then release it. The receiver searches down or up the band to the  
next strong station.  
Notes:  
TUNEDappears when you receive a strong signal.  
TUNING  
TUNING  
If you press  
at the top of the frequency range or  
at  
the bottom of the frequency range, the display returns to the other  
end of the range.  
Direct Access Tuning (Remote Control Only)  
Follow these steps to directly enter a frequency.  
FM/AM BAND  
1. Press  
(
on the remote control) to select the tuner. Then press  
FM/AM BAND  
(
) again to select the desired band. The receiver tunes to and  
displays the frequency last selected in that band.  
DIRECT ACCESS  
2. Press  
. __ __ __ __appears on the display  
with the first __flashing.  
3. Enter the desired frequency using the number buttons.  
Notes:  
• If you enter an invalid frequency (for example, entering 828), the receiver  
tunes to the closest valid frequency (830 kHz).  
• If you do not press a key within 5 seconds, the receiver exits direct access  
tuning. Start over at Step2.  
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16  
Basic Operation  
Tuning the Radio  
Your receiver has four types of electronic tuning — manual, automatic, direct  
access, and memory.  
Manual and Automatic Tuning  
Note: For weak signals, we recommend  
manual tuning.  
Follow these steps to manually or automatically tune to stations.  
Hint: If none of the tuning buttons on the remote control operate, press TUNER  
first.  
FM/AM BAND  
1. Press  
(
on the remote control) to select the tuner. Then press  
FM/AM BAND  
(
) again to select the desired band. The receiver tunes to and  
displays the frequency last selected in that band.  
If A, B, or Cand a single digit number appear to the left of the station fre-  
SELECT BAND  
quency, press  
(
on the remote control) so the band name (AM  
or FM) appears.  
TUNING  
2. To manually select the next lower or higher frequency, press  
(
FREQ  
on the remote control) once to manually select the next lower or  
higher frequency. Or, hold down the button to rapidly change frequencies,  
and release it.  
To automatically search for the next lower or higher station, hold down  
TUNING  
FREQ  
(
on the remote control) until the display starts to  
change, then release it. The receiver searches down or up the band to the  
next strong station.  
Notes:  
TUNEDappears when you receive a strong signal.  
TUNING  
TUNING  
If you press  
at the top of the frequency range or  
at  
the bottom of the frequency range, the display returns to the other  
end of the range.  
Direct Access Tuning (Remote Control Only)  
Follow these steps to directly enter a frequency.  
FM/AM BAND  
1. Press  
(
on the remote control) to select the tuner. Then press  
FM/AM BAND  
(
) again to select the desired band. The receiver tunes to and  
displays the frequency last selected in that band.  
DIRECT ACCESS  
2. Press  
. __ __ __ __appears on the display  
with the first __flashing.  
3. Enter the desired frequency using the number buttons.  
Notes:  
• If you enter an invalid frequency (for example, entering 828), the receiver  
tunes to the closest valid frequency (830 kHz).  
• If you do not press a key within 5 seconds, the receiver exits direct access  
tuning. Start over at Step2.  
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16  
Basic Operation  
Memory Tuning  
Memory tuning lets you store up to 30 AM or FM frequencies in three different  
classes (10 frequencies in each class), then quickly tune to a class and station.  
Note: A class is a group of up to 10 sta-  
tion frequencies.  
Follow these steps to store a station in a memory location using the front panel  
controls. (You cannot store a station in a memory using the remote control)  
1. Press FM/AM to select the tuner, then press FM/AM again to select the  
desired band.  
2. Tune to the frequency you want to store.  
Notes:  
• If you store a frequency in a memory  
that already contains a frequency, you  
replace the previous frequency.  
If desired, press FM MONO for FM stereo or monaural sound (see “Using  
FM MONO”). This setting is also stored in memory.  
__  
3. Press MEMORY. The class (A, B, or C) and  
(for the channel number)  
• If your receiver is disconnected from  
AC power for several days, it loses all  
the stored frequencies.  
flash on the display for about 5 seconds.  
4. Press CLASS until the class you want (A, B, or C) appears, then press STA-  
TION or until the channel number you want appears.  
In about five seconds, the class and channel number light steadily, indi-  
cating the receiver stored the frequency.  
To tune to a stored station, press CLASS so the desired class number appears,  
then repeatedly press STATION or to select the channel. Or, you can directly  
enter the channel number using that number’s key on the remote control.  
To receive FM stations in stereo, press FM MONO so MONOdisappears from the  
display. STEREOappears when you receive an FM broadcast in stereo.  
Using FM MONO  
You can improve the reception of weak FM stations by pressing FM MONO until  
MONOappears. This reduces noise while you listen to a weak FM station, but  
you get monaural instead of stereo sound.  
The TONE/BALANCE control lets you adjust the sound balance between the left  
and right speakers. If you properly position the speakers and your listening area  
is centered between them, the center control setting is usually best (see “Posi-  
tioning Speakers” on Page 5).  
Adjusting Balance  
For an unusual speaker placement, adjust the speaker balance as follows:  
1. Press FM/AM to select the tuner, then press FM/AM again to select the FM  
band.  
2. Press FM MONO so MONOappears. The sound is monaural instead of ste-  
reo, so each speaker delivers the same output.  
3. Repeatedly press TONE/BALANCE on the front of the receiver until BAL-  
ANCEappears. Then press DOWN/LEFT or UP/RIGHT until you hear the  
sound coming equally from each speaker when you are in the listening  
area.  
4. Press FM MONO so MONOdisappears from the display.  
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17  
Basic Operation  
Memory Tuning  
Memory tuning lets you store up to 30 AM or FM frequencies in three different  
classes (10 frequencies in each class), then quickly tune to a class and station.  
Note: A class is a group of up to 10 sta-  
tion frequencies.  
Follow these steps to store a station in a memory location using the front panel  
controls. (You cannot store a station in a memory using the remote control)  
1. Press FM/AM to select the tuner, then press FM/AM again to select the  
desired band.  
2. Tune to the frequency you want to store.  
Notes:  
• If you store a frequency in a memory  
that already contains a frequency, you  
replace the previous frequency.  
If desired, press FM MONO for FM stereo or monaural sound (see “Using  
FM MONO”). This setting is also stored in memory.  
__  
3. Press MEMORY. The class (A, B, or C) and  
(for the channel number)  
• If your receiver is disconnected from  
AC power for several days, it loses all  
the stored frequencies.  
flash on the display for about 5 seconds.  
4. Press CLASS until the class you want (A, B, or C) appears, then press STA-  
TION or until the channel number you want appears.  
In about five seconds, the class and channel number light steadily, indi-  
cating the receiver stored the frequency.  
To tune to a stored station, press CLASS so the desired class number appears,  
then repeatedly press STATION or to select the channel. Or, you can directly  
enter the channel number using that number’s key on the remote control.  
To receive FM stations in stereo, press FM MONO so MONOdisappears from the  
display. STEREOappears when you receive an FM broadcast in stereo.  
Using FM MONO  
You can improve the reception of weak FM stations by pressing FM MONO until  
MONOappears. This reduces noise while you listen to a weak FM station, but  
you get monaural instead of stereo sound.  
The TONE/BALANCE control lets you adjust the sound balance between the left  
and right speakers. If you properly position the speakers and your listening area  
is centered between them, the center control setting is usually best (see “Posi-  
tioning Speakers” on Page 5).  
Adjusting Balance  
For an unusual speaker placement, adjust the speaker balance as follows:  
1. Press FM/AM to select the tuner, then press FM/AM again to select the FM  
band.  
2. Press FM MONO so MONOappears. The sound is monaural instead of ste-  
reo, so each speaker delivers the same output.  
3. Repeatedly press TONE/BALANCE on the front of the receiver until BAL-  
ANCEappears. Then press DOWN/LEFT or UP/RIGHT until you hear the  
sound coming equally from each speaker when you are in the listening  
area.  
4. Press FM MONO so MONOdisappears from the display.  
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17  
Basic Operation  
1
To listen with headphones (not supplied), insert the headphones’ /4-inch plug  
Using Headphones  
PHONES  
into the receiver’s front panel  
jack. To silence the speakers and listen  
SPEAKER  
with headphones without disturbing others, press  
appears on the display.  
so only SP  
Listening Safely  
To protect your hearing, note the following when using headphones.  
• Set the volume to its lowest setting before you begin listening. After you  
begin listening, adjust the volume to a comfortable level.  
