Optimus Cassette Player 12 2114 User Manual

12-2114.fm Page 1 Wednesday, July 14, 1999 12:35 PM  
Cat. No. 12-2114  
OWNER’S MANUAL  
Please read before using this equipment.  
In-Dash AM/FM Stereo Cassette  
with Auto-Reverse  
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Tone and Balance Controls — let  
you adjust high and low sounds and  
the balance between the left and  
right speakers, so you can tailor the  
sound to suit your preferences.  
Digital Synthesized Circuitry —  
gives you precise tuning and drift-  
free reception.  
We recommend you record your ste-  
reo’s serial number here. The num-  
ber is on the top cover of the stereo.  
Serial Number: ________________  
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CONTENTS  
Installation ...................................................................................................... 5  
Before You Begin the Installation .............................................................. 5  
Preparing the Mounting Area .............................................................. 5  
Routing Speaker Wires ....................................................................... 5  
Making the Connections ............................................................................ 5  
Using an Adapter Harness .................................................................. 7  
Connecting Ground, Power, and Optional Components ..................... 7  
Connecting Speakers .......................................................................... 8  
Connecting the Antenna ..................................................................... 8  
Completing the Connections ............................................................... 8  
Testing the Connections ............................................................................ 9  
Mounting the Stereo .................................................................................. 9  
Removing the Stereo from the Dash ........................................................ 11  
Using the Faceplate ...................................................................................... 12  
Installing the Faceplate ............................................................................ 12  
Removing the Faceplate .......................................................................... 12  
Basic Operation ........................................................................................... 13  
Turning the Stereo On and Off ................................................................ 13  
Setting the Clock ..................................................................................... 13  
Adjusting the Sound/Tuning ..................................................................... 13  
Radio Operation ........................................................................................... 15  
Playing the Radio .................................................................................... 15  
Memory Tuning ........................................................................................ 15  
Automatically Storing Stations .......................................................... 16  
Manually Storing Stations ................................................................. 16  
Selecting a Stored Station ................................................................. 17  
Scanning Stored Stations ................................................................. 17  
Cassette Player Operation .......................................................................... 18  
Playing a Cassette ................................................................................... 18  
Fast-Forward and Rewind ................................................................. 19  
Care and Maintenance ................................................................................. 20  
The FCC Wants You to Know .................................................................. 20  
Cleaning the Tape-Handling Parts ........................................................... 21  
Restoring Tape Tension and Sound Quality ............................................ 21  
Replacing a Fuse ..................................................................................... 21  
Specifications ............................................................................................... 23  
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INSTALLATION  
fits your vehicle’s mounting area.  
This autosound stereo system is a  
DIN-E size unit that requires a 21/16-  
inch high by 73/16-inch wide by 611/16-  
inch deep (52 ¥ 182 ¥ 170 mm)  
mounting area.  
BEFORE YOU BEGIN  
THE INSTALLATION  
Before you install your stereo, read  
all the instructions in this owner’s  
manual. You should be able to an-  
swer all of these questions about  
your vehicle’s electrical and sound  
systems:  
Note: If the mounting area is too  
large, you might be able to mount  
the stereo with an in-dash installa-  
tion kit, available at your local Ra-  
dioShack store. Follow the in-  
stallation kit’s instructions to mount  
the stereo.  
• Which terminal in my vehicle’s  
fuse box supplies power even  
when the ignition is turned off?  
• Which terminal in my vehicle’s  
fuse box is for accessories?  
Caution: Be sure to avoid obstruc-  
tions behind the mounting surface.  
• How do I connect a wire to the  
fuse box?  
Routing Speaker Wires  
Also, be aware that installation in  
your vehicle might require cutting or  
modifying your vehicle.  
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 facings  
by carefully removing the molding  
that holds the carpet in place. After  
you route the speaker wires, replace  
the molding.  
Place the stereo as close as possible  
to the selected mounting location.  
We recommend that you install the  
stereo by temporarily connecting it to  
ground and power, optional compo-  
nents, and your speakers. Then test  
the connections, disconnect the ste-  
reo, mount it in your vehicle, and re-  
connect it. The instructions in this  
manual are arranged in this order.  
