VocoPro DVD Player DVD Duet Multi Format Digital Karaoke System 5 Band Stereo Equalizer Tuning User Manual

5-BAND STEREO EQUALIZER  
TUNING  
MULTI FORMAT DIGITAL KARAOKE SYSTEM  
DVD-DUET  
Digital Key Control DVD/CD/CDG  
Dual Cassatte Karaoke System  
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Safety Instructions  
8. Ventilation - The appliance should be situated so its  
location does not interfere with its proper ventilation. For  
example, the appliance should not be situated on a bed,  
sofa, rug, or similar surface that may block the  
ventilation slots.  
CAUTION  
RISK OF SHOCK  
9. Heat - The appliance should be situated away from  
heat sources such as radiators, heat registers,  
stoves, or other appliances (including amplifiers)  
that produce heat.  
CAUTION: To reduce the risk of electric shock,  
do not remove cover (or back). No user-  
serviceable parts inside. Only refer servicing to  
qualified service personnel.  
10. Power Sources - The appliance should be  
connected to a power supply only of the type described  
in the operating instructions or as marked on the  
appliance.  
Explanation of Graphical Symbols  
The lightning flash & arrowhead  
symbol, within an equilateral triangle,  
is intended to alert you to the  
presence of danger.  
11. Grounding or Polarization - Precautions should be  
taken so that the grounding or polarization means of  
an appliance is not defeated.  
12. Power-Cord Protection - Power-supply cords  
should be routed so that they are not likely to be walked  
on or pinched by items placed upon or against them,  
paying particular attention to cords at plugs,  
convenience receptacles, and the point where they exit  
from the appliance.  
The exclamation point within an  
equilateral triangle is intended to alert  
you to the presence of important  
operating and servicing instructions.  
WARNING  
To reduce the risk of fire or electric shock, do  
not expose this unit to rain or moisture.  
13. Cleaning - Unplug this unit from the wall outlet  
before cleaning. Do not use liquid cleaners or  
aerosol cleaners. Use a damp cloth for cleaning.  
14. Power lines - An outdoor antenna should be  
located away from power lines.  
1. Read Instructions - All the safety and operating  
instructions should be read before the appliance is  
operated.  
15. Nonuse Periods - The power cord of the appliance  
should be unplugged from the outlet when left unused  
for a long period of time.  
2. Retain Instructions - The safety and operating  
16. Object and Liquid Entry - Care should be taken so  
that objects do not fall and liquids are not spilled into the  
enclosure through openings.  
instructions should be retained for future reference.  
3. Heed Warnings - All warnings on the appliance and in  
the operating instructions should be adhered to.  
17. Damage Requiring Service - The appliance should  
be serviced by qualified service personnel when:  
4. Follow Instructions - All operating and use  
instructions should be followed.  
A. The power supply cord or plug has been damaged; or  
B. Objects have fallen into the appliance; or  
C. The appliance has been exposed to rain; or  
D. The appliance does not appear to operate normally  
or exhibits a marked change in performance; or  
E. The appliance has been dropped, or the enclosure  
damaged.  
5. Attachments - Do not use attachments not  
recommended by the product manufacturer as they may  
cause hazards.  
6. Water and Moisture - Do not use this unit near water.  
For example, near a bathtub or in a wet basement and  
the like.  
18. Servicing - The user should not attempt to service  
the appliance beyond that described in the operating  
instructions. All other servicing should be referred to  
qualified service personnel.  
7. Carts and Stands - The appliance should be used  
only with a cart or stand that is recommended by the  
manufacturer.  
Note:  
7 A. An appliance and cart combination  
should be moved with care. Quick stops,  
excessive force, and uneven surfaces may  
cause an overturn.  
To CATV system installer's (U.S.A.): This reminder is  
provided to call the CATV system installer's attention to  
Article 820-40 of the NEC that provides guidelines for  
proper grounding and, in particular, specifies that the  
cable ground shall be connected as close to the point of  
cable entry as practical.  
3
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FCC INFORMATION (U.S.A.)  
CAUTION:  
1. IMPORTANT NOTICE: DO NOT MODIFY THIS  
READ THIS BEFORE OPERATING YOUR UNIT  
UNIT!: This product, when installed as indicated in the  
instructions contained in this manual, meets FCC  
requirements. Modifications not expressly approved by  
Vocopro may void your authority, granted by the FCC,  
to use this product.  
1. To ensure the finest performance, please read this  
manual carefully. Keep it in a safe place for future reference.  
2. Install your unit in a cool, dry, clean place - away from  
windows, heat sources, and too much vibration, dust,  
moisture or cold. Avoid sources of hum (transformers, v  
motors). To prevent fire or electrical shock, do not expose to  
rain and water.  
2. IMPORTANT: When connecting this product to  
accessories and/or another product use only high  
quality shielded cables. Cable(s) supplied with this  
product MUST be used. Follow all installation  
instructions. Failure to follow instructions could void your  
FCC authorization to use this product in the U.S.A.  
3. Do not operate the unit upside-down.  
3. NOTE: This product has been tested and found to  
comply with the requirements listed in FCC Regulations,  
Part 15 for Class "B" digital devices. Compliance with  
these requirements provides a reasonable level of  
assurances that your use of this product in a residential  
environment will not result in harmful interference with  
other electronic devices. This equipment  
generates/uses radio frequencies and, if not installed  
and used according to the instructions found in the  
owner's manual, may cause interference harmful to the  
operation of other electronic devices. Compliance with  
FCC regulations does not guarantee that interference  
will not occur in all installations. If this product is found  
to be the source of interference, which can be  
determined by turning the unit "Off" and "On", please try  
to eliminate the problem by using one of the following  
measures:  
4. Never open the cabinet. If a foreign object drops into the  
set, contact your dealer.  
5. Place the unit in a location with adequate air circulation.  
Do not interfere with its proper ventilation; this will cause the  
internal temperature to rise and may result in a failure.  
6. Do not use force on switches, knobs or cords. When  
moving the unit, first turn the unit off. Then gently disconnect  
the power plug and the cords connecting to other  
equipment. Never pull the cord itself.  
