Audiovox GM 250 User Manual

OWNER'S MANUAL  
ELECTRONICALLY-TUNED  
AM/FM/MPX RADIO WITH  
AUTO-REVERSE CASSETTE PLAYER,  
CD CHANGER CONTROLS  
AND QUARTZ CLOCK  
Model GM-250  
6 FM/AM BAND SELECTOR  
Each time this button is pressed, the radio band is changed. The indication AM,  
FM1 or FM2 will appear on the display panel according to your selection.  
7 MANUAL UP/DOWN TUNING  
SEEK TUNING  
To manually select a radio station, momentarily press the Up Tuning (  
) side of  
) side of  
the button 7 to advance the unit one digit higher or the Down Tuning (  
the button to tune downward. Pressing either side of the button for longer than 0.5  
second will activate the Seek Tuning function and cause the radio to search for  
stationsautomatically. Theradiowillseekthenextstationandstopatthatfrequency.  
Continuing to hold the button will cause the radio to tune rapidly in the selected  
direction until the button is released.  
8 AUTO-STORE TUNING (AS)  
PRE-SET SCAN TUNING (PS)  
During radio operation, press this button momentarily to scan the five stations pre-  
set into the memories of the AM band or the ten pre-set memories of the FM bands.  
The unit will stop at each pre-set station for 5 seconds before continuing to the next  
pre-set station (the channel indicator number on the display panel will flash). Press  
the button again momentarily to stop the Pre-Set Scan operation and remain on the  
selected frequency.  
Pressing the button for longer than 1 second will activate the Auto-Store Tuning,  
whichwillautomaticallyscanthebandandenteruptofivestrongstationsintothepre-  
set memory positions of that band. If you have already set the pre-set memories to  
your favorite stations, activating the Auto-Store feature will erase those stations and  
enterthenewstrongstations. Thisfeatureismostusefulwhentravelinginanewarea  
where you are not familiar with the local stations.  
9 STATION PRE-SET MEMORIES  
To set any of the 5 pre-set memory buttons, use the following procedure:  
1. Turn the unit on and select the desired band.  
2. Selectthefirststationtobepre-setusingtheManualTuning 7 orSeek functions.  
3. Press the pre-set button to be set and continue to hold the button in. The volume  
will be muted for approximately 2 seconds and then return. The station is now set  
into that pre-set-button. To recall that station, press the button momentarily.  
4. Repeat the above procedure for the remaining 4 pre-sets on the band and for the  
other 2 bands of the unit.  
bl LIQUID CRYSTAL DISPLAY PANEL  
The Liquid Crystal Display (LCD) panel displays the frequency, time and activated  
functions.  
NOTE: It is a characteristic of LCD panels that, if subjected to cold temperatures for  
an extended period of time, they will take longer to illuminate than under  
-2-  
normal conditions. In addition, the visibility of the numbers on the LCD may  
slightlydecrease. TheLCDread-outwillreturntonormalwhenthetempera-  
ture increases to a normal range.  
bmCASSETTEDOOR  
Hold the cassette with the exposed tape edge to the right and insert into the cassette  
door. Depress fully until the cassette is engaged and begins playing. When the  
cassette reaches the end of the side of the tape being played, the unit will  
automaticallychangedirectionofplayasshownbythearrowindicationonthedisplay  
panel and play of the other side of the cassete will begin.  
NOTE:ObservecassetteoperationCautionsinCareandMaintenancesectionofthis  
manual.  
bnFAST-FORWARDBUTTON(FF)  
Pushing the Fast-Forward button will cause the tape to move rapidly in the forward  
direction of play. To stop Fast-Forward movement, lightly push the Rewind Button  
bo untiltheFast-Forwardbuttondisengages.  
boREWINDBUTTON(REW)  
PushingtheRewindbuttonwillcausethetapetomoverapidlyinthereversedirection  
ofplay. TostopRewindmovement,lightlypresstheFast-Forwardbutton bn untilthe  
Rewind button disengages.  
bpPROGRAMSELECTOR  
To manually reverse tape direction and play the other side of a cassette, lightly press  
boththeFast-Forward bn andRewind bo buttonsatthesametime. Thechangeof  
direction will be shown by the arrows on the LCD panel.  
bqEJECTBUTTON  
Tape playback is stopped and the cassette is ejected by pressing this button, which  
also has the function of switching over to radio operation.  
brMODESELECTOR  
Thisbuttonisusedtoselecttheaudiosourceinplay. Duringtapeplay, itcanbeused  
to change to radio play without ejecting the cassette. Similarly, it can then be used  
to go back to tape operation from radio play.  