MAKING THE  
CONNECTIONS  
Preparing the Mounting  
Area  
The supplied harness with the 14-pin  
connector includes all the lead wires  
you need to connect the stereo to  
ground, power, some optional com-  
ponents, and speakers.  
Before you mount the stereo, make  
sure you have all the necessary ma-  
terials. Then confirm that the stereo  
5
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Important: Do not cut these wires. If  
you cut any wire, you cannot obtain a  
refund or exchange on this product.  
However, your local RadioShack  
store will provide warranty service if  
you cut a wire and find the product is  
defective.  
described in the following sec-  
tions before you plug the har-  
ness with the 14-pin connector  
into the stereo. If you do not  
make connections in the order  
shown, damage to the stereo is  
possible if any wire connections  
are made incorrectly.  
You might need additional wire, de-  
pending on your individual auto-  
sound system, to complete the  
connections. Your local RadioShack  
store carries a full line of wire and  
wire management accessories.  
• You must connect a separate  
wire to each speaker terminal as  
described in the following proce-  
dure. Do not use a common wire  
or chassis ground for any  
speaker connection.  
Cautions:  
Note: The wires in the wiring har-  
ness have the following colors and  
labels.  
• For added safety and to protect  
your stereo, disconnect the  
cable from your vehicle’s nega-  
tive (–) battery terminal before  
you begin.  
White  
SPEAKER RIGHT  
White/Black  
Gray  
SPEAKER  
LEFT  
Gray/Black  
• Be sure your speakers can han-  
dle 8 watts of power (4 watts per  
channel). Each speaker must  
have an impedance of at least 4  
ohms. Your local RadioShack  
store carries a full line of speak-  
ers.  
Wire  
Harness  
GROUND (–)  
Black  
POWER LEAD (B+)  
Red  
GROUND  
• You must connect the  
Blue/  
White  
AMP REMOTE TURN ON  
500 MA MAX  
(–) POWER LEAD (B+)  
,
, and  
CLOCK MEMORY  
wires first, then  
make all other connections as  
CLOCK MEMORY  
Yellow  
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Using an Adapter Harness  
If you are replacing an existing  
stereo, or if your vehicle has been  
factory-wired for autosound compo-  
nents, you might be able to use an  
adapter harness to connect the pow-  
er and speakers. RadioShack stores  
sell adapter harnesses for most ve-  
hicles.  
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.  
Follow the directions that come with  
the adapter harness to temporarily  
connect the ground, power, optional  
components, and speakers. Then go  
to “Connecting the Antenna” on  
Page 9.  
3. Connect the red POWER LEAD  
(B+) wire (with in-line filter and  
fuse holder) to a point in your  
vehicle’s fuse block that has  
power only when you turn the  
vehicle’s key to either the acces-  
sory (ACC) or START position.  
Connecting Ground, Power,  
and Optional Components  
Follow these steps to connect the  
supplied harness with the 14-pin  
connector to ground, primary and  
memory backup power, and optional  
components.  
This connection turns on the ste-  
reo when you turn on the ignition  
or turn the key to ACC, and  
turns off the stereo when you  
turn off the ignition. This pre-  
vents your vehicle’s battery from  
being drained if you leave the  
stereo on when you turn off the  
ignition.  
GROUND (–)  
(To Chassis  
Black  
Ground)  
POWER LEAD (B+)  
Red  
4. Connect the yellow CLOCK  
MEMORY 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.  
Red  
(To ACC)  
AMP REMOTE TURN ON  
Blue/White  
(To Optional  
Equipment)  
CLOCK MEMORY  
Yellow  
(To Battery +)  
1. Disconnect the cable from your  
vehicle’s negative () battery ter-  
minal.  
This connection provides contin-  
uous power for the stereo’s  
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memory and clock display when the ignition is turned off.  
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5. Cut the loop at the end of the  
Connecting the Antenna  
blue/white AMP REMOTE TURN  
1
ON wire, strip about /2 inch of  
Connect the vehicle’s antenna cable  
to the antenna jack on the back of the  
stereo.  
insulation from its end, then con-  
nect it to any optional equip-  
ment, designed to run from a  
switched source, that you want  
the stereo to turn on and off  
(such as a booster or a power  
antenna).  
