Manuals - Boss Audio Systems
Contents
1. REL i 1 Pal INT 3RPT ST 14 1 Jon mGCIKY 12 voL FM OH i J a 3055 ma CLOCK BNDILOC o gt Eum Muu Em be 637UA MP3 CDR RW PLAYBACK MUTE J PWR E 1 6 1 amp 2 SEL MENU BUTTON AND VOL KNOB a Press the SEL button briefly it is activated as selecting each mode of E VOL gt VOLUME gt BASS gt TREBLE gt BALANCE gt FADER gt When selecting a desired audio mode rotate the VOL knob to adjust the audio effect In each mode the waiting time is about 5 seconds When the time waiting is over it returns to display the last playback mode The control mode of E VOL is operated with following numeric display VOL MIN 0 1 46 47 MAX BASS TRE 7 6 0 6 7 BAL L l l I R FAD F l 1 LR b When pressed and hold for more than 2 seconds it is activated as cyclical mode of following functions for user s selection gt BEEP ON OFF gt USER SET FLAT CLASSIC ROCK POP gt VOL LAST DEFA gt AMERICA3 EUROPE In radio mode gt STEREO MONO In FM mode gt LOUD ON OFF gt DX LOCAL In FM mode gt CLK ON OFF gt CLK 12 24 mode When selecting a desired audio mode rotate the VOL knob to adjust the audio effect Page 2 4 5 BEE2. the environment and human Output 1000mV CD MAX health This will contribute to the recycling and other forms of reutilization of electrical and CD PLAYER electronic equipment Information concerning where the equipment can be disposed of can System MP3 Audio System be obtained from your local authority Suitable CDs MP3 WMA CD CD R CD RW Disc Frequency characteristics 20Hz 20kHz 3dB 20Hz 20kHz 3dB S N Ratio to CD 80dBA 1KHz Page 1 Page 10 LOCATION AND FUNCTION OF CONTROLS TROUBLE SHOOTING Before using the check list please make all the connections first If you still have guestions after going through the checklist please consult your local customer service representative Common Symptoms Cause Solution If the power supply is properly connected to The car ignition is switched off the car accessory switch the ignition key to ON or ACC The fuse has blown Replace another fuse according to the wiring diagram Presence of CD disc inside the player Remove the disc in the player then put a new upward There is no power The CDs cannot be loaded The CDs are loaded only halfway into the CD tray The transport screws have not been removed Inserting the disc in upside down Insert the compact disc with the label facing upward The surface of CD is extremely dirty Clean the CD or try another CD if this
3. to play the previous track if the playing time is less than 2 seconds Press the gt gt or lt lt button and hold to skip forwards or backwards release to resume normal playback PRESET STATION MEMORY AND gt INT RPT RDM BUTTONS a During radio mode Go to any preset station by pressing one of the 6 preset station buttons 1 6 If one of these buttons is pressed for more than 2 seconds the station currently being listened to will be memorized into the selected preset button b During disc USB mode 1 Press the gt button briefly to interrupt the playback of the disc or USB Press again to resume normal playback ofthe disc or USB Press the gt button and hold for approximately 0 5 seconds to play the firsttrack ofthe disc or USB Page 3 CARE FOR USING CD S About CD R CD R W discs In addition to commercially recorded audio CD s this unit can play CD R and CD R W discs In some cases particularly when recorded on older CD burners some CD R and CD R W discs may not play Also whenever you are recording a CD for playback in this receiver it is recommended that you record at 24x or slower speed for CD R and 4x or slower for CD R W to achieve higher signal guality and better playback performance 1 To keep the disc clean Do not attach any sticker or adhesive tape on the disc Handle the disc by its edge to keep the disc clean and do not touch the surface Before playing a disc wipe it off with a clean dust
4. works or it is damaged correctly the first CD is properly damaged Temperature inside the car is too Cool off until the ambient temperature returns high to normal The volume control is set too low Remove the transport screws before using The device does not work correctly EJECT LOAD PLAY Turn up the volume properly There is no sound The device has not been correctly connected Check the power and ground connection according to the wiring diagram The operation keys do not work 1 The built in microcomputer is not operating properly due to noise 2 Front panel is not properly fix into its place 1 Switch the device off and on again Or press the RESET button to resume the program 2 Reinstall the front panel The installation angle is more than Adjust the installation angle to less than 30 30 degrees degrees The surface of the road is uneven Wait until the road becomes smoother before playing the CD The surface of CD is extremely dirty Clean the CD or try another CD if this works or it is damaged correctly the first CD is properly damaged The sound of the CD player skips No radio reception The antenna cable is not connected Insert the antenna cable firmly into the antenna socket of the device In automatic search The transmission signals are too mode the radio does weak not stop at a trans mitting station Tune in to a radio station manually Page 9