7. Do not attempt to clean the unit with chemical solvents:  
this might damage the finish. Use a clean, dry cloth.  
8. Be sure to read the "Troubleshooting" section on common  
operating errors before concluding that your unit is faulty.  
Relocate either this product or the device that is being  
affected by the interference.  
9. This unit consumes a fair amount of power even when the  
power switch is turned off. We recommend that you unplug  
the power cord from the wall outlet if the unit is not going to  
be used for a long time. This will save electricity and help  
prevent fire hazards. To disconnect the cord, pull it out by  
grasping the plug. Never pull the cord itself.  
Use power outlets that are on different branch (circuit  
breaker or fuse) circuits or install AC line filter(s).  
In the case of radio or TV interference, relocate/reorient  
the antenna. If the antenna lead-in is 300-ohm ribbon  
lead, change the lead-in to coaxial type cable.  
10. To prevent lightning damage, pull out the power cord  
and remove the antenna cable during an electrical storm.  
If these corrective measures do not produce satisfactory  
results, please contact your local retailer authorized to  
distribute Vocopro products. If you can not locate the  
appropriate retailer, please contact Vocopro, 1728  
Curtiss Court, La Verne, CA 91750.  
11. The general digital signals may interfere with other  
equipment such as tuners or receivers. Move the system  
farther away from such equipment if interference is  
observed.  
NOTE:  
Please check the copyright laws in your country  
before recording from records, compact discs,  
radio, etc. Recording of copyrighted material may  
infringe copyright laws.  
CAUTION  
Voltage Selector (General Model Only)  
The apparatus is not disconnected from the AC power  
source so long as it is connected to the wall outlet,  
even if the apparatus itself is turned off. To fully insure  
that the apparatus is indeed fully void if residual power,  
leave unit disconnected from the AC outlet for at least  
fifteen seconds.  
Be sure to position the voltage selector to match the  
voltage of your local power lines before installing the  
unit.  
240V  
120V  
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Welcome...  
And Thank you for purchasing the DVD-DUET from VocoPro, your ultimate choice in  
Karaoke entertainment! With years of experience in the music entertainment business,  
VocoPro is a leading manufacturer of Karaoke equipment, and has been providing  
patrons of bars, churches, schools, clubs and individual consumers the opportunity to  
sound like a star with full-scale club models, in-home systems and mobile units. All our  
products offer solid performance and sound reliability, and to reinforce our commitment  
to customer satisfaction, we have customer service and technical support professionals  
ready to assist you with your needs. We have provided some contact information for  
you below.  
VocoPro  
1728 Curtiss Court  
La Verne, CA 91750  
Toll Free: 800-678-5348  
TEL: 909-593-8893  
FAX: 909-593-8890  
VocoPro Company Email Directory  
Customer Service & General Information  
Tech Support  
Remember Our Website  
Be sure to visit the VocoPro website www.vocopro.com for the latest information on  
new products, packages and promos. And while you're there don't forget to check out  
our Club VocoPro for Karaoke news and events, chat rooms, club directories and even  
a KJ Service directory!  
We look forward to hearing you sound like a PRO, with VocoPro, your ultimate choice in  
Karaoke entertainment.  
FOR YOUR RECORDS  
Please record the model number and serial number below, for easy reference, in case of loss or theft. These  
numbers are located on the rear panel of the unit. Space is also provided for other relevant information  
Model Number  
Serial Number  
Date of Purchase  
Place of Purchase  
5
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Listening For A Lifetime  
Selecting fine audio equipment such as the unit you've just purchased is only the start of your musical enjoyment. Now it's  
time to consider how you can maximize the fun and features your equipment offers. VocoPro and the Electronic Industries  
Association's Consumer Electronics Group want you to get the most out of your equipment by playing it at a safe level.  
One that lets the sound come through loud and clear without annoying blaring or distortion and, most importantly, without  
affecting your sensitive hearing.  
Sound can be deceiving. Over time your hearing 'comfort level' adapts to a higher volume of sound. So what sounds  
'normal' can actually be loud and harmful to your hearing. Avoid this by setting your equipment at a safe level BEFORE  
your hearing adapts.  
To establish a safe level:  
• Start with your volume control at a low setting.  
• Slowly increase the sound until you can hear it comfortably and clearly, and without  
distortion.  
Once you have established a comfortable sound level:  
• Set the dial and leave it there.  
• Pay attention to the different levels in various recordings and adjust when necessary.  
Taking a minute to do this now will help to prevent hearing damage or loss in the future. After all, we want you listening for  
a lifetime.  
Used wisely, your new sound equipment will provide a lifetime of fun and enjoyment. Since hearing damage from loud  
noise is often undetectable until it is too late, this manufacturer and the Electronic Industries Association's Consumer  
Electronics Group recommend you avoid prolonged exposure to excessive noise. This list of sound levels is included for  
your protection.  
Some common decibel ranges:  
Level  
Example  
30  
40  
50  
60  
70  
80  
Quiet library, Soft whispers  
Living room, Refrigerator, Bedroom away from traffic  
Light traffic, Normal Conversation  
Air Conditioner at 20 ft., Sewing machine  
Vacuum cleaner, Hair dryer, Noisy Restaurant  
Average city traffic, Garbage disposals, Alarm clock at 2 ft.  
The following noises can be dangerous under constant exposure:  
Level  
Example  
90  
Subway, Motorcycle, Truck traffic, Lawn Mower  
Garbage truck, Chainsaw, Pneumatics drill  
Rock band concert in front of speakers  
Gunshot blast, Jet plane  
100  
120  
140  
180  
Rocket launching pad  
-Information courtesy of the Deafness Research Foundation  
6
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Things to Consider  
Before Getting Started:  
It is very important to read the following instructions prior tofirst use of you DVD-DUET. Doing so will ensure proper operation and may save you  
some time as well.  
Protect Against Power Surges  
• Connect all external components before you plug any of their power cords into the wall outlet.  
• Turn off the DVD-Duet before you connect or disconnect any cables.  
• Make sure all cables are properly grounded.  
