Optimus Cassette Player 120 2117 User Manual

AM/FM Stereo Cassette Player  
(120-2117) Features  
Faxback Doc. # 57140  
Your Optimus AM/FM Stereo Cassette Player can be easily installed in  
almost any vehicle. The stereo will not operate when you remove its anti  
theft control panel. You can quickly remove and store the control panel  
in the supplied carry case and take it with you for added security.  
The stereo's features include:  
Front CD IN Jack - lets you quickly connect a portable CD player  
to the stereo, so you can play your favorite  
CDs in your vehicle.  
Auto-Stop - stop's the tape when it reaches the end, to  
reduce wear on your tape and the cassette  
deck.  
Tone and Balance Controls - lets you adjust high and low sounds and the  
balance between left/right speakers, so you  
can tailor the sound to suit your preferences  
Metal/CrO2 - takes advantage of the improved sound quality  
of metal or CrO2 tapes.  
Mono/Stereo Control - lets you select FM reception in stereo on  
strong stations or monaural reception on weak  
stations.  
Push Band Selector - lets you easily select an AM or FM station  
with the push of a button.  
Built-In Noise-Suppression - reduces the noise caused by your vehicle's  
Choke electrical system.  
For your permanent records, we recommend you record your stereo's serial  
number in the space below. The serial number is on the top of the stereo.  
Serial Number: ________________________________  
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CAUTION: Be careful to avoid obstructions behind the mounting surface.  
Routing Speaker Wire  
If you install speakers, avoid routing the speaker wires near moving parts  
or sharp edges. You can usually route them along the wiring channel  
beneath the vehicle's door facing by carefully removing the molding that  
holds the carpet in place. After you route the speaker wires, replace the  
molding.  
Testing the Stereo  
Before you mount the stereo or any speaker, test the stereo by temporarily  
connecting the power wire, speakers, and antenna as described in "Making  
the Connections," below. If you plan to use an adapter harness to connect  
the stereo, see "Using an Adapter Harness," below.  
Making The Connections  
The supplied harness with the 14-pin connector includes all the lead wires  
you need to connect the stereo to ground, power, optional components, and  
speakers.  
IMPORTANT: Do not cut these wires. If you cut any wire, you cannot obtain  
a refund or exchange on this product. However, your local Radio  
Shack store will provide warranty service if you cut a wire and  
find the product is defective.  
Depending on your individual auto sound system, you might need additional  
wire to complete connections. Your local RadioShack store carries a full  
line of wire and wire management accessories.  
CAUTIONS: For added safety and to protect your stereo, remember to  
disconnect the cable from your vehicle battery's negative (-)  
terminal before you begin making the connections.  
You must connect the ground and primary wires first, then make  
all other connections before you plug the 14-wire harness into  
the stereo. (See "Using an Adapter Harness," below.) If you do  
not make connections in the order shown, damage to the stereo  
is possible if any wire connections are made incorrectly.  
You must connect a separate wire to each speaker terminal as  
described in the following procedure. Do not use a common wire  
or chassis ground for any speaker connection.  
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Using an Adapter Harness  
If you are replacing an existing stereo, or if your vehicle has been  
factory-wired for auto sound components, you might be able to use an  
adapter harness to connect the power and speakers.  
Follow the directions supplied with the adapter harness to temporarily  
connect the power and speakers.  
A selection of adapter harnesses is available at your local RadioShack  
store.  
Connecting Ground, Power, and Optional Components  
Follow these steps to connect the supplied harness with the 14-pin  
connector to ground, primary and optional components.  
1. Disconnect the cable from your vehicle battery's negative (-)  
terminal.  
2. Connect the black GROUND (-) wire to a chassis ground, such as a metal  
screw attached to a metal part of the vehicle's frame. Be sure that  
the screw is not insulated from the chassis by a plastic part.  
3. Connect the red +12V TO IGNITION wire (with the in-line fuse holder)  
to a point in your vehicle's fuse block that has power only when you  
turn the vehicle's ignition key to either the accessory (ACC) or ON  
position.  
This connection turns on the stereo when you turn on the ignition or  
turn the key to ACC, and turns off the stereo when you turn off the  
ignition. This prevents your vehicle's battery from being drained if  
you leave the stereo on when you turn off the ignition.  