NOTE: To prevent damage to cassette tape and/or mechanism, it is recommended  
that the cassette be ejected if it will not be played for prolonged periods.  
bsTIME/FREQUENCYSELECTOR(T/F)  
During radio operation, push this button to call the time display on the incorporated  
quartz clock. Pressing the button again will return to frequency display.  
During CD changer operation, push this button to call the time display or return to the  
disc and track number indications.  
-3-  
btRE-SETBUTTON  
A re-set button is located on the front panel which must be activated by a pen tip or  
other thin object as it is recessed to prevent accidental engagement. The re-set  
circuitry is provided to protect the microprocessor circuitry and should only be  
activated under the following circumstances as it will erase the time and station pre-  
set memories.  
1. Upon initial installation after all wiring is completed.  
2.Ifthereisamalfunctionofanyoftheswitchesontheunit,pressingthere-setbutton  
may clear the system and return to normal operation.  
SETTING THE CLOCK  
1. Switch the vehicle ignition on and the radio on".  
2. If the radio frequency is shown on the LCD panel bl, press the Time/Frequency  
Selector (T/F) bsmomentarily so that the time display is shown.  
3. With the time display on the LCD panel, press and hold the Time/Frequency  
Selector (T/F) bs for approximately 2 seconds until the time display begins  
flashing.  
4. Within 5 seconds of the display beginning to flash, press the Down Tunin
)
side of the button 7to adjust the hours, then the Up Tuning (  
) side of the  
button to adjust the minutes to the correct time.  
5. After setting the correct time, press the Time/Frequency Selector (T/F) again or  
wait 5 seconds for the display to stop flashing.  
-4-  
CD CHANGER CONTROLS  
Built into this radio are controls to operate an optional 10-disc or 6-disc CD changer.  
Please check with your SPS/Audiovox or Prestige car stereo specialist for recom-  
mendations of the models that will work with this radio.  
Adjustmentofaudiofunctions(volume,tone,balance,andfader)operateinthesame  
manner during CD play as they do for radio/cassette play. The following controls will  
operate the CD changer when it is installed and connected to this radio. Refer to the  
owners manual included with the CD changer for instructions on the installation and  
correct loading and use of the CD magazine.  
buMODESELECTOR(MODE)  
With the CD changer connected to the unit, this button is used to select CD changer  
operation. To choose CD mode, press the button until the DISC and TRACK  
indicationsappearonthedisplaypanel. PresstheModebuttonagaintochangeback  
to radio or tape operation.  
cl & cm DISC SELECT (  
DISC  
)
These buttons are used to select the desired disc for play. To advance to a higher  
number disc, press the  
button cl . To return to a lower number disc, press  
button cm . The number of the disc in play will be shown on the display  
the  
panel.  
cn TRACK SELECT (  
TRACK  
)
This button is used to quickly select the beginning of a particular track. Tap the  
Forward Track Select ( ) side of the button or Backward Track Select (  
)
side of the button to locate the desired track as shown by the track number on the  
display panel.  
co CUE/REVIEW FUNCTIONS (  
) (  
)
High-speed audible search to any section of the disc can be made by the Cue and  
Reviewfunctions. PressandholdtheCue( ) sideofthebutton toadvancerapidly  
in forward direction or the Review (  
backward direction.  
) side of the button to advance rapidly in the  
When the Cue (  
on the disc is reached or the Review (  
) side of the button is held down and the end of the last track  
) side of the button is held down until the  
beginning of the first track is reached, the unit will enter the Pause mode (  
flash on the display panel) until the button is released.  
will  
cpPAUSESELECTOR  
Pressing this button will temporarily stop play of the disc (the  
indication will flash  
onthedisplaypanel). Pressthebuttonagaintoresumeplayofthediscfromthepoint  
at which it had stopped.  
cqTRACK/DISCSCAN(SCAN)  
WhentheScanbutton cq ispressed,theSCANindicationwillappearonthedisplay  
panel and the first 10 seconds of each track on the disc will be played in order. When  
adesiredtrackisreached, presstheScanbutton cq againandplayofthattrackwill  
continue (SCAN will disappear from the display panel). The Track Scan mode will  
also be cancelled by activating any other disc function (Select, Cue, Review, Shuffle  
or Repeat).  