Protect Components from Overheating  
• Don’t block ventilation holes. Arrange any components so that air can circulate freely.  
• Don’t stack components.  
• If you place the DVD-Duet on a stand, make sure you allow adequate ventilation.  
Position Cables Properly to Avoid Audio Interference  
• Insert each cable firmly into the designated jack.  
• If you place components above the DVD-DUET, route all cables down the side of the back of the  
DVD-DUET instead of straight down the middle of the back of the DVD-DUET.  
Important Stand and Base Safety Information  
Choose the location for your DVD-DUET carefully. If the DVD-DUET is placed on a stand or base, ensure that it is of adequate size and strength to  
prevent it from being accidentally tipped over, pushed off, or pulled off. This could cause personal injury and/or damage to the DVD-DUET.  
You should have received the following items:  
ITEMS:  
DVD-DUET  
SEMI-PRO Microphones  
Microphone Cables  
RCA Patch cable  
Remote Control  
QUANTITY:  
(1)  
(2)  
(2)  
(1)  
(1)  
5-BAND STEREO EQUALIZER  
TUNING  
POWER MULTI FORMAT DIGITAL KARAOKE SYSTEM  
1
2
DVD  
STAND BY  
DVD  
DIGEST  
SET UP  
TITLE  
SUB-T  
P/N  
AUDIO  
ANGLE  
MUTE  
GOTO  
PBC OFF  
DISPLAY  
ENTER  
VOL  
L/R  
2
KEY  
1
5
3
4
8
6
0
7
9
10  
A-B  
CLEAR  
STEP  
SLOW  
REPEAT  
SHUFFLE  
RESUME PROGRAM  
ZOOM  
7
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Front Panel Descriptions  
1. POWER - Press to turn the system ON, press again  
and release to turn the system OFF.  
13  
5
2. CASSETTE CONTROLS.  
RECORD - Press to RECORD. Refer to “Recording  
Cassettes”.  
PLAY – Press to PLAY tape. Refer to “Playing  
Cassettes”.  
REW/REV – Press to REWIND tape.  
FF/CUE – Press to rapidly ADVANCE tape.  
STOP/EJECT – Press to STOP cassette. (Cancels  
any depressed cassette button except PAUSE).  
Press again to OPEN cassette door.  
4
5-BAND STEREO EQUALIZER  
TUNING  
3
1
POWER  
MULTI FORMAT DIGITAL KARAOKE SYSTEM  
1
2
PAUSE – Press to temporarily PAUSE the tape  
movement in PLAY or RECORD MODE. Press  
and release to start the tape moving again.  
2
6
12  
3. GRAPHIC EQUALIZER - Adjust these controls  
to provide the sound quality that you prefer. Refer to  
“Audio Controls.”  
11  
10  
8
7
9
4. FUNCTION SELECTIONS – Select the INPUT  
source by sliding knob to choose the desired function.  
AM – for AM reception.  
FM – for FM reception.  
TAPE – for cassette operation.  
DISC – for all disc operation.  
5. TUNING – Turn the knob to choose the AM or FM  
station you want.  
6. MIC 1 INPUT – Connect 1/4” microphone cable here.  
7. MIC 1 VOL – Turn clockwise to increase volume control and counter-clockwise to decrease.  
8. MIC 2 VOL - Turn clockwise to increase volume control and counter-clockwise to decrease.  
9. MASTER VOL – Adjust the control for desired VOLUME level. Turn clockwise to increase and counter-clockwise to decrease.  
10. DIGITAL ECHO – Adjust the control for desired ECHO efffect level. Turn clockwise to increase and counter-clockwise to decrease.  
11. BALANCE – Adjust the control for desired MUSIC /VOCAL and LEFT/RIGHT balance/. Turn clockwise to send balance to right channel and  
counter-clockwise to send balance to left channel.  
12. MIC 2 INPUT – Connect 1/4” microphone cable here.  
DISC CONTROLS  
13, PLAY/PAUSE - Press button to initiate disc playback. To stop disc playback momentarily, press PLAY/PAUSE again. With DVDs and other  
video discs, the scene in which you paused remains on-screen. To resume playing the disc, press the PLAY/PAUSE button again.  
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Front Panel Descriptions  
DISC CONTROLS CONTINUED  
15  
14. STOP - Press once to put player on standby in  
“PRE-STOP” mode. With DVDs, VCDS and other video  
discs, this standby STOP mode will not send disc output  
to your monitor (VocoPro screen will appear instead),  
until PLAY is pressed to resume playback. With  
16  
19  
14  
17  
18  
20  
5-BAND STEREO EQUALIZER  
TUNING  
many types of discs, playback will resume at the point  
when PRE-STOP was initiated. Pressing STOP again will  
completely stop the player without saving a time marker.  
With some CDGs, STOP completely cancels playback.  
POWER  
MULTI FORMAT DIGITAL KARAOKE SYSTEM  
1
2
15. F.F.____- To advance the CD to the beginning of  
the next track, press and release this button. Continue  
pressing to advance to subsequent tracks.  
16. REW____- To reverse the CD to the beginning of  
the last track, press and release the button. The  
player will skip back to the beginning of the track.  
Continue pressing the button if you want to REWIND  
to the beginning of previous tracks.  
17. REPEAT– Press the REPEAT button once and  
the REPEAT symbol (  
) will appear on the disc display. The  
disc player will repeat the track currently playing until the  
STOP button is pressed. If you want to repeat play of an  
entire disc indefinitely, press the REPEAT button twice and  
the “ALL” will light on the display next to the REPEAT  
symbol. The player will repeat playing the disc continuously  
until the STOP button is pressed.  
18. DISPLAY – Press DISPLAY button to display the track  
number that is playing, elapsed time, number of  
remaining tracks, and duration of disc that is being played.  
19. MULTIPLEX – Switch between STEREO, MONO L or MONO R output with MULTIPLEX media for adding/removing guide vocals.  
20. DIGITAL KEY CONTROLLER – Raises or lowers the key of the disc output in half-step increments without changing the tempo to  
match the natural range of your singing voice. Operate by pushing the desired + (UP/#/SHARP) or - (DOWN/b/FLAT) while disc is playing, until  
the desired key is reached. Pressing the center square button will return music to it’s original or “NATURAL” key.  