4. Connect the yellow +12V TO BATTERY wire (with in-line fuse holder) to  
your vehicle battery's positive (+) terminal or to a point in your  
vehicle's fuse block that provides a continuous source of 12 volts.  
This connection provides continuous power for the stereo's LED  
indicator when the faceplate is removed.  
5. Cut the loop at the end of the blue AMP REMOTE TURN ON 500MA MAX wire,  
strip about 1/2 inch of insulation from its end, then connect it to  
any optional equipment (designed to run from a switched source) that  
you want the stereo to turn on and off (such as a power antenna).  
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This wire does not provide power to the component. It simply turns  
other equipment on or off. If you do not use this wire, secure it  
with a wire tie and do not let it touch metal.  
Connecting Speakers  
1. Connect the gray wire to the right speaker's positive terminal. This  
terminal is usually marked with a plus (+) sign or red mark.  
2. Connect the gray/black wire to the right speaker's negative terminal.  
This terminal might be marked with a minus (-) sign or it might not be  
marked at all.  
3. Connect the white wire to the left speaker's positive terminal.  
4. Connect the white/black wire to the left speaker's negative terminal.  
Connecting the Antenna  
Connect the vehicle's antenna cable to the stereo's antenna jack at the  
back of the stereo.  
Completing the Connections  
After you have securely made all other connections, plug the l4-pin  
connector into the stereo's 14-pin wiring socket.  
Then reconnect the cable to the vehicle's negative (-) battery terminal.  
Testing The Connections  
Turn on your vehicle's ignition, install the stereo's faceplate and test  
the stereo.  
If the stereo does not work, immediately disconnect your vehicle battery's  
negative (-) terminal. Then recheck your connections.  
After you test the stereo and verify that everything works, make sure the  
connections are marked or identified. Then follow the instructions in  
"Mounting the Stereo," below.  
Mounting The Stereo  
Be sure you test the stereo first and verify that it works properly.  
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Follow these steps to mount the stereo.  
1. Disconnect the cable from the vehicle battery's negative (-) terminal.  
2. Temporarily disconnect the wire harness and antenna.  
3. Lift the top of the outer trim ring then pull it straight out to  
remove it.  
4. Insert both of the supplied keys into the slots at the middle left and  
right sides of the stereo until they lock into place, and slide the  
sleeve off of the stereo.  
5. Slide the sleeve into the dash and bend out all the side tabs with a  
screwdriver to secure the sleeve.  
6. Reconnect the wire harness and the antenna.  
7. Slide the stereo into the sleeve until it locks into place, then  
attach the outer trim ring to the front of the stereo.  
8. Use the supplied hardware to attach one end of the supplied metal  
strap to the bolt on the back of the stereo. If necessary, bend the  
metal strap to fit your vehicle's mounting area. Then attach the other  
end of the strap to an existing bolt on a solid metal part of the  
vehicle. This strap also helps ensure proper electrical grounding of  
the stereo.  
9. Reconnect the cable to the vehicle's negative (-) battery terminal.  
Then install the stereo's faceplate.  
Removing The Stereo From the Dash  
If you ever want to remove the stereo from the dash, follow these steps.  
1. Disconnect the cable from the vehicle battery's negative (-) terminal.  
2. Remove the metal strap attached to the back of the stereo.  
3. Insert the left and right supplied release key (with tooth up) into  
the slot on both sides of the unit until the locking tab is released.  
Be sure R and L (printed on the keys) face out.  
4. Pull up and back on the key so that the tip pushes down onto the  
release catch. Then slide the unit out of the sleeve.  
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AM/FM Stereo Cassette Player  
(120-2117)  
Anti-Theft Panel  
Faxback Doc. # 57142  
Using The Anti-Theft Control Panel  
The stereo's anti-theft control panel must be in place for the stereo to  
operate. When you remove the control panel, a red indicator flashes on  
the front of the stereo and the stereo cannot be used.  
Installing The Anti-Theft Control Panel  
CAUTION: Avoid pushing on the display or pressing any buttons while  
installing the control panel.  
1. Insert the right edge of the faceplate into the right edge of the  
recess. Make sure the tabs in the recess fit into the slots in the  
edge of the faceplate.  
2. Gently push the left edge of the faceplate into the recess until you  
hear a click.  
Removing The Anti-Theft Control Panel  
1. Press Release. You hear a click and the left side of the faceplate  
pops out slightly.  
2. Pull the faceplate away from the stereo, then store it in the supplied  
carry case.  