• Do not listen at extremely high volume levels. Extended high-  
volume listening can lead to permanent hearing loss.  
• Once you set the volume, do not increase it. Over time, your ears adapt to  
the volume level, so a volume level that does not cause discomfort might  
still damage your hearing.  
MUTING  
To temporarily mute the sound, press  
on the remote control. --MUT-  
Muting the Receiver  
Loudness Control  
MUTING  
ING--appears. Press  
again to restore the audio level.  
To increase the high and low ranges of sounds for improved audio at a low lis-  
LOUDNESS  
LOUD  
tening level, press  
appears. Press  
(or  
on the remote control) so LOUDNESS  
LOUDNESS  
LOUD  
) again to turn off this feature.  
(or  
BASS TREBLE BALANCE  
, or any spe-  
cial sound options) so you can hear the audio at its original tonal quality (for  
To bypass your receiver’s sound controls (  
,
,
Bypassing the Sound  
Controls (Remote Control  
Only)  
DIRECT  
example), press  
on the remote control so DIRECTappears. Press  
DIRECT  
again to turn off this feature.  
Note: When you turn off the bypass feature, you will have to reselect any  
desired special sound options (see “Using Advanced Sound Options” on  
Page 21).  
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18  
Basic Operation  
1
To listen with headphones (not supplied), insert the headphones’ /4-inch plug  
Using Headphones  
PHONES  
into the receiver’s front panel  
jack. To silence the speakers and listen  
SPEAKER  
with headphones without disturbing others, press  
appears on the display.  
so only SP  
Listening Safely  
To protect your hearing, note the following when using headphones.  
• Set the volume to its lowest setting before you begin listening. After you  
begin listening, adjust the volume to a comfortable level.  
• Do not listen at extremely high volume levels. Extended high-  
volume listening can lead to permanent hearing loss.  
• Once you set the volume, do not increase it. Over time, your ears adapt to  
the volume level, so a volume level that does not cause discomfort might  
still damage your hearing.  
MUTING  
To temporarily mute the sound, press  
on the remote control. --MUT-  
Muting the Receiver  
Loudness Control  
MUTING  
ING--appears. Press  
again to restore the audio level.  
To increase the high and low ranges of sounds for improved audio at a low lis-  
LOUDNESS  
LOUD  
tening level, press  
appears. Press  
(or  
on the remote control) so LOUDNESS  
LOUDNESS  
LOUD  
) again to turn off this feature.  
(or  
BASS TREBLE BALANCE  
, or any spe-  
cial sound options) so you can hear the audio at its original tonal quality (for  
To bypass your receiver’s sound controls (  
,
,
Bypassing the Sound  
Controls (Remote Control  
Only)  
DIRECT  
example), press  
on the remote control so DIRECTappears. Press  
DIRECT  
again to turn off this feature.  
Note: When you turn off the bypass feature, you will have to reselect any  
desired special sound options (see “Using Advanced Sound Options” on  
Page 21).  
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18  
Cassette Deck/VCR Features  
You can connect two cassette decks to the receiver. Selecting either VCR/TAPE 1  
or TAPE 2 MONITOR lets you hear the playback from the cassette deck you con-  
nected to the receiver’s corresponding (VCR/TAPE 1or TAPE 2 MONITOR) jacks.  
Press VCR/TAPE 1. VCRappears on the display. You hear the playback from the  
cassette deck or VCR you connected to the receiver’s VCR/TAPE 1 IN jacks.  
Using the VCR/TAPE 1 and  
TAPE 2 MONITOR Buttons  
Press TAPE 2 MONITOR. TAPE 2appears on the display along with the last pro-  
gram source you selected. You can hear playback or monitor a recording from  
the cassette deck you connected to the receiver’s TAPE 2 MONITOR jacks. The  
TAPE 2 MONITOR REC jacks continue to output sound from the previously selected  
source after you press TAPE 2 MONITOR.  
To return to the previous source, press TAPE 2 MONITOR again so TAPE2disap-  
pears.  
Notes:  
• If you press TAPE 2 MONITOR when that cassette deck is neither playing nor  
recording, the receiver mutes the current audio source. To hear the audio  
source, press TAPE 2 MONITOR so TAPE2disappears from the display.  
• Do not press TAPE 2 MONITOR while you are recording on the deck con-  
nected to TAPE 2 MONITOR REC. If you do, the recording is interrupted for  
about 1 second.  
The receiver sends the audio of the program source you selectVCR/TAPE 1,  
DVD/LD, CD, FM/AM (tuner), or PHONOto the VCR/TAPE 1 OUT/REC (audio) and  
TAPE 2 MONITOR OUT/REC jacks. If you select VCR/TAPE 1 or DVD/LD, the video pro-  
gram is also sent to the VIDEO OUT TO MONITOR TV jack.  
Monitoring a  
Program Source  
The VOLUME control does not affect the level of the signal going to the tape  
decks.  
You can copy (dub) a cassette tape from one cassette deck to another through  
the STAV-3770.  
Dubbing a Cassette Tape  
You can use either deck as the playback or recording deck. However, if you  
want to monitor the cassette deck during dubbing, use the deck connected to  
the VCR/TAPE 1 jacks as the source, and the deck you connected to the TAPE 2  
REC jacks as the recording deck. Then press TAPE 2 MONITOR so TAPE2and the  
last program source you selected appear on the display. See “Using the VCR/  
TAPE 1 and TAPE 2 MONITOR Buttons.”  
The VOLUME control does not affect the level of the signal going to the tape  
decks.  
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19  
Cassette Deck/VCR Features  
You can connect two cassette decks to the receiver. Selecting either VCR/TAPE 1  
or TAPE 2 MONITOR lets you hear the playback from the cassette deck you con-  
nected to the receiver’s corresponding (VCR/TAPE 1or TAPE 2 MONITOR) jacks.  
Press VCR/TAPE 1. VCRappears on the display. You hear the playback from the  
cassette deck or VCR you connected to the receiver’s VCR/TAPE 1 IN jacks.  
Using the VCR/TAPE 1 and  
TAPE 2 MONITOR Buttons  
Press TAPE 2 MONITOR. TAPE 2appears on the display along with the last pro-  
gram source you selected. You can hear playback or monitor a recording from  
the cassette deck you connected to the receiver’s TAPE 2 MONITOR jacks. The  
TAPE 2 MONITOR REC jacks continue to output sound from the previously selected  
source after you press TAPE 2 MONITOR.  
To return to the previous source, press TAPE 2 MONITOR again so TAPE2disap-  
pears.  
Notes:  
• If you press TAPE 2 MONITOR when that cassette deck is neither playing nor  
recording, the receiver mutes the current audio source. To hear the audio  
source, press TAPE 2 MONITOR so TAPE2disappears from the display.  
• Do not press TAPE 2 MONITOR while you are recording on the deck con-  
nected to TAPE 2 MONITOR REC. If you do, the recording is interrupted for  
about 1 second.  
The receiver sends the audio of the program source you selectVCR/TAPE 1,  
DVD/LD, CD, FM/AM (tuner), or PHONOto the VCR/TAPE 1 OUT/REC (audio) and  
TAPE 2 MONITOR OUT/REC jacks. If you select VCR/TAPE 1 or DVD/LD, the video pro-  
gram is also sent to the VIDEO OUT TO MONITOR TV jack.  
Monitoring a  
Program Source  
The VOLUME control does not affect the level of the signal going to the tape  
decks.  
You can copy (dub) a cassette tape from one cassette deck to another through  
the STAV-3770.  
Dubbing a Cassette Tape  
You can use either deck as the playback or recording deck. However, if you  
want to monitor the cassette deck during dubbing, use the deck connected to  
the VCR/TAPE 1 jacks as the source, and the deck you connected to the TAPE 2  
REC jacks as the recording deck. Then press TAPE 2 MONITOR so TAPE2and the  
last program source you selected appear on the display. See “Using the VCR/  
TAPE 1 and TAPE 2 MONITOR Buttons.”  
The VOLUME control does not affect the level of the signal going to the tape  
decks.  
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19  
Cassette Deck/VCR Features  
You can connect two video sources to the receiver. If you connect a VCR to the  
Playing and Recording  
Video Tapes  
VCR/TAPE 1  
DVD/LD  
audio and video jacks, you can copy video cassette  
and  
tapes from one VCR to another and monitor the dubbing process.  