Back of Stereo  
This wire does not provide  
power to the components. It sim-  
ply turns them on or off. If you do  
not use this wire, secure it with a  
wire tie and do not let its bare  
wire ends touch metal.  
Vehicle’s Antenna Cable  
V
h
cl
'
nt
c
f
t
r
o  
Completing the  
Connections  
Make sure you have securely made  
all other connections, then plug the  
harness’ connector into the stereo’s  
14-pin wiring socket. Reconnect the  
cable to the vehicle’s negative (–)  
battery terminal.  
Connecting Speakers  
1. Connect the gray wire to the  
right speaker’s positive termi-  
nal. This terminal is usually  
marked with a plus (+) sign or  
red mark.  
2. Connect the gray/black wire to  
the right speaker’s negative ter-  
minal. 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 termi-  
nal.  
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2. Disconnect the wire harness and  
the antenna.  
TESTING THE  
CONNECTIONS  
Turn on your vehicle’s ignition and  
install your stereo’s faceplate (see  
“Installing  
the  
Faceplate”  
on  
Page 13). The stereo’s display lights  
and the last station you tuned ap-  
pears after about 5 seconds.  
REL  
3. Press  
(release) on the left  
side of the faceplate to remove  
the faceplate, then snap the  
plastic collar off of the front of  
the stereo.  
If the stereo does not work, immedi-  
ately disconnect the cable from  
your vehicle’s negative (–) battery  
terminal. Then recheck your con-  
nections.  
Plastic Collar  
After you verify that the display lights  
and the clock appears, follow the in-  
structions in “Mounting the Stereo.”  
REL  
MOUNTING THE  
STEREO  
4. Insert both of the supplied keys  
into the slots at the middle left  
and right sides of the sleeve until  
they lock into place, and slide  
the sleeve off of the stereo.  
Be sure you verify that the stereo is  
connected properly (see “Testing the  
Connections” on Page 10). Then fol-  
low these steps to mount the stereo.  
1. Make sure the ignition is turned  
off, then disconnect the cable  
from your vehicle’s negative ( )  
battery terminal.  
10  
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12-2114.fm Page 11 Wednesday, July 14, 1999 12:35 PM  
5. Insert the sleeve into the dash  
and bend out all the side tabs  
with a screwdriver to secure the  
sleeve.  
9. Snap the plastic collar onto the  
front of the stereo.  
6. Reconnect the wire harness and  
the antenna.  
10. Reconnect the cable to the vehi-  
cle’s negative (–) battery termi-  
nal. Then install the stereo’s  
faceplate (see “Installing the  
Faceplate” on Page 13).  
7. Slide the stereo into the sleeve  
until it locks into place.  
If you are securing the stereo to  
an existing mounting hole in the  
dash, push the mounting bolt  
(covered by the mounting grom-  
met) through the existing mount-  
ing hole and make sure it is  
secure. If the mounting bolt is  
too short, attach the supplied  
mounting bolt extension to it.  
8. Otherwise, you can use the sup-  
plied hardware to attach one  
end of the supplied metal strap  
to the bolt on the back of the ste-  
reo. If necessary, bend the metal  
strap to fit your vehicle’s mount-  
ing area. Then attach the other  
end of the strap to a solid metal  
part of the vehicle. This strap  
also helps ensure proper electri-  
cal grounding of the stereo.  
11  
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5. Insert both of the supplied keys  
into the slots at the middle left  
and right sides of the sleeve,  
press the keys inward until they  
lock into place, then slide the  
stereo out of the dash.  
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 your  
vehicle’s negative ( ) battery ter-  
minal.  
6. Disconnect the wire harness and  
the antenna.  
7. Reconnect the cable to the vehi-  
cle’s negative (–) battery termi-  
nal.  
2. If you secured the stereo to an  
existing mounting hole under the  
dash, slide out the stereo to free  
the mounting bolt from the  
mounting hole.  
Or, remove the bolt holding the  
metal strap to the back of the  
stereo.  
REL  
3. Press  
to remove the ste-  
reo’s faceplate.  
4. Snap the plastic collar off of the  
front of the stereo.  