-5-  
WhentheScanbutton cq ispressedandheldlongerthan2seconds, theDISCand  
SCAN indications will appear on the display panel and the first 10 seconds of the  
firsttrackoneachdiscwillbeplayed. Whenadesireddiscisreached,presstheScan  
button cq again and play of the disc will continue (DISC and SCAN will disappear  
from the display panel). The Disc Scan mode will also be cancelled by activating any  
other disc function (Select, Cue, Review, Shuffle or Repeat).  
crTRACK/DISCREPEAT (RPT)  
WhentheRepeatbutton cr ispressed,theRPTindicationwillappearonthedisplay  
panelandplayoftheselectedtrackwillbecontinuallyrepeateduntiltheTrackRepeat  
mcqodeorisSchaunffcleelclesd bfuynpcrteiosnsisn(gRthPeTRweilpl edaistabpuptteoanrcfrormagthaeindoisrpblyayacptaivnaetiln).g the Scan  
When the Repeat button cr is pressed and held longer than 2 seconds, the DISC  
and RPT indications will appear on the display panel and play of the selected disc  
willbecontinuallyrepeated. TheDiscRepeatmodecanbecancelledbypressingthe  
RepeatbuttoncragainorbyactivatingtheScan cq orShuffle cs functions (DISC  
and RPT will disappear from the display panel).  
csTRACK/DISCSHUFFLE(SHF)  
WhentheShufflebutton cs ispressed,theSHFindicationwillappearonthedisplay  
panel andthetracksonthediscwillbeplayedinarandom, shuffledorder. TheTrack  
Select button cn will also select tracks in the shuffled order instead of the normal  
progression. TheTrackShufflemodecanbecancelledbypressingtheShufflebutton  
againorbyactivatingtheScan cq orRepeat cr functions(SHF willdisappearfrom  
the display panel).  
When the Shuffle button cs is pressed and held longer than 2 seconds, the DISC  
and SHF indications will appear on the display panel and the discs in the magazine  
will be played in a random, shuffled order as well as the tracks on each disc. When  
all the tracks on the selected disc have been played, the next disc will be chosen in  
shuffled order and its tracks will be played in shuffled order. The Disc Shuffle mode  
canbecancelledbypressingtheShufflebutton cs againoractivatingtheScan cq  
or Repeat cr functions (DISC and SHF will disappear from the display panel).  
ERROR SIGNS  
If a problem should develop while operating the CD changer, the following error sign  
indications may appear on the display panel.  
E:01 Indicates abnormal disc changer function. Consult your car stereo  
specialist or service facility for further assistance.  
E:02 Indicates excessive temperature conditions. The error sign will go  
offandplaywillresumewhenthechangertemperaturereturnstothe  
normal range.  
E:07 Indicated disc may be loaded in the magazine upside-down. Re-  
load disc properly if necessary. May also indicate that the disc is  
dirty in which case, clean the disc and re-load it. If this does not  
restore correct operation, consult your car stereo specialist or  
service facility for further assistance.  
- - -  
Magazine is not loaded in the changer.  
0 0 0 No discs are loaded in the magazine.  
1:- -  
Nodiscisloadedinmagazinetray#1.(2:--indicationfortray#2,etc.)  
-6-  
CARE AND MAINTENANCE  
The radio portion of your new sound system does not require any maintenance. We  
recommend you keep this manual for future reference on how to set the clock and for  
general reference of the many features found in this unit.  
As with any cassette player, the cassette section of this sound system does require  
aminimumofmaintenancetokeepitingoodworkingcondition. Thefollowingsimple  
careandmaintenancesuggestionsshouldbefollowedtopreventmalfunctionsofthe  
cassette system.  
CASSETTE CARE:  
1. Purchase a cassette cleaning kit from your local retail store. Use it! At least every  
20 to 30 hours of operation you must clean the cassette mechanism. A dirty  
cassette player will have a poor sound.  
2. Do not use cassettes that exceed 45 minutes of play on each side.  
3. Do not insert a cassette that appears to be broken, twisted or dirty or with loose  
or torn labels on it.  
4. Alwayskeepyourcassettesawayfromdirectsunlightorexposuretosub-freezing  
conditions. If a cassette is cold, allow it to warm up before use.  
5. Do not keep a cassette in the player when not in use.  
6. Before inserting a cassette in the player, check that the tape is tightly wound on  
the reels. Take up any excess slack using a pencil to turn the drive hub in the  
cassette (see diagram below).  
Audiovox Corporation, Hauppauge, N.Y. 11788  
Form No. 128-4761  

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