Playing a Video Tape  
VCR/TAPE 1  
To play a video tape, load the tape into the VCR connected to either  
DVD/LD  
VCR/TAPE 1  
DVD/LD  
or ) that corresponds to the jack  
or  
. Press the button (  
the VCR is connected to. VCRor DVD/LDappears on the display. Follow the  
VCR’s instructions to begin playback. If you connected a monitor to the  
TO MONITOR TV  
receiver’s  
jack, you can view the program on that monitor.  
Copying a Video Tape  
Follow these steps to copy a video tape from one VCR to another through the  
STAV-3770.  
DVD/LD  
1. Load the tape you want to copy into the VCR connected to  
.
2. Load a blank tape (or one you want to record over) into the VCR con-  
VCR/TAPE 1  
nected to the  
jacks.  
DVD/LD  
3. Press  
.
4. Begin recording and playback on the VCRs.  
Important: Most material performed in public, such as concerts, plays, and  
movies, or distributed on prerecorded video tapes is copyrighted. The unautho-  
rized recording or duplication of copyrighted material is a violation of the copy-  
right laws of most countries and such duplication may result in fines,  
imprisonment, or both. Note, however, that in the United States, it is not a viola-  
tion of U.S. copyright laws for a consumer to record a broadcast television pro-  
gram for private (in-home) viewing.  
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20  
Cassette Deck/VCR Features  
You can connect two video sources to the receiver. If you connect a VCR to the  
Playing and Recording  
Video Tapes  
VCR/TAPE 1  
DVD/LD  
audio and video jacks, you can copy video cassette  
and  
tapes from one VCR to another and monitor the dubbing process.  
Playing a Video Tape  
VCR/TAPE 1  
To play a video tape, load the tape into the VCR connected to either  
DVD/LD  
VCR/TAPE 1  
DVD/LD  
or ) that corresponds to the jack  
or  
. Press the button (  
the VCR is connected to. VCRor DVD/LDappears on the display. Follow the  
VCR’s instructions to begin playback. If you connected a monitor to the  
TO MONITOR TV  
receiver’s  
jack, you can view the program on that monitor.  
Copying a Video Tape  
Follow these steps to copy a video tape from one VCR to another through the  
STAV-3770.  
DVD/LD  
1. Load the tape you want to copy into the VCR connected to  
.
2. Load a blank tape (or one you want to record over) into the VCR con-  
VCR/TAPE 1  
nected to the  
jacks.  
DVD/LD  
3. Press  
.
4. Begin recording and playback on the VCRs.  
Important: Most material performed in public, such as concerts, plays, and  
movies, or distributed on prerecorded video tapes is copyrighted. The unautho-  
rized recording or duplication of copyrighted material is a violation of the copy-  
right laws of most countries and such duplication may result in fines,  
imprisonment, or both. Note, however, that in the United States, it is not a viola-  
tion of U.S. copyright laws for a consumer to record a broadcast television pro-  
gram for private (in-home) viewing.  
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20  
Using Advanced Sound Options  
Your receiver has four special sound options: Dolby Pro Logic Surround, Dolby  
3CH Logic, DSP Effect, and Dolby Virtual. These special options enhance the  
sound from a connected program source.  
Notes:  
To get the full benefit from programs encoded with Dolby Surround  
Sound, you need a stereo VCR or DVD/LD player.  
• Dolby Surround does not operate correctly if the signal passes through a  
graphic equalizer. If you connected an equalizer to the TAPE 2 MONITOR  
jacks, do not select TAPE 2 MONITOR when you listen to Dolby Surround  
signals.  
To turn on Dolby Pro Logic Surround or Dolby 3CH Logic, press PRO LOGIC on  
the remote control until PROLOGIC, THEATER1, or THEATER2appears on  
the display, then press SURROUND followed by CENTER MODE to select NORMAL,  
WIDE, PHANTOM, or 3chLOGIC. See “Sound Mode Adjustments (Remote  
Control Only)” on Page 22 for information about each of these options.  
For Dolby Virtual, press DOLBY VIRTUAL (VIRTUAL on the remote control) to turn  
this feature on or off. To turn on a DSP effect, press DSP MODE until the desired  
option (see below) appears on the display.  
Dolby Pro Logic Surround  
Dolby Pro Logic Surround puts you in the middle of the action. The center- and  
rear-channel speakers add incredible realism by directing the sound to the  
appropriate speakers, making you feel like you are really there. ProLogicis  
the standard.  
Dolby 3CH Logic  
Dolby 3CH Logic produces a more spacious sound field than is possible with  
ordinary stereo playback by sending the rear channel’s sound to the front left  
and right speakers. Select 3chLOGICwhen you play a Dolby Surround Sound  
program and do not have rear speakers.  
Dolby Virtual  
Dolby Virtual lets you enjoy programs encoded with Dolby Surround while using  
only two front speakers.  
DSP Effect  
You can choose one of five DSP effects — HALL, JAZZ, DANCE, THEATER1,  
or THEATER2. Hall simulates a large concert hall, best suited for classical mu-  
sic. Jazz provides the acoustic effects generally heard in jazz clubs. Dance  
gives the effect of a discotheque. Both theater modes provide the effect of a  
movie theater. THEATER 1 sounds like a large movie theater. THEATER 2  
seems like a smaller theater. Try each setting to find the best effect for your pro-  
grams.  
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21  
Using Advanced Sound Options  
Your receiver has four special sound options: Dolby Pro Logic Surround, Dolby  
3CH Logic, DSP Effect, and Dolby Virtual. These special options enhance the  
sound from a connected program source.  
Notes:  
To get the full benefit from programs encoded with Dolby Surround  
Sound, you need a stereo VCR or DVD/LD player.  
• Dolby Surround does not operate correctly if the signal passes through a  
graphic equalizer. If you connected an equalizer to the TAPE 2 MONITOR  
jacks, do not select TAPE 2 MONITOR when you listen to Dolby Surround  
signals.  
To turn on Dolby Pro Logic Surround or Dolby 3CH Logic, press PRO LOGIC on  
the remote control until PROLOGIC, THEATER1, or THEATER2appears on  
the display, then press SURROUND followed by CENTER MODE to select NORMAL,  
WIDE, PHANTOM, or 3chLOGIC. See “Sound Mode Adjustments (Remote  
Control Only)” on Page 22 for information about each of these options.  
For Dolby Virtual, press DOLBY VIRTUAL (VIRTUAL on the remote control) to turn  
this feature on or off. To turn on a DSP effect, press DSP MODE until the desired  
option (see below) appears on the display.  
Dolby Pro Logic Surround  
Dolby Pro Logic Surround puts you in the middle of the action. The center- and  
rear-channel speakers add incredible realism by directing the sound to the  
appropriate speakers, making you feel like you are really there. ProLogicis  
the standard.  
Dolby 3CH Logic  
Dolby 3CH Logic produces a more spacious sound field than is possible with  
ordinary stereo playback by sending the rear channel’s sound to the front left  
and right speakers. Select 3chLOGICwhen you play a Dolby Surround Sound  
program and do not have rear speakers.  
Dolby Virtual  
Dolby Virtual lets you enjoy programs encoded with Dolby Surround while using  
only two front speakers.  
DSP Effect  
You can choose one of five DSP effects — HALL, JAZZ, DANCE, THEATER1,  
or THEATER2. Hall simulates a large concert hall, best suited for classical mu-  
sic. Jazz provides the acoustic effects generally heard in jazz clubs. Dance  
gives the effect of a discotheque. Both theater modes provide the effect of a  
movie theater. THEATER 1 sounds like a large movie theater. THEATER 2  
seems like a smaller theater. Try each setting to find the best effect for your pro-  
grams.  
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21  
Using Advanced Sound Options  
Center Mode Setting  
Sound Mode Adjustments  
(Remote Control Only)  
The center mode setting affects the center channel’s bass signals. It operates  
only when you select the Dolby Pro Logic Surround or Dolby 3CH Logic mode.  
SURROUND  
CENTER MODE  
. Each time you  
On the remote control, press  
then  
Note: If you do not use a center speaker,  
the monaural signals are only repro-  
duced if you select PHANTOM.  
CENTER MODE  
press  
, the setting changes: NORMAL, WIDE, PHANTOM, or  
3chLOGIC.  
NORMAL — For a small center speaker. The front left and right speakers play  
the center-channel bass sounds.  
WIDE— For a medium or large center speaker. The center speaker plays the  
center-channel bass sounds.  