12  
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USING THE FACEPLATE  
The stereo’s faceplate must be in  
place for the stereo to operate. When  
you remove it, the display turns off  
and the stereo cannot be used. This  
is a simple but effective security  
measure.  
REMOVING THE  
FACEPLATE  
1. Press REL. You hear a click and  
the faceplate swings out.  
Any stored stations remain in memo-  
ry when the faceplate is removed.  
INSTALLING THE  
FACEPLATE  
REL  
2. Remove the faceplate, then  
store it in the supplied carry  
case.  
Caution: Avoid pushing on the dis-  
play or pressing any buttons while in-  
stalling the faceplate.  
1. Insert the right edge of the face-  
plate into the right edge of the  
recess. The slot in the faceplate  
interlocks with the tab in the  
recess.  
Caution: To keep the metal con-  
necting pins clean, do not touch the  
connecting pins in the recess or on  
the back of the faceplate.  
2. Gently push the left edge of the  
faceplate into the recess until  
you hear a click.  
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BASIC OPERATION  
3. While holding down F/C, repeat-  
edly press TUNE s until the ste-  
reo displays the correct minute.  
(To quickly advance the minute,  
hold down TUNE s.)  
TURNING THE STEREO  
ON AND OFF  
To turn on the stereo, turn PWR./  
VOL. clockwise until it clicks. To turn  
off the stereo, turn PWR./VOL. coun-  
terclockwise until it clicks.  
BALANCE  
TONE  
PWR.  
TEREO CASSE  
REL  
F/C  
PWR.  
BALANCE  
TONE  
TUNE  
SEEK  
1
ASM  
4
BAND  
VOL.  
STEREO CASSE  
REL  
F/C  
ASM  
TU
SEEK  
1
4
4. When the display shows the  
correct hour and minute,  
release F/C.  
BAND  
SETTING THE CLOCK  
ADJUSTING THE  
SOUND/TUNING  
Note: You can set the clock only  
when the vehicle’s ignition is turned  
on or set to ACC.  
When you listen to your stereo, ad-  
just these controls to suit your listen-  
ing preferences and tune the stereo.  
1. If the stereo is off, turn PWR./  
VOL. clockwise to turn it on.  
PWR.  
BALANCE  
TONE  
Note: The display normally  
shows the clock. If necessary,  
hold down F/C (frequency/clock)  
until the clock display appears.  
VOL.  
STEREO CASSETTE RECEIVER  
REL  
F/C  
TUNE  
SEEK  
1
4
2
5
3
6
ASM  
BAND  
2. While holding down F/C, repeat-  
edly press TUNE t until the ste-  
reo displays the correct hour. (To  
quickly advance the hour, hold  
down TUNE t.)  
PWR./VOL. — turn clockwise to in-  
crease or counterclockwise to de-  
crease the volume.  
PWR.  
BALANCE  
TONE  
Warning: To protect your hearing,  
do not listen at high volume levels.  
Slowly increase the volume to a com-  
fortable listening level.  
VOL.  
EREO CASSE  
REL  
F/C  
TUNE  
SEEK  
1
ASM  
4
BAND  
14  
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BALANCE — rotate to adjust the bal-  
ance between the right and left  
speakers.  
TONE — rotate to increase or de-  
crease high sounds.  
BAND — press to select the desired  
band and memory group.  
ASM — hold down to automatically  
scan and store the next six strong  
stations in the selected band, or  
press to scan all stations stored in a  
selected memory group (see “Memo-  
ry Tuning” on Page 16).  
F/C — press to display the current  
frequency or the clock.  
TUNE t or TUNE s — repeatedly press  
to tune down or up to the next station  
in the selected band (see “Playing  
the Radio” on Page 16).  
SEEK s or SEEK t — press to auto-  
matically tune to the next lower or  
higher station with a strong signal  
(see “Playing the Radio” on  
Page 16).  
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RADIO OPERATION  
4. Adjust PWR./VOL., BALANCE  
PLAYING THE RADIO  
and TONE as desired.  
1. If the stereo is off, turn PWR./  
VOL. clockwise until it clicks to  
turn it on. The radio automati-  
cally tunes to the last station  
selected.  
Notes:  
ST appears when an FM signal  
is received in stereo.  
• Each time you press BAND, the  
radio tunes to the last station  
selected in the band.  