NOTE : Key Controller is inoperable when AM, FM or TAPE is selected.  
21. REMOTE CONTROL SENSOR  
15 ft  
9
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Rear/Top Panel Descriptions  
23  
AUDIO  
OUT  
COMPONENT VIDEO OUT  
Y
Cb  
Cr  
22  
L
25  
30  
FM ANTENNA  
300  
R
28  
29  
MUSIC  
ONLY  
COAXIAL  
VIDEO  
S-VIDEO  
OPTICAL  
L
R
OUTPUT  
MIC  
AUDIO  
27  
26  
MUSIC  
+
21  
21. OPEN/CLOSE – Press the OPEN/CLOSE point  
to open the CD compartment. Close CD  
compartment by pressing this button again.  
22. FM ANT TERMINAL – Connect the FM  
ANTENNA wire for optimal reception.  
24  
23. COMPONENT VIDEO OUTPUT – Connect jack to  
component VIDEO IN of TV.  
31  
24. AC CORD – Plug AC power cord into compatible AC  
wall outlet.  
WARNING: PLUGGING THIS UNIT INTO AN AC OUTLET WITH A POWER RATING DIFFERENT  
FROM THAT SELECTED ON THE VOLTAGE SELECTOR CAN SEVERELY DAMAGE THE UNIT, AND  
MAY VOID YOUR PRODUCT WARRANTY.  
25. S-VIDEO-CONNECT Jack to S-VIDEO-IN of your TV  
26. VIDEO OUTPUT- Connect to standard VIDEO-IN on TV  
27. COAXIAL- Connect to DOLBY DIGITAL AC-3 or DTS reciever/decoder  
28. OPTICAL– Use this jack only when AC power is not available. Be sure to use a UL or CE approved car adapter  
or a UL or CE approval AC/DC adapter.  
29.AUDIO PRE-OUT – NTSC/PAL system select switch. Switch to NTSC for U.S. TV systems. Switch to PAL for European TV  
systems.  
30. DVD AUDIO OUTPUT – Connect this jack to the AUX input or CD input of your home audio system. The DVD player can be  
listened to through your own stereo system or larger external system.  
31. VOLTAGE SELECTOR– Selects between 120V-240V power settings. Ensure that the Voltage Selector is set to match the  
power rating of your AC outlet before powering on the unit. Select 120V for North American-based power settings and 240V for  
European-based power settings.  
10  
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Remote Operations  
2
3
10 Enables/disables PBC (playback control) mode. If PBC is ON,  
you have direct access to tracks/scenes by using NUMBER pad with  
compatible discs only. If discs are incompatible with this feature,  
pressing PBC button will cause disc playback to stop and restart.  
11 Selects On Screen DISPLAY language or TRACK/TIME infor-  
mation depending on disc type and disc options  
4
1
DVD  
STAND BY  
DVD  
DIGEST  
SET UP  
TITLE  
5
6
7
8
P/N  
AUDIO  
SUB-T  
ANGLE  
MUTE  
12 To MUTE all audio output  
13 To FAST REVERSE a TRACK/SCENE. Press  
repeatedly to increase speed 2X, 4X, 8X up to 20X  
14 To FAST FORWARD a TRACK/SCENE. Press  
repeatedly to increase speed 2X, 4X, 8X, up to 20X  
15 DIRECTION keys for navigating through menus  
16 ENTER to confirm menu selections  
9
GOTO  
PBC OFF  
DISPLAY  
10  
11  
13  
12  
14  
15  
ENTER  
16  
17  
18  
17 To TRACK REVERSE to previous TRACK/SCENE  
18 To go TRACK FORWARD to next TRACK/SCENE  
19 Disc PLAY, PAUSE and STOP function keys. When a DVD is  
stopped, the VocoPro screen appears and player first enters  
PRE-STOP mode, allowing playback at the same point when PLAY or  
RESUME (see #30) is pressed. Pressing STOP again will cancel this  
standby mode and completely stop the disc player.  
20 VOLUME controls + (up) /- (down) for disc audio output  
21 L/R key selects between MONO L/R (duplicates either side in  
both channels) for use with Multiplex media or STEREO audio output  
for standard  
22 KEY CONTROL allows you to adjust source music 12 steps +  
(#) or - (b) from Natural ( ) note  
23 Disc program/track selection NUMBER PAD; For double-  
digit track numbers, use +10 key plus addition numeral where  
applicable.  
VOL  
20  
21  
22  
19  
KEY  
L/R  
1
5
2
3
4
8
6
0
7
23  
24  
25  
26  
27  
CLEAR  
STEP  
9
10  
A-B  
SLOW  
REPEAT  
29  
30  
31  
SHUFFLE  
RESUME PROGRAM  
ZOOM  
28  
32  
24 To CLEAR selections made in menus  
25 Allows you to SLOW playback speed 1/2, 1/3, 1/4, 1/5, 1/6 up  
to 1/7 of original speed  
26 You can choose REPEAT 1 track or REPEAT ALL tracks  
using this button.  
27 A-B is used to repeat a specific portion of a disc as a loop for  
pratice or fun. Press A-B once to select starting point, then press  
A-B again to set end point of your loop. The loop you have created  
willplay indefinitely until you press A-B a final time to cancel.  
28 STEP allows you to pause view and advance frame-by-frame for  
detailed viewing.  
29 With SHUFFLE, you can toggle RANDOM ON/OFF.  
30 To RESUME playback after PRE-STOP/standby mode (see #19)  
31 To PROGRAM CHAPTERS or TRACKS for playback; With  
videos, enter TITLE:CHAPTER(s) desired using DIRECTION keys and  
NUMBER PAD, then arrow down to PLAY and press ENTER. For  
audio, enter TRACK numbers in order desired.  