PHANTOM— For no center speaker. All center-channel sound comes from the  
front left and right speakers.  
3chLOGIC— For no rear speakers. The rear channel’s sound is sent to the  
front left and right speakers.  
Test Tone  
The test tone lets you balance the signal levels between all your speakers. To  
adjust the levels, see “Center Level” and “Rear Level.”  
To turn on the test tone, select one of the surround sound modes (PROLOGIC,  
SURROUND  
THEATER1, THEATER2, or 3chLOGIC) then press  
. Then press  
TEST TONE  
. The receiver sounds a 2-second tone from the front left, center, front  
right, and surround (rear) speakers, in sequence. Lch, Cch, Rch, and Sch  
appear as the test tone sounds.  
The center test tone sounds and Cchappears only when you select Normal,  
Wide, or 3CHLogic.  
If you select 3CHLogic, the receiver sounds the 2-second tone from the left,  
center, and right speakers, in sequence.  
TEST TONE  
Press  
again to turn off this feature.  
Center Level  
Note: Use the VOLUME control to adjust  
the overall sound level.  
– CENTER LEVEL +  
Press  
to adjust the center speaker sound level.  
Rear Level  
– REAR LEVEL +  
Press  
to adjust the rear speakers’ sound level.  
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22  
Using Advanced Sound Options  
Center Mode Setting  
Sound Mode Adjustments  
(Remote Control Only)  
The center mode setting affects the center channel’s bass signals. It operates  
only when you select the Dolby Pro Logic Surround or Dolby 3CH Logic mode.  
SURROUND  
CENTER MODE  
. Each time you  
On the remote control, press  
then  
Note: If you do not use a center speaker,  
the monaural signals are only repro-  
duced if you select PHANTOM.  
CENTER MODE  
press  
, the setting changes: NORMAL, WIDE, PHANTOM, or  
3chLOGIC.  
NORMAL — For a small center speaker. The front left and right speakers play  
the center-channel bass sounds.  
WIDE— For a medium or large center speaker. The center speaker plays the  
center-channel bass sounds.  
PHANTOM— For no center speaker. All center-channel sound comes from the  
front left and right speakers.  
3chLOGIC— For no rear speakers. The rear channel’s sound is sent to the  
front left and right speakers.  
Test Tone  
The test tone lets you balance the signal levels between all your speakers. To  
adjust the levels, see “Center Level” and “Rear Level.”  
To turn on the test tone, select one of the surround sound modes (PROLOGIC,  
SURROUND  
THEATER1, THEATER2, or 3chLOGIC) then press  
. Then press  
TEST TONE  
. The receiver sounds a 2-second tone from the front left, center, front  
right, and surround (rear) speakers, in sequence. Lch, Cch, Rch, and Sch  
appear as the test tone sounds.  
The center test tone sounds and Cchappears only when you select Normal,  
Wide, or 3CHLogic.  
If you select 3CHLogic, the receiver sounds the 2-second tone from the left,  
center, and right speakers, in sequence.  
TEST TONE  
Press  
again to turn off this feature.  
Center Level  
Note: Use the VOLUME control to adjust  
the overall sound level.  
– CENTER LEVEL +  
Press  
to adjust the center speaker sound level.  
Rear Level  
– REAR LEVEL +  
Press  
to adjust the rear speakers’ sound level.  
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22  
Using Advanced Sound Options  
Delay Time  
In the Dolby Pro Logic Surround modes (PROLOGIC, THEATER1, and THE-  
ATER2), the receiver slightly delays the sound going to the rear speakers. You  
can change this delay time from 15 to 30 milliseconds (ms) in 5 ms steps. Adjust  
the delay time for the best surround effect.  
Notes:  
• For Dolby Pro Logic Surround, the de-  
lay is preset to 5 ms.  
• The delay time does not affect the  
DSP or Dolby Virtual mode.  
Press SURROUND, then hold down DELAY TIME to change the delay time. The  
receiver displays the selected time.  
Effect Level  
With DSP and Dolby Virtual, you can change the delay time to alter the sound  
effect. You can set different levels for each mode independently (from 10 to 90  
for DSP, and from 30 to 90 for Dolby Virtual).  
Press SURROUND, then hold down DISC EFFECT – or + to change the effect level.  
Dolby Virtual effects change considerably when the listening position changes.  
It sounds best when you move farther away from the speakers (about 1.2 times  
farther than the distance between the left and right speakers).  
Also, the effect can vary depending on the source program.  
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23  
Using Advanced Sound Options  
Delay Time  
In the Dolby Pro Logic Surround modes (PROLOGIC, THEATER1, and THE-  
ATER2), the receiver slightly delays the sound going to the rear speakers. You  
can change this delay time from 15 to 30 milliseconds (ms) in 5 ms steps. Adjust  
the delay time for the best surround effect.  
Notes:  
• For Dolby Pro Logic Surround, the de-  
lay is preset to 5 ms.  
• The delay time does not affect the  
DSP or Dolby Virtual mode.  
Press SURROUND, then hold down DELAY TIME to change the delay time. The  
receiver displays the selected time.  
Effect Level  
With DSP and Dolby Virtual, you can change the delay time to alter the sound  
effect. You can set different levels for each mode independently (from 10 to 90  
for DSP, and from 30 to 90 for Dolby Virtual).  
Press SURROUND, then hold down DISC EFFECT – or + to change the effect level.  
Dolby Virtual effects change considerably when the listening position changes.  
It sounds best when you move farther away from the speakers (about 1.2 times  
farther than the distance between the left and right speakers).  
Also, the effect can vary depending on the source program.  
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23  
Using the Remote Control  
The remote control works up to a distance of about 23 feet, and within a 30-  
degree angle on either side of the receiver. Point the control at the receiver’s  
front panel and press the desired button(s).  
Many buttons on the remote control work the same as buttons on the receiver’s  
front panel. Use these buttons exactly as you would use the corresponding but-  
tons on the receiver.  
CONTROL MODE Buttons  
The three CONTROL MODE buttons select the device you connected to the CON-  
TROL OUT jack of the STAV-3770, CD player, VCR, or cassette deck.  
Receiver/Amplifier Operation  
Before operation, press TUNER to select receiver/amplifier operation.  
STATION  
BAND  
Tunes to the next higher or lower memory location.  
Selects the AM or FM tuner band.  
Tunes to radio stations.  
TUNER  
FREQ  
Selects the FM reception mode.  
Selects the memory class.  
FM MONO  
CD  
POWER  
BAND  
STATION  
FREQ  
CLASS  
TAPE  
TUNER  
Allows direct input of the station frequency.  
DIRECT ACCESS  
Number Buttons  
FM  
MONO  
DIRECT  
ACCESS  
CLASS  
Select the corresponding memory station. During Direct Access,  
enter the station’s frequency.  
1
2
3
TEST  
TONE  
REAR  
LEVEL  
Receiver/  
Amplifier  
Buttons  
SUR-  
TEST TONE  
Sounds test tones from each speaker when pressed after  
ROUND.  
4
5
8
6
9
CENTER  
MODE  
CENTER  
LEVEL  
CONTROL  
MODE  
7
DISC  
EFFECT  
DELAY  
TIME  
SURROUND  
REAR LEVEL +  
CENTER MODE  
CENTER LEVEL +  
DELAY TIME  
Controls the sound level of the rear speakers when pressed after  
SURROUND.  
0
PRO LOGICDSP MODE MUTING  
VIRTUAL  
FUNC  
LOUD  
Selects among the three center modes or 3CH Logic when  
pressed after SURROUND.  
MASTER  
VOLUME  
RECEIVER  
POWER  
DIRECT  
AUDIO/VIDEO  
SYSTEM REMOTE  
OSR  
Controls the sound level of the center speaker when pressed af-  
ter SURROUND.  
Sets the rear-channel delay for Dolby Pro Logic Surround and  
Simulated Surround programs when pressed after SURROUND.  
EFFECT+  
PRO LOGIC  
DSP MODE  
Adjusts the level of DSP or Dolby Virtual mode.  
Selects Dolby Pro Logic Surround.  
RECEIVER POWER  
Selects the DSP mode; HALL, JAZZ, DANCE, THEATER 1, or  
THEATER 2.  
MUTING  
Silences the receiver. Press again to restore the sound to its pre-  
vious level.  
Selects Dolby Virtual.  
VIRTUAL  
LOUD  
Turns the loudness feature on and off.  