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AM/FM Stereo Cassette Player  
(120-2117)  
Operation  
Faxback Doc. # 57143  
Turning the Stereo ON and OFF  
CAUTION: Use common sense. Do not change your stereo's setting in heavy  
traffic or during hazardous driving condition.  
To turn on the stereo, turn ON/VOL clockwise until it clicks. To turn off  
the stereo, turn ON/VOL counterclockwise until it clicks.  
Adjusting The Sound/Tuning  
When you listen to your stereo, adjust the following controls to suit your  
listening preference and tune the stereo.  
ON/VOL - turn clockwise to increase or counterclockwise to decrease the  
volume.  
WARNING: To protect your hearing, do not listen at high volume  
levels. Slowly increase the volume to a comfortable  
listening level.  
BAL - rotate the outer control to adjust the balance between the left  
and right speakers.  
TONE - rotate to decrease or increase low sounds.  
TUN - rotate the inner control clockwise or counterclockwise to tune to  
the next station in the selected band.  
Radio Operation  
1. Rotate ON/VOL clockwise until it clicks to turn on the stereo.  
2. Press BAND to select between AM and FM bands. The corresponding band  
indicator lights.  
3. Press MO/ST to select FM mono and FM stereo in the FM band. ST lights  
when the radio receives an FM stereo station.  
Note: If the reception is weak, press MO/ST once.  
4. Tune to the desired station by rotating TUN/BAL.  
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Note: To improve reception of strong stations, press LO/DX. The LO  
indicator lights.  
5. Adjust VOL, BAL and TONE, as desired.  
Cassette Player Operation  
WARNING: To prevent hearing damage, always turn the volume to its lowest  
level before you begin listening to a tape.  
CAUTION: Avoid using C-120 cassette tapes. They are very thin and can  
easily become tangled in the tape-handling parts.  
Follow these steps to play a cassette tape.  
1. Take up any slack by turning the cassette's hub with your finger or a  
pencil. (Avoid touching the tape.)  
2. Turn ON/VOL clockwise until it clicks to turn on the stereo.  
3. Insert the tape into the cassette compartment with its open edge to  
the right. The tape begins to play, and the tape indicator lights.  
4. If you are playing a metal or CrO2 tape, press MTL. The MTL indictor  
lights.  
5. Adjust VOL, BAL and TONE to suit your listening preference.  
6. Press (/\/>>) in all the way to stop the tape and eject the cassette.  
The radio plays.  
CAUTION: We recommend you press (/\/>>) as soon as you finish playing a  
tape or before you leave your vehicle, to release it from the  
tape handling parts. This reduces the possibility of a tape  
being inadvertently tangled or damaged.  
Note: When a tape reaches the end, the cassette player automatically stops  
and the radio plays, but the cassette player does not eject the tape  
Fast-Forward and Rewind  
To fast-forward the current side, press (/\/>>) about half-way in and the  
button locks. The tape quickly winds. To stop fast-forward, press gently  
and lightly and the button releases.  
To rewind a tape, simply eject the tape by pressing (/\/>>) all the way  
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in, turn the tape over, then fast-forward the other side.  
Using An External Component  
You can connect a portable CD player or other audio component with a line  
level output or headphone jack to the stereo.  
To make this connection, you need a stereo mini-jack cable with a 1/8-inch  
(3.5 mm) plug. Connect one end of the cable to the stereo's CD IN jack,  
then connect the cable's other end to the output jack of the CD player or  
component.  
When you connect a CD player or other audio component then turn it on, you  
hear the component's sound through your speakers. You can use the stereo's  
controls to adjust the sound.  
Notes: If you connect a CD player's or other audio component's headphone  
jack to the stereo, adjust the audio component's volume to a low  
level then adjust the stereo's volume to a comfortable listening  
level.  
When you connect a cable into the stereo's CD IN jack, the radio  
and cassette player do not operate. Be sure you disconnect the CD  
player when you are not using it.  
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AM/FM Stereo Cassette Player  
(120-2117) Care and Maintenance  
Faxback Doc. # 57144  
To enjoy your Optimus AM/FM Stereo Cassette Player for a long time:  
Keep the stereo dry. If it gets wet, wipe it dry immediately.  
Handle the stereo gently and carefully. Don't drop it.  
Keep the stereo away from dust and dirt.  