BALANCE  
TONE  
PWR.  
VOL.  
STEREO CASSE  
REL  
To temporarily display the fre-  
quency, press F/C (frequency/  
clock). The display shows the  
frequency for 5 seconds, then  
returns to the clock display.  
F/C  
TUN
SEEK  
1
ASM  
4
BAND  
2. Press BAND to select the  
desired band. AM 1 or AM 2  
appears when an AM band is  
selected. FM 1, FM 2, or FM 3  
appears when an FM band is  
selected.  
MEMORY TUNING  
You can manually store up to 12 AM  
and 18 FM stations in memory  
groups. Each memory group (AM 1,  
AM 2, FM 1, FM 2, and FM 3) holds  
up to six stations. Or, you can auto-  
matically store the first 6 strong sta-  
tions in a band into a memory group  
for that band.  
PWR.  
BALANCE  
TONE  
VOL.  
STEREO CASSE  
REL  
F/C  
TUNE  
SEEK  
1
ASM  
4
BAND  
3. Tune to the desired station in  
one of the following ways.  
Manual Tuning: Repeatedly  
press TUNE t or TUNE s to tune  
down or up to the desired sta-  
tion.  
SEEK  
Seek Tuning: Hold down  
s or SEEK t for about 1 second to  
automatically tune to the next  
higher or lower station with a  
strong signal.  
16  
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4. To stop searching for stations  
before all stations are stored,  
press ASM again.  
Automatically Storing  
Stations  
1. Repeatedly press BAND until the  
stereo displays the band and  
memory group where you want  
to store a group of stations. For  
example, to store the first group  
of AM stations into AM 1, press  
BAND until AM 1 appears.  
Manually Storing Stations  
1. Repeatedly press BAND until the  
stereo displays the band and  
memory group where you want  
to store a station. For example,  
to store FM stations into FM 2,  
press BAND until FM2 appears.  
2. Tune to the station just before  
the first station you want to  
store.  
2. Tune to the station you want to  
store.  
3. Hold down ASM (automatic  
memory scan) for about 3 sec-  
onds. The stereo displays LOC,  
scans the selected band, and  
automatically stores the first 6  
strong stations it finds, starting  
with the desired station.  
3. Hold down the desired memory  
location button until the band  
number, the frequency, and the  
memory location number appear  
on the display for about 5 sec-  
onds. The volume briefly mutes  
then returns to normal. The sta-  
tion is stored.  
TONE  
PWR.  
BALANCE  
VOL.  
PWR.  
BALANCE  
TONE  
STEREO CASSE  
REL  
F/C  
TUNE  
SEEK  
1
VOL.  
ASM  
STEREO CASSETTE RECEIVER  
REL  
4
BAND  
F/C  
TUNE  
SEEK  
1
4
2
5
3
6
ASM  
BAND  
The band number, frequency,  
and memory location number  
appear on the display when the  
station is stored. After all 6 sta-  
tions are stored, the stereo  
tunes to the first station and  
begins to play.  
Memory Location  
Buttons  
Note: If the stereo could not find  
6
stations, it scans again,  
searching for weaker stations,  
and LOC disappears.  
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Selecting a Stored Station  
To select a station, repeatedly press  
BAND to select the desired memory  
group, then press the desired memo-  
ry location button.  
Note: Do not hold down the memory  
location button. This stores the cur-  
rently tuned station into that location.  
Scanning Stored Stations  
The radio can scan all stored sta-  
tions in the selected memory group,  
pausing for about 5 seconds at each  
station. The radio can also scan all  
stored stations in all memory groups.  
To start scanning stations, repeated-  
ly press BAND to select the desired  
memory group. The radio scans all  
stored stations in all memory groups.  
Then, when you press ASM, the ra-  
dio scans all stored stations in the  
selected memory group.  
ASM.  
Important: Do not hold down  
This causes the stereo to automati-  
cally seek and store stations into the  
selected memory group.  
As the stereo scans each memory  
location in the selected memory  
group, the current memory location  
number flashes.  
To stop scanning when the radio  
pauses at a station you want to listen  
to, press ASM again.  