5. P ON BEEP OFF BEEP ON mode The beep is generated when any key is pressed BEEP OFF mode The beep sound is disabled VOL LAST VOL DEFA VOL LAST The radio switches on at the actual volume it had when it was last switched off VOL DEFA After pressing SEL button AVOL will be displayed Then you can pre select a constant switch on volume by using the VOL knob CLK ON OFF CLK ON Clock will always show on the display when power off CLK OFF Clock will disappear on the display when power off POWER ON OFF amp MUTE When the unit is power off the unit comes to on by pressing any button except the RELEASE button When the unit is power on press and hold the power button for more than 0 5 seconds the unit goes into power off mode When the unit is power on press the power to switch the MUTE state on off LCD Display CD SLOT 6 amp 7 TUNE SEEK TRACK SKIP UP DOWN BUTTONS 8 a During RADIO mode Press the gt gt or lt lt button briefly to manual tune up down for the desired radio station freguency step by step Press and hold the gt gt or lt lt button for longer 0 5 seconds to automatically tune up down for the radio station freguency of strong signal b During disc USB playback mode Press the gt gt button briefly to play next track Press the lt lt button briefly to play the current track from the beginning of it if the playing time is more than 2 seconds Press the lt lt button briefly
6. USER S MANUAL USERS MANUAL 637UA MP3 COMPATIBLE CD AM FM RECEIVER 637 U A MP3 COMPATIBLE CD AM FM RECEIVER O AUDIO SYSTEMS BOSS Audio Systems 3451 Lunar Court Oxnard CA 93030 www bossaudio com 800 999 1236 tech support www bossaudio com support OC 0813 bcp ye gaa AUDIO SYSTEMS WIRES CONNECTION WHITE L RGA OUTPUT RCA OUTPUT RED R YE M fs Is f Preface U E 5 m Q x Thank you for purchasing this car audio product O iml A a Please read this manual carefully before operating this car audio product Please keep this manual for future use It will be helpful to you if you are encounter any ANTENNA JACK ISO SOCKET ISO SOCKET SKETCH operational problem CONNECTOR A CONNECTOR B 1 1 Rear Right Speaker Selecting fine audio eguipment is only the start of your musical enjoyment 2 2 Rear Right Speaker Now it is time to consider how to maximize the enjoyment you will get from 3 3 Front Right Speaker knowing how to work your new car stereo receiver 4 Memory 12V 4 Front Right Speaker 5 Auto Antenna Output 5 Front Left Speaker We hope you enjoy using this product and encourage you to always listen at 6 6 Front Left Speaker a moderate safe sound level to avoid any possible hearing damage or loss 7 12V To Ignition Key 7 Rear Left Speaker If you listen to excessively loud sound over time your hearing can adapt
7. free cleaning cloth Wipe the disc outwards from the disc center 2 When one has already been inserted Doing so may damage the unit Insert a disc with labeled surface up or it will damage the unit 3 Do not expose the disc to direct sunlight or nearby heat sources such as heating vents caliduct which can cause the disc to warp Do not leave disc in a car if it is parked in direct sunlight as that will lead to a considerable rise in the temperature inside the car 4 Do not use any secondhand or rented disc usually there is glue on the surface of those discs it will stop the unit working and damage it 5 Always store the disc in its case for protection Scratched up discs will produce poor sound performance and cause CD player to skip 6 In raining day or wet area the moisture may form on the disc or the optical parts the playback may not be possible If moisture forms on the disc wipe it off with a soft cloth If moisture forms on the optical parts of the unit allow the unit to sit for about one hour with power on 7 Do not use solvents such as benzine or thinners Commercially available cleaners or anti static spray will damage the unit SSS Co Page 8 INSTALLATION METHOD This is an anti theft installation method The main unit wears a METAL MOUNTING SLEEVE Please connect the wiring eg the Power supply the Speakers and the Antenna according to the reguirements of this Instruction Manual then instal
8. l the metal mounting sleeve into the car as per the diagram illustrated below To properly fix the metal mounting sleeve bend the tabs of the sleeve against the DASH BOARD with a screwdriver To raise the anti skip capability of the unit please ensure the metal support strap is I connected firmly to the car chassis SS METAL SUPPORT STRAP PLASTIC TRIM RING N FRONT PANEL To remove the CD player out of the mounting sleeve insert the two supplied keys into the left and right side slots of the chassis at the same time NOTE DASHBOARD METAL MOUNTING SLEEVE Remove the two screws that protect the CD player during transportation X x before operating the player Before installing and operating H the CD player remove the metal To attach the removable faceplate insert the mounting sleeve illustrated by right side of the faceplate into the right of the the arrows 2 CD player chassis first Then push the left side of the faceplate into the chassis until you hear it click Page7 2 Press the INT button to sample the first 10 seconds part of each track and the ON will be visible on the LCD In the process of INT press INT button again to stop sampling and to continue playing the current track and the LCD will display OFF 3 Press the RPT button once to play the current track repeatedly and the RPT ONE will be visible on the LCD Press the RPT button twice to play the current folde