Selects a program source (VCR, PHONO, tuner, CD, or DVD/  
LD). Repeatedly press until the display shows the desired pro-  
gram source.  
FUNC  
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24  
Using the Remote Control  
The remote control works up to a distance of about 23 feet, and within a 30-  
degree angle on either side of the receiver. Point the control at the receiver’s  
front panel and press the desired button(s).  
Many buttons on the remote control work the same as buttons on the receiver’s  
front panel. Use these buttons exactly as you would use the corresponding but-  
tons on the receiver.  
CONTROL MODE Buttons  
The three CONTROL MODE buttons select the device you connected to the CON-  
TROL OUT jack of the STAV-3770, CD player, VCR, or cassette deck.  
Receiver/Amplifier Operation  
Before operation, press TUNER to select receiver/amplifier operation.  
STATION  
BAND  
Tunes to the next higher or lower memory location.  
Selects the AM or FM tuner band.  
Tunes to radio stations.  
TUNER  
FREQ  
Selects the FM reception mode.  
Selects the memory class.  
FM MONO  
CD  
POWER  
BAND  
STATION  
FREQ  
CLASS  
TAPE  
TUNER  
Allows direct input of the station frequency.  
DIRECT ACCESS  
Number Buttons  
FM  
MONO  
DIRECT  
ACCESS  
CLASS  
Select the corresponding memory station. During Direct Access,  
enter the station’s frequency.  
1
2
3
TEST  
TONE  
REAR  
LEVEL  
Receiver/  
Amplifier  
Buttons  
SUR-  
TEST TONE  
Sounds test tones from each speaker when pressed after  
ROUND.  
4
5
8
6
9
CENTER  
MODE  
CENTER  
LEVEL  
CONTROL  
MODE  
7
DISC  
EFFECT  
DELAY  
TIME  
SURROUND  
REAR LEVEL +  
CENTER MODE  
CENTER LEVEL +  
DELAY TIME  
Controls the sound level of the rear speakers when pressed after  
SURROUND.  
0
PRO LOGICDSP MODE MUTING  
VIRTUAL  
FUNC  
LOUD  
Selects among the three center modes or 3CH Logic when  
pressed after SURROUND.  
MASTER  
VOLUME  
RECEIVER  
POWER  
DIRECT  
AUDIO/VIDEO  
SYSTEM REMOTE  
OSR  
Controls the sound level of the center speaker when pressed af-  
ter SURROUND.  
Sets the rear-channel delay for Dolby Pro Logic Surround and  
Simulated Surround programs when pressed after SURROUND.  
EFFECT+  
PRO LOGIC  
DSP MODE  
Adjusts the level of DSP or Dolby Virtual mode.  
Selects Dolby Pro Logic Surround.  
RECEIVER POWER  
Selects the DSP mode; HALL, JAZZ, DANCE, THEATER 1, or  
THEATER 2.  
MUTING  
Silences the receiver. Press again to restore the sound to its pre-  
vious level.  
Selects Dolby Virtual.  
VIRTUAL  
LOUD  
Turns the loudness feature on and off.  
Selects a program source (VCR, PHONO, tuner, CD, or DVD/  
LD). Repeatedly press until the display shows the desired pro-  
gram source.  
FUNC  
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24  
Using the Remote Control  
Bypasses the receiver’s audio control circuits. Press again to re-  
store the previous settings.  
DIRECT  
+ MASTER VOLUME Adjusts the system’s volume.  
Turns the receiver on and off.  
RECEIVER POWER  
CD  
CD Player Operation  
Note: You must have connected the CD player to both of your receiver’s CON-  
TROL OUT and audio jacks for these functions to work.  
CD  
POWER  
BAND  
STATION  
FREQ  
Before operation, press CD to select CD player operation.  
TAPE  
TUNER  
CD Player  
Buttons  
Turns the CD player on and off (only for CD players that have the  
FM  
MONO  
DIRECT  
ACCESS  
POWER  
CLASS  
CONTROL IN/OUT feature).  
1
2
3
|
/
|
Returns to the beginning of the current track or advances to the  
next track.  
TEST  
TONE  
REAR  
LEVEL  
4
5
8
6
9
CENTER  
MODE  
CENTER  
LEVEL  
CONTROL  
MODE  
7
DISC  
EFFECT  
/
Rapidly advances backward/forward within a track.  
Press to pause play. Press again to resume.  
Stops playback.  
DELAY  
TIME  
SURROUND  
0
PRO LOGICDSP MODE MUTING  
VIRTUAL  
FUNC  
LOUD  
MASTER  
VOLUME  
RECEIVER  
POWER  
DIRECT  
Plays the CD.  
AUDIO/VIDEO  
SYSTEM REMOTE  
OSR  
DISC +  
Selects discs in a multi-play CD changer. (DISC might not work  
with some CD players.)  
Cassette Deck Operation  
Note: You must have connected the cassette deck to both your receiver’s CON-  
TROL OUT and audio jacks for these functions to work.  
TAPE  
Before operation, press TAPE to select cassette deck operation.  
The remote control operates a single cassette deck and Deck 2 on a dual cas-  
sette deck. To operate Deck 1 on a dual cassette deck, use the buttons shown  
in parentheses.  
CD  
POWER  
BAND  
STATION  
TAPE  
TUNER  
FREQ  
Note: These buttons do not work with all decks.  
Cassette  
Deck  
Buttons  
FM  
MONO  
DIRECT  
ACCESS  
CLASS  
Turns on/off the cassette deck.  
POWER  
(7)  
1
2
3
TEST  
TONE  
REAR  
LEVEL  
Press to play the other side of an auto-reverse cassette deck.  
4
5
8
6
9
CENTER  
MODE  
CENTER  
LEVEL  
(8) /  
(9)  
Quickly locates and plays the beginning of recorded material dur-  
ing play.  
CONTROL  
MODE  
7
DISC  
EFFECT  
DELAY  
TIME  
SURROUND  
0
PRO LOGICDSP MODE MUTING  
Or, when the tape is stopped, rapidly searches forward or back-  
ward to locate a specific section of the tape.  
VIRTUAL  
FUNC  
LOUD  
MASTER  
VOLUME  
RECEIVER  
POWER  
DIRECT  
(0)  
Press to temporarily stop playback/recording. Press again to re-  
sume.  
AUDIO/VIDEO  
SYSTEM REMOTE  
OSR  
(EFFECT –)  
(+ EFFECT)  
Stops playback/recording.  
Press to start normal playback.  
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25  
Using the Remote Control  
Bypasses the receiver’s audio control circuits. Press again to re-  
store the previous settings.  
DIRECT  
+ MASTER VOLUME Adjusts the system’s volume.  
Turns the receiver on and off.  
RECEIVER POWER  
CD  
CD Player Operation  
Note: You must have connected the CD player to both of your receiver’s CON-  
TROL OUT and audio jacks for these functions to work.  
CD  
POWER  
BAND  
STATION  
FREQ  
Before operation, press CD to select CD player operation.  
TAPE  
TUNER  
CD Player  
Buttons  
Turns the CD player on and off (only for CD players that have the  
FM  
MONO  
DIRECT  
ACCESS  
POWER  
CLASS  
CONTROL IN/OUT feature).  
1
2
3
|
/
|
Returns to the beginning of the current track or advances to the  
next track.  
TEST  
TONE  
REAR  
LEVEL  
4
5
8
6
9
CENTER  
MODE  
CENTER  
LEVEL  
CONTROL  
MODE  
7
DISC  
EFFECT  
/
Rapidly advances backward/forward within a track.  
Press to pause play. Press again to resume.  
Stops playback.  
DELAY  
TIME  
SURROUND  
0
PRO LOGICDSP MODE MUTING  
VIRTUAL  
FUNC  
LOUD  
MASTER  
VOLUME  
RECEIVER  
POWER  
DIRECT  
Plays the CD.  
AUDIO/VIDEO  
SYSTEM REMOTE  
OSR  
DISC +  
Selects discs in a multi-play CD changer. (DISC might not work  
with some CD players.)  
Cassette Deck Operation  
Note: You must have connected the cassette deck to both your receiver’s CON-  
TROL OUT and audio jacks for these functions to work.  
TAPE  
Before operation, press TAPE to select cassette deck operation.  
The remote control operates a single cassette deck and Deck 2 on a dual cas-  
sette deck. To operate Deck 1 on a dual cassette deck, use the buttons shown  
in parentheses.  