Wipe the stereo with a damp cloth occasionally to keep it looking new.  
Modifying or tampering with the stereo's internal components can cause a  
malfunction and invalidate its warranty. If your stereo is not performing  
as it should, take it to your local RadioShack store for assistance.  
Cleaning The Tape Handling Parts  
Dirt, dust or particles of the tape's coating can accumulate on the tape  
heads and other parts that the tape touches. This can greatly reduce the  
performance of the cassette player. After every 20 hours of tape player  
operation, use a cassette deck cleaning kit to clean the tape-handling  
parts.  
Restoring Tape Tension And Sound Quality  
After you play a cassette tape several times, the tape might become  
tightly wound on the reels. This can cause playback sound quality to  
deteriorate.  
To restore sound quality, fast-forward the tape from the beginning to the  
end of one side, then completely rewind it. Then loosen the tape reels by  
gently tapping each side of the cassette's outer shell on a flat surface.  
CAUTION: Be careful not to damage the cassette when tapping it. Do not  
touch the exposed tape or allow any sharp objects near the  
cassette.  
Replacing A Fuse  
If the stereo does not operate, you might need to replace the wire's fuse  
with the supplied spare fuse.  
Follow these steps to replace either of your stereo's fuses.  
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1. Disconnect the cable from your vehicle's negative (-) battery terminal  
2. To open either fuse holder, unlatch the two latches on the fuse holder  
until it springs apart.  
3. Then slide off the metal holder on each end of the fuse and remove the  
fuse.  
4. If the fuse is blown, replace it. Use only standard 1-1/4 inch fuses  
with the proper rating. The red +12 TO IGNITION wire's fuse must be 3  
amps. The yellow +12V TO BATTERY wire's fuse must be 0.5 amps.  
CAUTION: The supplied spare fuses have the correct rating. If you  
use a fuse with an incorrect rating, the stereo could be  
damaged.  
5. Reassemble the fuse holder by squeezing it together until it latches.  
6. Reconnect the cable to the vehicle's negative (-) battery terminal.  
The FCC Wants You To Know  
Your stereo might cause TV or radio interference even when it is operating  
properly. To determine whether your stereo is causing the interference,  
turn off your stereo. If the interference goes away, your stereo is  
causing the interference. Try to eliminate the interference by:  
Moving your receiver away from the stereo.  
Contacting your local RadioShack store for help.  
If you cannot eliminate the interference, the FCC requires that you stop  
using your stereo.  
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AM/FM Stereo Cassette Player  
(120-2117)  
Specifications  
Faxback Doc. # 57145  
Radio:  
Frequency Range (FM Nominal): ............................... 88 - 108 MHz  
(AM Nominal): ............................. 530 - 1710 kHz  
IF Rejection (FM Nominal): ......................................... 60 dB  
(AM Nominal): ......................................... 45 dB  
Image Rejection (FM Nominal): ...................................... 45 dB  
(AM Nominal): ...................................... 45 dB  
Selectivity (FM Nominal): .......................................... 35 dB  
(AM Nominal): .......................................... 28 dB  
Signal-to-Noise (S/N) Ratio (FM Nominal): .......................... 58 dB  
(AM Nominal): .......................... 45 dB  
Stereo Separation (FM Nominal): .................................... 30 dB  
(AM Nominal): ...................................... ---  
IHF Sensitivity (FM Nominal): .............................. 6 uV (3% THD)  
(AM Nominal): ........................ 31.6 uV (20 dB S/N)  
Cassette Player:  
Cassette Mechanism: ............................................ Auto Stop  
Wow and Flutter: .................................... Less than 0.35% WRMS  
Signal-to-Noise Ratio: ............................................. 50 dB  
Separation: ........................................................ 38 dB  
Frequency Response (+/-3 dB): ............................. 125 - 8,000 Hz  
General:  
Power Source: ..................................... 12 VDC Negative Ground  
Speaker Output Impedance: ............................... 4 Ohms or 8 Ohms  
Maximum Power Output: .................................... 7 W X 2 Channel  
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Chassis Size (HWD): ....... 1-15/16 x 7 x 5-7/8 inches (50 x 178 x 150 mm)  
Weight: ........................................... 3 lbs. 5 ozs. (1.5 kg)  
Specifications are typical; individual units might vary. Specifications  
Are subject to change and improvement without notice.  
(BR-EB 10/20/99)  
LN-03/04  
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