9. r repeatedly and the RPT DIR will be visible on the LCD Press the RPT button thrice to stop playing repeatedly mode and the LCD will display OFF 4 Press the RDM button to play all tracks on disc in random order and the RANDOM will be visible on the LCD In the process of RDM press RDM button again to stop playing in random order and the LCD will display OFF 5 Press the 10 and 10button to move up and down10 tracks ata time When the remained total tracks is lack of 10 the both buttons are inactively 9 BAND AND LOC BUTTON 1 In radio mode Press the BND button briefly to select the radio broadcasting band you would like to hear The AM FM band is toggled cyclically through the tuning bands gt FM 1 gt FM 2 gt FM 3 gt AM1 MW1 gt AM 2 MW2 gt Press and hold the BND button to select LOCAL DX mode Note This button is only for FM reception InAM mode LOC is void 2 During MP3 WMA file in disc or USB mode Press the BND button briefly to TRACK SEARCH mode the LCD will display TRK T 000 and flash the bigest digit 0 that the USB stick contain if the number of tracks is less than 100 and more than 9 it will be TRK 00 Then rotate the number of the flashing digit from 0 9 Then press SEL button to confirm the VOL knob to select the number and flash next smaller digit 0 With the same means select the number of the flashing digit After finishing selecting the number of all flashing digit press SEL button to pla
10. the display Then you can adjust HOUR or MINUTE by rotate the VOL knob 16 AUX INPUT JACK Press the mode button to select auxiliary input playing mode Then you can connect any matched external audio device to this socket Use the volume knob to adjust volume 17 USB SOCKET In order to play the file in the USB stick turn over the plastic cover cap then insert the USB stick into the USB socket The system will change into the USB mode automatically and then play the first file in the USB When no needing to do USB operation please cover the plastic cover cap Page5 18 RELEASE BUTTON Press the REL button to release the front control panel from the unit chassis then pull it up a little to remove from the unit chassis When the front control panel is removed the LED indicator flashes 19 RESET BUTTON Before operating the unit for the first time or after replacing the car battery or changing the connections You must reset the unit Press this button with a cuspidal object This operation will erase the clock setting and some stored contents Page 6
11. to 8 GROUND 8 Rear Left Speaker higher volumes and what sounds normal to you may be quite harmful and can cause you to have permanent hearing loss So please practice safe sound ee and always listen at moderate sound levels only Supply Voltage DC 12 V Negative Ground Current Consumption Max 7A Start with your volume control at the lowest setting and slowly increase the level Power Output 60Watts X 4ch until you can hear it comfortably and clearly free from distortion Number of channels 2 Channels Stereo Unit Dimensions 178 W X 165 D X 50 H mm Once you have established this comfortable sound level leave it there 7 W X6 4 DX2 H WARNING FM SECTION Freguency range 87 5MHz 107 9MHz U S A To reduce the risk of fire or electric shock do not use the unit in the rain or moisture SR 87 5MHz 108MHz Europe environment Effective sensitivity 3uV i I F Frequency 10 7MHz To prevent direct exposure to laser beam do not try open the enclosure AM SECTION Visible and invisible laser radiation when open and interlocks defeated Freguency range 530KHz 1710KHz U S A 522KHz 1620KHz Europe f Effective sensitivity 40dB To protect our environment do not dispose of electrical equipment in the domestic waste I F Frequency A50KHz Please return any electrical equipment that you will no longer use to the collection points provided for their disposal RCA LINE OUT This helps avoid the potential effects of incorrect disposal on
12. y the track of the selected serial number 10 MODE BUTTON Press the MODE button to change among tuner radio disc when a disc is loaded USB when an USB stick is inserted and AUX mode 11 EJECT KEY In the power on state the loaded disc can be ejected by pressing the EJ key 12 LOUDNESS BUTTON When press briefly the LOUD mode is turned on its to enhance the bass sound effect when the volume level is low Press again to cancel the loudness effect Page 4 13 AS PS BUTTON Auto storage Preset scan During radio mode 1 when press and hold for more than 1 second the radio searches from the current freguency and checks the signal strength level until 6 station are found And then the 6 stations freguency are preset to the corresponding preset memory numbered bank The auto storage operation is implemented in the each selected band When the auto storage operation is finished the radio execute the Preset Scan 2 when press briefly the radio searches for each preset station in the current band and holds at that preset number for 5 seconds with releasing mute and then search again 14 ST MO BUTTON In FM mode press the ST briefly to select stereo or mono sound mode 15 CLK BUTTON Press the CLK button briefly to display time for 5 seconds on the display and then returns to its previous display unless the button is pressed again Then press the CLK button and hold for more than 1 second until the real time flashes on
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