CD  
POWER  
BAND  
STATION  
TAPE  
TUNER  
FREQ  
Note: These buttons do not work with all decks.  
Cassette  
Deck  
Buttons  
FM  
MONO  
DIRECT  
ACCESS  
CLASS  
Turns on/off the cassette deck.  
POWER  
(7)  
1
2
3
TEST  
TONE  
REAR  
LEVEL  
Press to play the other side of an auto-reverse cassette deck.  
4
5
8
6
9
CENTER  
MODE  
CENTER  
LEVEL  
(8) /  
(9)  
Quickly locates and plays the beginning of recorded material dur-  
ing play.  
CONTROL  
MODE  
7
DISC  
EFFECT  
DELAY  
TIME  
SURROUND  
0
PRO LOGICDSP MODE MUTING  
Or, when the tape is stopped, rapidly searches forward or back-  
ward to locate a specific section of the tape.  
VIRTUAL  
FUNC  
LOUD  
MASTER  
VOLUME  
RECEIVER  
POWER  
DIRECT  
(0)  
Press to temporarily stop playback/recording. Press again to re-  
sume.  
AUDIO/VIDEO  
SYSTEM REMOTE  
OSR  
(EFFECT –)  
(+ EFFECT)  
Stops playback/recording.  
Press to start normal playback.  
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25  
Troubleshooting  
If the receiver is not working as it should, the following suggestions might help. If you follow the suggestions in this chart and  
the receiver still does not work properly, contact your local RadioShack store for assistance.  
Problem  
Cause  
Suggestion  
Plug in the power cord.  
Unplug the power cord, then plug it in again.  
Power does not turn on.  
Power cord is disconnected.  
Protection circuit is activated.  
The receiver does not respond  
to button presses.  
Static discharge has affected the re- Unplug the power cord, then plug it in again. (If  
ceiver.  
static electricity is a problem, use the remote control  
as much as possible.)  
No sound.  
Incorrect connections.  
Check and correct the connections.  
Press MUTING.  
The mute function is activated.  
The volume is turned down.  
Speaker wires are disconnected.  
Speakers are turned off.  
Turn up the volume.  
Connect the speaker wires.  
Press SPEAKER so SP Aappears on the display.  
Press TAPE 2 so TAPE2clears from the display.  
TAPE 2 function is engaged.  
No picture when you select a  
video source.  
The selected video source is not set Correct the problem with the selected video source.  
correctly.  
Incorrect connections.  
Station not correctly tuned.  
Antenna not connected.  
Check and correct the connections.  
Adjust tuning.  
High noise level.  
Connect the antenna.  
FM antenna still coiled or is not  
pointing in the correct direction.  
Stretch both ends of the antenna taut and reposition  
the antenna.  
AM loop antenna not pointing in the Adjust the AM loop antenna.  
correct direction.  
Noise is coming from another electri- Try using an AC line noise filter to reduce the noise.  
cal appliance.  
Automatic tuning does not stop Stations are too weak.  
when searching for stations.  
Use a better antenna.  
Cannot make copies of video  
tapes.  
Tapes are protected by a copy pro-  
tection method.  
You cannot make a good copy.  
Video connections are incorrect.  
Remote is set to other device.  
Check and correct the connections.  
Remote control does not work.  
Press the CONTROL MODE button for the device to  
control (CD, TAPE, or TUNER).  
Batteries are weak.  
Replace the batteries.  
Remote does not control cas-  
sette deck or CD player.  
Cassette deck or CD player is not  
compatible.  
The feature only works with Optimus Professional  
Series components.  
Control cable is not plugged in.  
Audio cables are not plugged in.  
Properly connect the control cable.  
Properly connect the audio cables.  
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26  
Troubleshooting  
If the receiver is not working as it should, the following suggestions might help. If you follow the suggestions in this chart and  
the receiver still does not work properly, contact your local RadioShack store for assistance.  
Problem  
Cause  
Suggestion  
Plug in the power cord.  
Unplug the power cord, then plug it in again.  
Power does not turn on.  
Power cord is disconnected.  
Protection circuit is activated.  
The receiver does not respond  
to button presses.  
Static discharge has affected the re- Unplug the power cord, then plug it in again. (If  
ceiver.  
static electricity is a problem, use the remote control  
as much as possible.)  
No sound.  
Incorrect connections.  
Check and correct the connections.  
Press MUTING.  
The mute function is activated.  
The volume is turned down.  
Speaker wires are disconnected.  
Speakers are turned off.  
Turn up the volume.  
Connect the speaker wires.  
Press SPEAKER so SP Aappears on the display.  
Press TAPE 2 so TAPE2clears from the display.  
TAPE 2 function is engaged.  
No picture when you select a  
video source.  
The selected video source is not set Correct the problem with the selected video source.  
correctly.  
Incorrect connections.  
Station not correctly tuned.  
Antenna not connected.  
Check and correct the connections.  
Adjust tuning.  
High noise level.  
Connect the antenna.  
FM antenna still coiled or is not  
pointing in the correct direction.  
Stretch both ends of the antenna taut and reposition  
the antenna.  
AM loop antenna not pointing in the Adjust the AM loop antenna.  
correct direction.  
Noise is coming from another electri- Try using an AC line noise filter to reduce the noise.  
cal appliance.  
Automatic tuning does not stop Stations are too weak.  
when searching for stations.  
Use a better antenna.  
Cannot make copies of video  
tapes.  
Tapes are protected by a copy pro-  
tection method.  
You cannot make a good copy.  
Video connections are incorrect.  
Remote is set to other device.  
Check and correct the connections.  
Remote control does not work.  
Press the CONTROL MODE button for the device to  
control (CD, TAPE, or TUNER).  
Batteries are weak.  
Replace the batteries.  
Remote does not control cas-  
sette deck or CD player.  
Cassette deck or CD player is not  
compatible.  
The feature only works with Optimus Professional  
Series components.  
Control cable is not plugged in.  
Audio cables are not plugged in.  
Properly connect the control cable.  
Properly connect the audio cables.  
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26  
Care and Maintenance  
Your Optimus STAV-3770 Audio/Video Receiver is an example of superior design and craftsmanship. The following sugges-  
tions will help you care for the receiver so you can enjoy it for years.  
Keep the receiver dry. If it gets wet, wipe it dry immediately. Liquids can contain  
minerals that can corrode the electronic circuits.  
Handle the receiver gently and carefully. Dropping it can damage its circuit  
boards and can cause the receiver to work improperly.  
Use and store the receiver and its remote control only in normal temperature  
environments. Temperature extremes can shorten the life of electronic devices,  
damage batteries, and distort or melt plastic parts.  
Keep the receiver away from dust and dirt, which can cause premature wear of  
parts.  
Wipe the receiver with a damp cloth occasionally to keep it looking new. Do not  
use harsh chemicals, cleaning solvents, or strong detergents to clean the  
receiver.  
Use only fresh batteries of the recommended size and type in the remote con-  
trol. Always remove old or weak batteries. They can leak chemicals that can  
destroy electronic circuits.  
Modifying or tampering with your receiver’s internal components can cause a malfunction and might invalidate the receiver’s  
warranty and void your FCC authorization to operate it. If the receiver is not operating as it should, take it to your local  
RadioShack store for assistance.  
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27  
Care and Maintenance  
Your Optimus STAV-3770 Audio/Video Receiver is an example of superior design and craftsmanship. The following sugges-  
tions will help you care for the receiver so you can enjoy it for years.  
Keep the receiver dry. If it gets wet, wipe it dry immediately. Liquids can contain  
minerals that can corrode the electronic circuits.  
Handle the receiver gently and carefully. Dropping it can damage its circuit  
boards and can cause the receiver to work improperly.  
Use and store the receiver and its remote control only in normal temperature  
environments. Temperature extremes can shorten the life of electronic devices,  
damage batteries, and distort or melt plastic parts.  
Keep the receiver away from dust and dirt, which can cause premature wear of  
parts.  
Wipe the receiver with a damp cloth occasionally to keep it looking new. Do not  
use harsh chemicals, cleaning solvents, or strong detergents to clean the  
receiver.  
Use only fresh batteries of the recommended size and type in the remote con-  
trol. Always remove old or weak batteries. They can leak chemicals that can  
destroy electronic circuits.  