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12-2114.fm Page 19 Wednesday, July 14, 1999 12:35 PM  
CASSETTE PLAYER OPERATION  
5. Press  
all the way in to stop  
PLAYING A CASSETTE  
the tape and eject it. The radio  
plays.  
Caution: Avoid using C-120 cas-  
sette tapes. They are very thin and  
can easily become tangled in the  
tape-handling parts.  
ONE  
STEREO CASSETTE RECEIVER  
Follow these steps to play a cassette  
tape.  
1
4
2
5
3
6
1. Take up any slack by turning the  
cassette’s hub with your finger  
or a pencil. (Avoid touching the  
tape.)  
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.  
Notes:  
2. If the stereo is off, turn PWR./  
VOL. clockwise until it clicks to  
turn it on.  
• When the tape reaches the end,  
the cassette player automati-  
cally changes the tape’s direc-  
tion and plays the other side of  
the tape. Play continues until  
3. Insert the tape into the cassette  
compartment with its open edge  
to the right and the side you  
want to hear facing up. The tape  
begins to play, and the direction  
indicator appears on the display.  
you press  
.
• During play, you can switch to  
the other side of the cassette by  
pressing  
and  
at the same  
PWR.  
BALANCE  
TONE  
time so the arrow on the display  
changes direction.  
VOL.  
STEREO CASSETTE RECEIVER  
REL  
F/C  
TUNE  
SEEK  
1
4
2
5
3
ASM  
6
BAND  
TTE RECEIVER  
3
6
4. Adjust VOLUME, BALANCE and  
TONE as desired.  
19  
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12-2114.fm Page 20 Wednesday, July 14, 1999 12:35 PM  
Fast-Forward and Rewind  
To fast-forward or rewind the current  
side, press  
or  
depending on  
which side of the tape is playing. The  
tape quickly winds. Play resumes  
when the end of the tape side is  
reached or when you briefly press  
.
STEREO CASSETTE RECEIVER  
1
4
2
5
3
6
To stop fast forward or rewind before  
the end of the tape, gently press and  
release the opposite button ( or  
or . Play continues.  
)
20  
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12-2114.fm Page 21 Wednesday, July 14, 1999 12:35 PM  
CARE AND MAINTENANCE  
Your Optimus In-Dash AM/FM Stereo Cassette with Auto-Reverse is an example  
of superior design and craftsmanship. The following suggestions will help you  
care for your stereo so you can enjoy it for years.  
Keep the stereo and faceplate dry. If either gets wet, wipe it dry  
immediately. Liquids might contain minerals that can corrode the  
electronic circuits.  
Keep the stereo and faceplate away from dust and dirt, which can  
cause premature wear of parts.  
Handle the stereo and faceplate gently and carefully. Dropping ei-  
ther can damage circuit boards and cases and can cause the ste-  
reo to work improperly.  
Wipe the stereo with a damp cloth occasionally to keep it looking  
new. Do not use harsh chemicals, cleaning solvents, or strong de-  
tergents to clean the stereo.  
Modifying or tampering with the stereo’s internal components can cause a mal-  
function, invalidate your stereo’s warranty and void your FCC authorization to op-  
erate it. If your stereo is not performing as it should, take it to your local  
RadioShack store for assistance.  
THE FCC WANTS YOU TO KNOW  
Your stereo might cause TV or radio interference even when it is operating prop-  
erly. To determine whether your stereo is causing the interference, turn off your  
stereo. If the interference goes away, your stereo is causing it. 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.  
21  
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CLEANING THE TAPE-  
HANDLING PARTS  
REPLACING A FUSE  
If the stereo does not operate, you  
POWER  
might need to replace the  
LEAD (B+)  
Clean the tape head after about ev-  
ery 20 hours of playing time. Insert a  
special head-cleaning cassette (such  
as Cat. No. 44-1202), and follow the  
cassette’s directions to clean the  
tape head.  
1
wire’s 3-amp 1 /4-inch fuse  
with the supplied spare fuse (Cat.  
No. 270-1009). If the clock resets or  
stored stations are lost when the igni-  
tion is off, you might need to replace  
wire’s 0.5-amp  
11/4-inch fuse with the supplied spare  
CLOCK MEMORY  
the  
fuse (Cat. No. 270-1003).  