1 DVD STANDBY will return to the beginning of disc and  
until hold until button is released released  
2 Displays SYSTEM SETUP menu  
3 TITLE manual select for DVDs  
4 With DVDs, returns to main DVD DIGEST menu  
5 P/N toggles between PAL and NTSC video formats  
6 With DVDs, selects SOUNDTRACK mode  
7 SUB-T displays SUBTITLES menu for selection  
8 ANGLE selects between different viewing angles with  
compatible discs for theatrical performances, sports events or  
other live recordings  
9 GOTO is used to input CHAPTER, SCENE or TIME with DVDs  
32 Allows you to ZOOM 2X, 3X, 4X, 1/2, 1/3, or 1/4 the size of  
original picture  
11  
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Audio Controls  
Graphic EQ Settings  
After choosing the program source you want; adjust the GRAPHIC EQUALIZER controls as follows:  
1. Adjust the VOLUME control for the desired listening level.  
2. Set the GRAPHIC EQUALIZER controls to match the sound characteristics of your listening room. With each of the five controls of the GRAPHIC  
EQUALIZER, it is possible to control a narrow, distinct section of the audio band by up to +/-10dB. The frequency bands controlled by the slide  
controls have been chosen to give you the best possible control action within the audio spectrum.  
100 Hz -Is very useful for enhancing low bass notes (as in organ music, kick drum, etc.) or making corrections when a deficiency in bass exists. Or  
you can use this to reduce rumble, acoustic feed back, and other low frequency aberrations.  
300 Hz -Will allow you to vary the upper bass frequencies. An over-accentuated, upper bass will give a muddy, boom quality to music while the  
system shy of upper bass will sound hollow and thin.  
1 kHz - Lies in range of frequencies where the ear is most sensitive to tonal balance. This is often called “presence”, since adjusting this control brings  
the vocalist out to the front or back into ensemble.  
3. 3 kHz-Speaker designers often boost output in this range to effect a quality of presence to the music. Too much energy on the other hand, sounds  
overbearingly harsh and stringent.  
10 kHz -Adjustment affects the brilliance of music with too much boosts in high frequencies (can be an unpleasant and piercing quality). You may use  
this to add a little more dimension to the high-shelf sound or use it as a very high frequency noise filter.  
Using Your Radio  
AM or FM - Press the POWER button ON. Slide the FUNCTION SELECTOR to AM or FM. Rotate the tuning knob to the desired listening station.  
Cassette Handling  
Operating Tips  
1. High quality tapes will give you better recordings. Tapes of the following types are suggested: Low noise, high density, high output or extended  
range with a play or record time up to 90 minutes.  
NOTE: Cassette with a time of 120 minutes (C120) are not recommended because they contain thinner and longer tapes which are more likely  
to jam or tangle in the player/recorder.  
2. For best results in playing or recording, it is necessary for the head to be clean. Refer to cleaning instructions. Keep cassettes away from  
excessive heat or cold.  
3. If the tape is loose in the cassette, tighten it before putting it in.  
(Fig. 1)  
To do so, put a pencil into the hub and turn it to the right  
(Shown in Fig. 1)  
4. A leader tape begins each side of a cassette. You cannot play or  
record on this part of the tape. You have to let the tape run for  
about five seconds so this leader tape is past the heads.  
NOTE: When you start the tape, be sure the tape take–up reel is moving.  
If the reel is not moving stop the machine at once; if you don’t the tape could become tangled in the player/recorder. If this does hap  
pen, carefully remove the cassette and correct it as shown above.  
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Cassette Deck Operations  
Follow the steps bellow for any tape deck operations:  
1. Press the POWER switch ON.  
2. Slide the FUNCTION SELECTOR to TAPE.  
3. Press the STOP/EJECT button, the cassette door will open.  
4. Put the cassette into the holder, open end down, and gently close the cassette door.  
5. Press the PLAY button. The system will play the cassette till the end of that side is reached. To play the other side, hit the STOP/EJECT button and  
remove the cassette, turn it around and put it back in, close the door and press the PLAY button.  
Extended play  
Extended listening is possible by using the two cassette decks as follows:  
1. Press the POWER switch ON.  
2. Slide the FUNCTION knob to TAPE.  
3. Load a cassette into both decks.  
4. First, press the PLAY button on the Deck 2, and then press the PAUSE and PLAY buttons on Deck 1(in that order). Deck 2 will play its cassette first  
and stop at its end, at that time, Deck 1 will automatically begin playback.  
Recording Cassettes  
1. Press the POWER button ON.  
2. Select your master source signal to be recorded by sliding the FUNCTION SELECTOR control to AM, FM, CD or TAPE. You will (though internal  
connections) record the source you are listening to. The recording level is not affected by the master volume control.  
3. Press the STOP/EJECT button on the Deck 1; the cassette door will open.  
4. Put the cassette into the holder open the end down and gently close the cassette door.  
5. With a partially recorded tape, use the FAST FORWARD and REWIND controls to find your starting point.  
6. Remember to advance past the leader when using a new tape.  
7. Press the PAUSE button.  
8. Press the RECORD button firmly.  
9. When you are ready to start your recording, press and release the PAUSE button.  
10. The system will record the entire cassette and shut off unless you desire to stop it by pressing the STOP/EJECT or PAUSE button.  
11. Press the PAUSE button to stop the tape for a time while you change your recording selection, cue a record or retune a radio station. Press and  
then release PAUSE when you are ready to continue recording.  
12. While you are recording, you may monitor the program by listening to the speakers. Adjust the VOLUME control for your best listening level. It will  
not affect the record level.  
Sync Dubbing  
1. Press the POWER button ON.  
2. Press the STOP/EJECT button; the cassette door will open.  
3. Load a blank tape into Deck 1. Gently close the cassette door. First press PAUSE, and then press RECORD.  
4. Load the tape to be copied into Deck 2. Gently close the cassette door.  
5. Press the PLAY button on Deck 2. The PAUSE button on Deck 1 will release and recording will begin.  
Adjusting CD/Tape Playback Speeds  
If you desire to either slow down or speed up playback of a track on a CD or cassette, you simply need to adjust the CD/TAPE PITCH control. To slow  
down playback, turn the control counter-clockwise towards SLOW. To speed up playback, turn the control clockwise towards FAST.  