Modifying or tampering with your receiver’s internal components can cause a malfunction and might invalidate the receiver’s  
warranty and void your FCC authorization to operate it. If the receiver is not operating as it should, take it to your local  
RadioShack store for assistance.  
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27  
The FCC Wants You to Know  
Your receiver might cause radio or TV interference even when it is operating  
properly. To determine whether your receiver is causing the interference, turn off  
your receiver. If the interference goes away, your receiver is causing it. Try to  
eliminate the interference by:  
• Moving your radio or TV away from the receiver  
• Connecting your receiver to an outlet that is on a different electrical circuit  
from the radio or TV  
• Contacting your local RadioShack store for help  
If you cannot eliminate the interference, the FCC requires that you stop using  
your receiver.  
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28  
The FCC Wants You to Know  
Your receiver might cause radio or TV interference even when it is operating  
properly. To determine whether your receiver is causing the interference, turn off  
your receiver. If the interference goes away, your receiver is causing it. Try to  
eliminate the interference by:  
• Moving your radio or TV away from the receiver  
• Connecting your receiver to an outlet that is on a different electrical circuit  
from the radio or TV  
• Contacting your local RadioShack store for help  
If you cannot eliminate the interference, the FCC requires that you stop using  
your receiver.  
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28  
Specifications  
Amplifier  
Front Channel Average Power Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 Watts per Channel into 8 Ohms  
From 40 to 20,000 Hz,  
With No More than 0.9% Total Harmonic Distortion  
Measured Pursuant to the Federal Trade Commission’s  
Trade Regulation Rule on Amplifier Output Power Claims  
Front Channel Surround Power Output . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 Watts per Channel (1 kHz, 0.9% THD, 8 Ohms)  
Center Channel Surround Power Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 Watts (1 kHz, 0.9% THD, 8 Ohms)  
Continuous Rear Surround Power Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 Watts (1 kHz, 0.9% THD, 8 Ohms)  
Input Sensitivity/Impedance  
Phono . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.8 mV/47 kOhms  
CD, DVD/LD, VCR/TAPE 1, TAPE 2 Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200 mV/47 kOhms  
Phono Overload Level (0.1% THD, 1 kHz) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 mV  
Frequency Response  
Phono . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Hz to 20,000 Hz ±0.3 dB  
CD, DVD/LD, VCR/TAPE 1, TAPE 2 Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Hz to 100,000 Hz +0/–3 dB  
Output Level/Impedance  
VCR/TAPE 1 REC, TAPE 2 Monitor REC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200 mV/2.2 kOhms  
Tone Controls  
Bass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±8 dB (150 Hz)  
Treble . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±8 dB (10 kHz)  
Loudness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +8 dB/+6 dB (100 Hz/10 kHz)  
Signal-to-Noise Ratio (IHF, Short Circuited, A Network)  
Phono . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 dB  
CD, DVD/LD, VCR/TAPE 1, TAPE 2 Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96 dB  
Signal-to-Noise Ratio (EIA, at 1 Watt, 1 kHz)  
Phono . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75 dB  
CD, DVD/LD, VCR/TAPE 1, TAPE 2 Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79 dB  
Video Section  
Input Sensitivity/Impedance VCR/TAPE 1, DVD/LD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Volt Peak-to-Peak/75 Ohms  
Output Level/Impedance VCR/TAPE 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Volt Peak-to-Peak/75 Ohms  
Frequency Response VCR/TAPE 1, DVD/LD to Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Hz to 7 MHz +0/–3 dB  
Signal-to-Noise Ratio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 dB  
Crosstalk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 dB  
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29  
Specifications  
Amplifier  
Front Channel Average Power Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 Watts per Channel into 8 Ohms  
From 40 to 20,000 Hz,  
With No More than 0.9% Total Harmonic Distortion  
Measured Pursuant to the Federal Trade Commission’s  
Trade Regulation Rule on Amplifier Output Power Claims  
Front Channel Surround Power Output . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 Watts per Channel (1 kHz, 0.9% THD, 8 Ohms)  
Center Channel Surround Power Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 Watts (1 kHz, 0.9% THD, 8 Ohms)  
Continuous Rear Surround Power Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 Watts (1 kHz, 0.9% THD, 8 Ohms)  
Input Sensitivity/Impedance  
Phono . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.8 mV/47 kOhms  
CD, DVD/LD, VCR/TAPE 1, TAPE 2 Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200 mV/47 kOhms  
Phono Overload Level (0.1% THD, 1 kHz) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 mV  
Frequency Response  
Phono . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Hz to 20,000 Hz ±0.3 dB  
CD, DVD/LD, VCR/TAPE 1, TAPE 2 Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Hz to 100,000 Hz +0/–3 dB  
Output Level/Impedance  
VCR/TAPE 1 REC, TAPE 2 Monitor REC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200 mV/2.2 kOhms  
Tone Controls  
Bass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±8 dB (150 Hz)  
Treble . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±8 dB (10 kHz)  
Loudness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +8 dB/+6 dB (100 Hz/10 kHz)  
Signal-to-Noise Ratio (IHF, Short Circuited, A Network)  
Phono . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 dB  
CD, DVD/LD, VCR/TAPE 1, TAPE 2 Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96 dB  
Signal-to-Noise Ratio (EIA, at 1 Watt, 1 kHz)  
Phono . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75 dB  
CD, DVD/LD, VCR/TAPE 1, TAPE 2 Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79 dB  
Video Section  
Input Sensitivity/Impedance VCR/TAPE 1, DVD/LD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Volt Peak-to-Peak/75 Ohms  
Output Level/Impedance VCR/TAPE 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Volt Peak-to-Peak/75 Ohms  
Frequency Response VCR/TAPE 1, DVD/LD to Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Hz to 7 MHz +0/–3 dB  
Signal-to-Noise Ratio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 dB  
Crosstalk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 dB  
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29  
Specifications  
FM Tuner  
Frequency Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87.5 to 108 MHz  
Usable Sensitivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Mono: 13.2 dBf, IHF (1.3 µV/75 Ohms)  
50 dB Quieting Sensitivity  
Mono . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20.2 dBf  
Stereo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38.6 dBf  
Signal-to-Noise Ratio  
Mono . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73 dB (at 85 dBf)  
Stereo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 dB (at 85 dBf)  
Distortion Stereo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5% (1 kHz)  
Alternate Channel Selectivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60 dB (400 kHz)  
Stereo Separation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 dB (1 kHz)  
Frequency Response . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 Hz to 15 kHz (±1 dB)  
Antenna Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75 Ohms Unbalanced  
AM Tuner  
Frequency Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 530 to 1700 kHz  
Sensitivity (IHF, Loop Antenna) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 350 µV/m  
Selectivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 dB  
Signal-to-Noise Ratio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 dB  
General  
Power Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120 Volts AC, 60 Hz  
Power Consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 210 Watts, 300 VA (UL)  
AC Outlet Ratings Switched . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Total 100 Watts (0.8 Amps) Maximum  
Dimensions (HWD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55/8 × 169/16 × 1213/16 Inches  
(143 × 420 × 325 mm)  
Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 lb 5 oz  
(7.4 kg)  
Specifications are typical; individual units might vary. Specifications are subject to change and improvement without notice.  
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30  
Specifications  
FM Tuner  
Frequency Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87.5 to 108 MHz  
Usable Sensitivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Mono: 13.2 dBf, IHF (1.3 µV/75 Ohms)  
50 dB Quieting Sensitivity  
Mono . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20.2 dBf  
Stereo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38.6 dBf  
Signal-to-Noise Ratio  
Mono . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73 dB (at 85 dBf)  
Stereo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 dB (at 85 dBf)  
Distortion Stereo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5% (1 kHz)  
Alternate Channel Selectivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60 dB (400 kHz)  
Stereo Separation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 dB (1 kHz)  
Frequency Response . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 Hz to 15 kHz (±1 dB)  
Antenna Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75 Ohms Unbalanced  
AM Tuner  
Frequency Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 530 to 1700 kHz  
Sensitivity (IHF, Loop Antenna) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 350 µV/m  
Selectivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 dB  
Signal-to-Noise Ratio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 dB  
General  
Power Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120 Volts AC, 60 Hz  
Power Consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 210 Watts, 300 VA (UL)  
AC Outlet Ratings Switched . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Total 100 Watts (0.8 Amps) Maximum  
Dimensions (HWD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55/8 × 169/16 × 1213/16 Inches  
(143 × 420 × 325 mm)  
Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 lb 5 oz  
(7.4 kg)  
Specifications are typical; individual units might vary. Specifications are subject to change and improvement without notice.  