RESTORING TAPE  
TENSION AND SOUND  
QUALITY  
Caution: Do not use a fuse with rat-  
ings other than those specified here.  
Doing so might damage your stereo.  
After you play a cassette tape a few  
times, the tape might become tightly  
wound on the reels. This can cause  
playback sound quality to deterio-  
rate.  
Follow these steps to replace either  
of your stereo’s fuses.  
1. Disconnect the cable from your  
vehicle’s negative ( ) battery ter-  
minal.  
To restore the sound quality, fast-  
forward the tape from the beginning  
to the end of one side, then 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.  
2. To open the fuse holder, push  
together then twist the fuse  
holder’s parts until they spring  
apart. Then remove the fuse.  
22  
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12-2114.fm Page 23 Wednesday, July 14, 1999 12:35 PM  
3. If the fuse is blown, replace it.  
Use only standard 11/4-inch  
fuses with the proper rating. The  
POWER LEAD (B+) wire’s fuse  
must be 3 amps. The CLOCK  
MEMORY wire’s fuse must be 0.5  
amps.  
4. Reassemble the fuse holder by  
inserting the fuse and pushing  
together and twisting the two  
parts until they latch.  
5. Reconnect the cable to the vehi-  
cle’s negative (–) battery termi-  
nal.  
6. Reset your stereo’s clock and  
memory settings as well as  
other vehicle accessories.  
23  
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SPECIFICATIONS  
RADIO  
FM (Nominal)  
88–108 MHz  
75dB  
AM (Nominal)  
530–1710 kHz  
50 dB  
Frequency Range  
IF Rejection  
Image Rejection  
Selectivity  
44dB  
55 dB  
60dB  
35 dB  
Signal-to-Noise (S/N) Ratio  
Stereo Separation  
Usable Sensitivity  
65dB  
48 dB  
36 dB  
3.0 mV (3% THD) 10 mV (20 dB S/N)  
CASSETTE PLAYER  
Cassette Mechanism .................................................................... Auto Reverse  
Wow and Flutter .......................................................... Less than 0.15% WRMS  
Signal-to-Noise Ratio ................................................................................ 48 dB  
Separation ................................................................................................. 35 dB  
Frequency Response (–3 dB) ...................................................... 125–8,000 Hz  
GENERAL  
Power Source ............................................................ 12V DC Negative Ground  
Speaker Output Impedance ................................................. 4 Ohms or 8 Ohms  
Maximum Power ....................................................................... 7 Watts/Channel  
Power Output (10% THD @ 1 kHz) ................................. 4 Watts RMS/Channel  
Chassis Size (HWD) ...................................................... 115/16 ¥ 7 ¥ 515/16 Inches  
(50 ¥ 178 ¥ 151 mm)  
Weight ........................................................................................................ 3 lbs  
(1.3 kg)  
Specifications are typical; individual units might vary. Specifications are subject  
to change and improvement without notice.  
24  
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12-2114.fm Page 25 Wednesday, July 14, 1999 12:35 PM  
Limited One-Year Warranty  
This product is warranted by RadioShack against manufacturing defects in material and workman-  
ship under normal use for one (1) year from the date of purchase from RadioShack company-owned  
stores and authorized RadioShack franchisees and dealers. EXCEPT AS PROVIDED HEREIN, Ra-  
dioShack 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 LIABILITY OR RE-  
SPONSIBILITY TO CUSTOMER OR ANY OTHER PERSON OR ENTITY WITH RESPECT TO ANY  
LIABILITY, LOSS OR DAMAGE CAUSED DIRECTLY OR INDIRECTLY BY USE OR PERFOR-  
MANCE OF THE PRODUCT OR ARISING OUT OF ANY BREACH OF THIS WARRANTY, IN-  
CLUDING, BUT NOT LIMITED TO, ANY DAMAGES RESULTING FROM INCONVENIENCE, LOSS  
OF TIME, DATA, PROPERTY, REVENUE, OR PROFIT OR ANY INDIRECT, SPECIAL, INCIDEN-  
TAL, OR CONSEQUENTIAL DAMAGES, EVEN IF RadioShack HAS BEEN ADVISED 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  
P/N: 4301-3838-0  
Printed in China  
5A8  
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