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Cassette Tape/Deck Maintenance  
Erase Protection  
Every cassette can be protected against accidental erasing of  
pre-recorded material. On the back of a cassette are two  
breakout tabs. These must be in place before the RECORD  
button will depress. If these tabs have been removed,  
such as on pre-recorded cassette you buy, the RECORD  
button will not depress. To record using a cassette which  
has the breakout tabs removed, place a piece of tape over  
the exposed holes, this will allow the interlocking device  
to engage  
Far Side 1(A)  
Near Side 2(B)  
Break tab  
Once you have made a recording, you can prevent an accidental erasing by breaking out and removing the tabs. With side 1(A) facing you, erasing is  
prevented by breaking out the tab on the right, and side 2(B) by the tab on the left (see drawing).  
Cleaning  
To prevent fire or shock hazard, disconnect your stereo system from the AC power plug when cleaning.  
• The finish on our stereo may be cleaned with a dust cloth and cared for as other furniture. Be careful when cleaning and wiping the plastic parts.  
Mild cleaners, such as dishwashing detergent, with dampened (not wet) cloth may be used on the front panel.  
Tape Deck Cleaning  
• To get the best sound from your tapes, the pressure roller, capstan, play/record and erase heads should be cleaned regularly. The build up of  
iron oxide particles is often severe with inferior tapes and will reduce the performance or the system. After every 100 hours of use, or more often if  
playback has become poor, clean the play/record and erase heads, capstan and pressure roller. To clean them, wipe dry with a soft, clean cloth.  
Cassette Record/Playback  
Cassette Playback  
Erase  
Head  
Pressure  
Roller  
Tape  
Guard  
Pressure  
Roller  
Play/Record  
Head  
Capstan  
play  
head  
Capstan  
NOTE: Never use any metal objects on or near the tape head. Do not allow any cleaning material to fall into tape assembly. Do not use carbon tetra-  
chloride as a cleaning agent..  
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Getting Connected to External Components  
AUDIO  
OUT  
COMPONENT VIDEO OUT  
Connecting to an analog amplifier/  
2-channel stereo receiver/mixer  
Y
Cb  
Cr  
L
Using the supplied RCA patch cable, connect  
one set of red & white RCA plugs to the RCA  
AUDIO OUTPUT jacks on the DVD-DUET  
Connect the other set of red & white RCA  
plugs to the AUDIO INPUT jacks on your  
stereo receiver/TV. Depending on the stereo  
receiver/TV, the audio input jacks may be  
labeled AUDIO, LINE, AUX, VIDEO 1/2/3.  
R
MUSIC  
ONLY  
COAXIAL  
VIDEO  
S-VIDEO  
OPTICAL  
MUSIC + MIC  
L
R
AUDIO  
OUTPUT  
Stereo Channel  
Stereo receiver/TV  
AUDIO  
OUT  
COMPONENT VIDEO OUT  
Y
Cb  
Cr  
L
R
MUSIC  
ONLY  
COAXIAL  
VIDEO  
S-VIDEO  
OPTICAL  
MUSIC + MIC  
Connecting to a TV with an RCA Connection  
Using either the yellow-ended RCA plug from the included RCA patch cable or a separate RCA patch cable,  
connect one end to the RCA VIDEO OUTPUT jack on the DVD-DUET and connect the other end to the VIDEO  
INPUT jack on our TV or monitor device.  
AUDIO  
OUT  
COMPONENT VIDEO OUT  
Y
Cb  
Cr  
L
R
MUSIC  
ONLY  
COAXIAL  
VIDEO  
S-VIDEO  
OPTICAL  
MUSIC + MIC  
L
R
AUDIO  
OUTPUT  
Connecting to a TV with an RF Modulator  
If your TV has only a RF-style Jack, such as Antenna In or 75 ohm, and no RCA video input jack, you can  
connect video with a RF modulator (not supplied). Ask your dealer for details on RF modulator availability and  
compatibility. Follow the instructions provided with the RF modulator to connect the DVD-DUET to your TV.  
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Getting Connected to External Components  
AUDIO  
OUT  
COMPONENT VIDEO OUT  
Y
Cb  
Cr  
L
R
MUSIC  
ONLY  
COAXIAL  
VIEO  
S-VIDEO  
OPTICAL  
MUSIC + MIC  
L
R
AUDIO  
OUTPUT  
VIDEO OUT  
VIDEO IN  
Connecting to a TV with a VCR  
You can also use a VCR to connect video to a TV with no RCA video input. You will need an RCA cable and  
a 75-ohm Coaxial type cable. Using the RCA video cable, connect one end to the VIDEO OUTPUT jack on  
the DVD-DUET and connect the other end of the cable to the VIDEO INPUT of a VCR. Then, using the 75-  
ohm Coaxial type cable, connect one end to the RF OUTPUT of the VCR, and connect the other end to the  
75-ohm TV ANTENNA INPUT jack.  
AUDIO  
OUT  
COMPONENT VIDEO OUT  
Y
Cb  
Cr  
L
R
MUSIC  
ONLY  
COAXIAL  
VIDEO  
SO  
OPTICAL  
MUSIC + MIC  
L
R
OUTPUT  
S-VIDEO IN  
Connecting to a TV with S-Video  
Using an S-Video cable, connect one end to the DVD-DUET’s S-VIDEO OUTPUT jack and connect the other  
end to the S-VIDEO IN jack on your television. See the Video preferences directions under System Setup  
mennu to select video output  
AUDIO  
OUT  
MPONDEO O
C
Cr  
L
COMPONENT VIDEO  
R
MUSIC  
ONLY  
COAXIAL  
VIDEO  
S-VIDEO  
OPTICAL  
MUSIC + MIC  
L
R
AUDIO  
OUTPUT  
Connecting to a TV with Component Video  
Using 3 appropriate Component Video cables (usually color coded red, blue and green), connect a set of  
plugs to the COMPONENT VIDEO OUT jacks (Y Cb Cr) on the DVX-680K and plug the other set of plugs to  
your COMPONENT VIDEO IN jacks (Y Cb Cr) on your television. On some TVs the component video input  
jacks may be labeled (Y Pb Pr). See the Video preferences directions under System Setup menu to select  
video output.  