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30  
Index to Features by Control Name  
This table lists the control and indicator names found on the front of your receiver, along with the page number where the con-  
trol or indicator is discussed. To find a description for the buttons on the remote control, see “Using the Remote Control” on  
Page 24.  
Control  
Page  
15, 17  
TONE/BALANCE  
BASS  
15  
CD  
15  
CLASS  
17  
DOLBY PRO LOGIC  
DOLBY VIRTUAL  
DSP MODE  
DVD/LD  
21  
21, 23  
21  
15  
FM MONO  
FM/AM  
17  
16  
LOUDNESS  
MEMORY  
18  
17  
PHONES  
18  
PHONO  
15  
POWER  
15  
SELECT  
15, 16  
15, 18  
17  
SPEAKER  
STATION  
TAPE 2 MONITOR  
15, 19  
15  
TREBLE  
TUNING  
16  
VCR/TAPE 1  
15, 19  
15  
VOLUME  
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31  
Index to Features by Control Name  
This table lists the control and indicator names found on the front of your receiver, along with the page number where the con-  
trol or indicator is discussed. To find a description for the buttons on the remote control, see “Using the Remote Control” on  
Page 24.  
Control  
Page  
15, 17  
TONE/BALANCE  
BASS  
15  
CD  
15  
CLASS  
17  
DOLBY PRO LOGIC  
DOLBY VIRTUAL  
DSP MODE  
DVD/LD  
21  
21, 23  
21  
15  
FM MONO  
FM/AM  
17  
16  
LOUDNESS  
MEMORY  
18  
17  
PHONES  
18  
PHONO  
15  
POWER  
15  
SELECT  
15, 16  
15, 18  
17  
SPEAKER  
STATION  
TAPE 2 MONITOR  
15, 19  
15  
TREBLE  
TUNING  
16  
VCR/TAPE 1  
15, 19  
15  
VOLUME  
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31  
Limited Two-Year Warranty  
This product is warranted by RadioShack against manufacturing defects in material and workman-  
ship under normal use for two (2) years from the date of purchase from RadioShack company-  
owned stores and authorized RadioShack franchisees and dealers. EXCEPT AS PROVIDED  
HEREIN, RadioShack MAKES NO EXPRESS WARRANTIES AND ANY IMPLIED WARRANTIES,  
INCLUDING THOSE OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE,  
ARE LIMITED IN DURATION TO THE DURATION OF THE WRITTEN LIMITED WARRANTIES  
CONTAINED HEREIN. EXCEPT AS PROVIDED HEREIN, RadioShack SHALL HAVE NO LIABIL-  
ITY OR RESPONSIBILITY TO CUSTOMER OR ANY OTHER PERSON OR ENTITY WITH RE-  
SPECT TO ANY LIABILITY, LOSS OR DAMAGE CAUSED DIRECTLY OR INDIRECTLY BY USE  
OR PERFORMANCE OF THE PRODUCT OR ARISING OUT OF ANY BREACH OF THIS WAR-  
RANTY, INCLUDING, BUT NOT LIMITED TO, ANY DAMAGES RESULTING FROM INCONVE-  
NIENCE, LOSS OF TIME, DATA, PROPERTY, REVENUE, OR PROFIT OR ANY INDIRECT,  
SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, EVEN IF RadioShack HAS BEEN AD-  
VISED OF THE POSSIBILITY OF SUCH DAMAGES.  
Some states do not allow the limitations on how long an implied warranty lasts or the exclusion of in-  
cidental or consequential damages, so the above limitations or exclusions may not apply to you.  
In the event of a product defect during the warranty period, take the product and the RadioShack  
sales receipt as proof of purchase date to any RadioShack store. RadioShack will, at its option, un-  
less otherwise provided by law: (a) correct the defect by product repair without charge for parts and  
labor; (b) replace the product with one of the same or similar design; or (c) refund the purchase  
price. All replaced parts and products, and products on which a refund is made, become the prop-  
erty of RadioShack. New or reconditioned parts and products may be used in the performance of  
warranty service. Repaired or replaced parts and products are warranted for the remainder of the  
original warranty period. You will be charged for repair or replacement of the product made after the  
expiration of the warranty period.  
This warranty does not cover: (a) damage or failure caused by or attributable to acts of God, abuse,  
accident, misuse, improper or abnormal usage, failure to follow instructions, improper installation or  
maintenance, alteration, lightning or other incidence of excess voltage or current; (b) any repairs  
other than those provided by a RadioShack Authorized Service Facility; (c) consumables such as  
fuses or batteries; (d) cosmetic damage; (e) transportation, shipping or insurance costs; or (f) costs  
of product removal, installation, set-up service adjustment or reinstallation.  
This warranty gives you specific legal rights, and you may also have other rights which vary from  
state to state.  
RadioShack Customer Relations, Dept. W, 100 Throckmorton St., Suite 600, Fort Worth, TX 76102  
We Service What We Sell  
3/97  
RadioShack  
A Division of Tandy Corporation  
Fort Worth, Texas 76102  
<ARB7149-A>  
6A8  
Printed in Indonesia  
Download from Www.Somanuals.com. All Manuals Search And Download.  
Limited Two-Year Warranty  
This product is warranted by RadioShack against manufacturing defects in material and workman-  
ship under normal use for two (2) years from the date of purchase from RadioShack company-  
owned stores and authorized RadioShack franchisees and dealers. EXCEPT AS PROVIDED  
HEREIN, RadioShack MAKES NO EXPRESS WARRANTIES AND ANY IMPLIED WARRANTIES,  
INCLUDING THOSE OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE,  
ARE LIMITED IN DURATION TO THE DURATION OF THE WRITTEN LIMITED WARRANTIES  
CONTAINED HEREIN. EXCEPT AS PROVIDED HEREIN, RadioShack SHALL HAVE NO LIABIL-  
ITY OR RESPONSIBILITY TO CUSTOMER OR ANY OTHER PERSON OR ENTITY WITH RE-  
SPECT TO ANY LIABILITY, LOSS OR DAMAGE CAUSED DIRECTLY OR INDIRECTLY BY USE  
OR PERFORMANCE OF THE PRODUCT OR ARISING OUT OF ANY BREACH OF THIS WAR-  
RANTY, INCLUDING, BUT NOT LIMITED TO, ANY DAMAGES RESULTING FROM INCONVE-  
NIENCE, LOSS OF TIME, DATA, PROPERTY, REVENUE, OR PROFIT OR ANY INDIRECT,  
SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, EVEN IF RadioShack HAS BEEN AD-  
VISED OF THE POSSIBILITY OF SUCH DAMAGES.  
Some states do not allow the limitations on how long an implied warranty lasts or the exclusion of in-  
cidental or consequential damages, so the above limitations or exclusions may not apply to you.  
In the event of a product defect during the warranty period, take the product and the RadioShack  
sales receipt as proof of purchase date to any RadioShack store. RadioShack will, at its option, un-  
less otherwise provided by law: (a) correct the defect by product repair without charge for parts and  
labor; (b) replace the product with one of the same or similar design; or (c) refund the purchase  
price. All replaced parts and products, and products on which a refund is made, become the prop-  
erty of RadioShack. New or reconditioned parts and products may be used in the performance of  
warranty service. Repaired or replaced parts and products are warranted for the remainder of the  
original warranty period. You will be charged for repair or replacement of the product made after the  
expiration of the warranty period.  
This warranty does not cover: (a) damage or failure caused by or attributable to acts of God, abuse,  
accident, misuse, improper or abnormal usage, failure to follow instructions, improper installation or  
maintenance, alteration, lightning or other incidence of excess voltage or current; (b) any repairs  
other than those provided by a RadioShack Authorized Service Facility; (c) consumables such as  
fuses or batteries; (d) cosmetic damage; (e) transportation, shipping or insurance costs; or (f) costs  
of product removal, installation, set-up service adjustment or reinstallation.  
This warranty gives you specific legal rights, and you may also have other rights which vary from  
state to state.  
RadioShack Customer Relations, Dept. W, 100 Throckmorton St., Suite 600, Fort Worth, TX 76102  
We Service What We Sell  
3/97  
RadioShack  
A Division of Tandy Corporation  
Fort Worth, Texas 76102  
<ARB7149-A>  
6A8  
Printed in Indonesia  
Download from Www.Somanuals.com. All Manuals Search And Download.  

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