16  
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Getting Connected to External Components  
AUDIO  
OUT  
MPONDEO OU
C
C
L
R
MUSIC  
ONLY  
COAXIAL  
VIDEO  
S-VIDEO  
OPTICAL  
MUSIC + MIC  
L
R
AUDIO  
OUTPUT  
Connecting to a HDTV or video monitor  
To connect video to a HDTV you can use the same connections as for TV with Component Video. See Video  
preferences under System Setup menu for selecting video output type.  
AUDIO  
OUT  
COMPONENT VIDEO OUT  
Y
Cb  
Cr  
L
R
MUSIC  
ONLY  
COAIAL  
VIDEO  
S-VIDEO  
OPTICAL  
MUSIC + MIC  
DTS  
L
R
AUDIO  
OUTPUT  
Receiver/Decoder  
-or-  
Connecting to a DTS Receiver/Decoder  
Using either an RCA type COAXIAL cable for digital audio or an OPTICAL cable, connect one end to the re-  
specitve Coaxial or Optical jack of the DUET and the other end to the appropriate jack on the DTS receiver. If  
you have both coaxial and optical inputs on your DTS decoder/receiver, it is recommended to use an optical  
connection as those cables eliminate the possibility of Electromagnetic Interference.  
AUDIO  
OUT  
COMPONENT VIDEO OUT  
Y
Cb  
Cr  
L
R
MUSIC  
ONLY  
COIAL  
VIDEO  
S-VIDEO  
OPTICAL  
MUSIC + MIC  
Dolby Digital AC-3  
Receiver/Decoder  
L
R
AUDIO  
OUTPUT  
-or-  
Connecting to a Dolby Digital AC-3 Receiver/Decoder  
Using either an RCA type COAXIAL cable for digital audio or an OPTICAL cable, connect one end to the re-  
specitve Coaxial or Optical jack of the DUET and the other end to the appropriate jack on the DTS receiver. If  
you have both coaxial and optical inputs on your DTS decoder/receiver, it is recommended to use an optical  
connection as those cables eliminate the possibility of Electromagnetic Interference.  
AUDIO  
OUT  
COMPONENT VIDEO OUT  
Y
Cb  
Cr  
L
R
MUSIC  
ONLY  
COAXIAL  
VIDEO  
S-VIDEO  
OPTICAL  
MUSIC + MIC  
Dolby DTS/  
L
R
AUO  
OUUT  
AC-3 Receiver  
and  
Connecting both Analog and Digital Audio  
To do this you will need a Dolby Digital DTS/AC-3 receiver with analog audio inputs. Use optical for  
video and digital audio and L/R RCA audio for Karaoke features.  
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System Setup Menu  
SYSTEM SETUP MENU  
To access your preferences settings, use the SETUP button on your  
remote. Use the DIRECTION keys to navigate within this menu for the  
specific subdirectory desired and press ENTER. The icon file tabs at the  
top of the screen indicate which menu is highlighted.  
SYSTEM SETUP  
TV SYSTEM  
SCREENSAVER  
VIDEO  
TV TYPE  
PASSWORD  
RATING  
DEFAULT  
1. TV SYSTEM  
EXIT SETUP  
Use this menu to set your system preferences for regional TV system  
types NTSC, PAL60, PAL, or AUTO to have your DVD-DUET automatically  
find any compatible TV system.  
SYSTEM SETUP SCREEN  
2. SCREEN SAVER  
TV SYSTEM  
SCREENSAVER  
VIDEO  
NTSC  
PAL 60  
The DVD screen saver can be toggled ON/OFF to suit your preference for  
display during periods of player inaction when power remains on. Use  
DIRECTION keys to make your selection.  
PAL  
AUTO  
TV TYPE  
PASSWORD  
RATING  
DEFAULT  
EXIT SETUP  
3. VIDEO  
TV SYSTEM  
Refer to your TV manual to determine which type of video it supports.  
You can choose between  
INTERLACE-YUV, TV-RGB, P-SCAN YPBPR or S-VIDEO.  
TV SYSTEM  
SCREENSAVER  
VIDEO  
4. TV TYPE  
INTERLACE-YUV  
TV-RGB  
This menu actually refers to TV display mode. Choose between 4:3PS for  
Panoramic Screen, 4:3LB for Letterbox, or 16:9 based on your viewing  
preference.  
TV TYPE  
P-SCAN YPBRP  
S-VIDEO  
PASSWORD  
RATING  
DEFAULT  
EXIT SETUP  
VIDEO  
5. PASSWORD  
The password to lock or unlock RATING setting is 0000. If you are a  
parent and want to limit the types of DVDs viewed with the DVD-DUET,  
type this password using the NUMBER keys on the remote, and press  
ENTER. You will see the padlock icon either open or close, affecting the  
ability of the user to make a selection in the RATING mode.  
TV SYSTEM  
SCREENSAVER  
VIDEO  
TV TYPE  
4:3 PS  
4:3 LB  
PASSWORD  
RATING  
16:9  
DEFAULT  
6. RATING  
EXIT SETUP  
Choose between NO ADULT, KID SAFE, or VIEW ALL to designate which  
types of DVDs you want users to be able to access playback for.  
TV TYPE  
7. DEFAULT  
Select this mode if you choose to return to all system preferences DE-  
FAULT settings.  
TV SYSTEM  
SCREENSAVER  
VIDEO  
TV TYPE  
PASSWORD  
RATING  
8. EXIT SETUP  
NO ADULT  
KID SAFE  
DEFAULT  
Highlight this option and press ENTER at any time to exit these menus  
VIEW ALL  
EXIT SETUP  
and return to previous  
operations  
RATING  
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Language Setup, Audio Setup, Video Settings  
LANGUAGE SETUP  
Use this menu to set language preferences for each of these functions.  
Use the DIRECTION keys to make a selection and press ENTER to confirm  
your choice.  
1. OSD (On Screen Display) LANGUAGE for remote functions, etc.  
Choose between English or Chinese.  
2. AUDIO LANGUAGE. This feature is dependent on the options  
included with each individual disc. Choose from the list provided.  
3. SUBTITLE LANGUAGE. This feature is dependent on the options  
included with each individual  
LANGUAGE SETUP  
OSD LANGUAGE  
AUDIO LANGUAGE  
SUBTITLE LANGUAGE  
MENU LANGUAGE  
EXIT SETUP  
disc. Choose from the list provided.  
4. MENU LANGUAGE. This feature is dependent on the options  
included with each individual disc. Choose from the list provided.  
LANGUAGE SETUP SCREEN  
AUDIO SETUP  
1. AUDIO OUT  
AUDIO SETUP  
With the DVD-DUET, you can output standard analog audio simultane-  
ous with digital output by using the RCA L/R outputs and Coaxial output.  
When connecting the DVD-DUET to an external sound system with digital  
inputs, choose between a) SPDIF/OFF to completely bypass digital audio,  
SPDIF/RAW for Dobly 5.1 or SPDIF/PCM for digital, high fidelity stereo  
(2-channel) output depending on your external audio components and  
connections.  
AUDIO OUT  
KEY  
SPDIF/OFF  
SPDIF/RAW  
SPDIF/PCM  
AUDIO OUT  
2. KEY CONTROL  
This feature functions exactly the same as the KEY CONTROL buttons on  
the remote control, but with a virutal vertical “fader” instead of a left-right  
display. Use the DIRECTION keys to locate the fader bar, raise (#/sharp) or  
lower (b/flat) the output of the disc in half-step increments.  
VIDEO SETUP  
BRIGHTNESS  
CONTRAST  
HUE  
VIDEO SETUP  
SATURATION  
Use the DIRECTION keys to locate the virtual fader and raise/lower the  
fader bar for each of the following video preference settings:  
1. BRIGHTNESS  
2. CONTRAST  
3. HUE  
VIDEO SETUP  
4. SATURATION  
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Troubleshooting  
If your stereo system fails to operate, carefully read these instructions. Many problem situations are caused by improper use. Listed below are the most  
common ones.  
Problems  
Solutions  
Power switched on, but no sound and no light on the  
POWER LED.  
Connect AC correctly.  
Old wall-outlets sometimes cause power loss Plug  
must fit snugly in outlet.  
Poor AC power plug connection to wall outlet.  
The POWER LED system is on but no sound  
Poor FM reception  
Adjust the VOLUME control to a proper sound  
level.  
Move antenna wire around to obtain best reception.  
VOLUME control is at “0 “position.  
Antenna not placed for best reception.  
System turned on and PLAY pressed, but no sound  
from TAPE.  
FUNCTION SELECTOR set improperly for tape  
playback.  
PAUSE button pressed in.  
Unrecorded tape inserted.  
Slide FUNCTION SELECTOR to TAPE.  
Press and release the PAUSE button.  
Insert recorded tape.  
Poor playback sound.  
Clean heads. See TAPE DECK Cleaning.  
Dirty heads.  
Replace the cassette.  
Degauss the play and record head with a tape head  
demagnetizer every 100 hours of use.  
Cassette tape is badly stretched.  
Heads have become magnetized.  
RECORD button cannot be pressed in.  
Poor recording.  
Try another cassette, or place a piece of tape over  
the breakout tab holes.  
Cassette without erase protection tabs is inserted.  
Dirty heads.  
Clean heads. See Tape Deck Cleaning.  
Degauss the play and record head with a tape head  
demagnetizer every 100 hours of use.  
Heads have become magnetized.  
Replace microphone or microphone cord.  
Microphone defective  
Microphone cable broken or intermittent.  
Tape speed is erratic.  
Cannot copy from DECK 2 to  
DECK 1.  
Clean the capstan and pressure roller.  
Insert recorded tape.  
Dirty capstan and/or pressure roller.  
Unrecorded tape inserted into  
DECK 2.  
Set to the proper position.  
PLAY/RECORD function selector is in wrong position.  
CD Player does not work properly.  
NO song lyrics Appear on screen.  
Insert disc correctly.  
Wide clean with soft cloth.  
Use a new disc.  
Use a new disc.  
Use only brand name disc.  
Wait about 20 to 30 minutes to let it dry.  
Disc is inserted upside down.  
Disc is dirty.  
Disc is scratched.  
Disc seriously warped.  
A nonstandard disc is inserted.  
Moisture has formed inside the CD deck.  
Connect the video cable to the  
Duet-II VIDEO OUT and to the TV VIDEO IN.  
Using your TV Remote to select VIDEO or AUX  
input.  
Video cable is not connected properly to the TV.  
Source selector on TV is not set to VIDEO.  
Connect from VIDEO OUT of the  
TV does not have video line input.  
Duet-II to the AUX IN of your VCR of Connect to an  
RF Modulator and then to the TV cable input.  
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Specifications  
RADIO SECTION  
Frequency range AM: 530 - 1719KHz  
Frequency range FM: 87.5 - 108MHz  
AUDIO SECTION  
Output power (THD 10%): 40W + 40W peak  
Output impedence: 8 Ohms  
Graphic Equalizer controls: ± 10dB  
CASSETTE SECTION  
Frequency response: 125Hz - 8 KHz  
Wow and Flutter: 0.35%  
Tape speed: 4.75 cm/sec  
AC Input Power: AC 120/240V; 50Hz/60KHz; 60W  
CD PLAYER SECTION  
Frequency response: 125Hz - 8KHz  
Signal to Noise Ratio: 50dB  
Wow and Flutter: immeasurable  
D/A conversion: 16-bit linear  
Sampling system: 2 times over sampling  
DIGITAL KEY CONTROL SECTION  
12 steps in half-step increments  
SPEAKER SECTION  
Stereo two way, four speaker system with two  
4woofers and two 1/4tweeters  
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C
Vocopro 2004  
V 1.0  
WWW.VOCOPRO.COM  
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