Concept Enterprises CD-303 User's Manual
Contents
1. a 11 Programmable Memory 11 Initial Settings Manual Tuning Automatic Seek Tuning 12 Automatic Scar TUNING usse riri rete 12 cios co incen er m Rana PRAEC ES M Le SIX 12 Automatic Station Memory 12 Last Station 12 Preset Scan Automatic Station Memory Scan 12 Auxiliary Input curre baee een 13 CARE AND MAINTENANCE 13 Compact Disc Care and Maintenance 13 Fuse Replacetrerit ion eterne 13 CD 303 INSTALLATION 552 5 anro entornos 13 Precautiolls estes Pho peiora Pp 13 Required eterne oen ana aeneo n 13 Mechanical Installation Procedures 14 Electrical Installation Procedures 16 Electrical Wiring Diagram 17 Wiring DeseriptloriS roe am na 16 Final System Check oo ntt ayau rr 18 TROUBLE SHOOTING GUIDE 18 SPECIFICATIONS LLL tte en i 20 CD 303 HIGHLIGHTS Your CD 303 is equipped with the latest technological advancements for the ultimate CD sound and radio reception a2. coustie CD 303 FM AM CD PLAYER OPERATION AND INSTALLATION MANUAL 4260 Charter Street Vernon CA 90058 2596 U S A TEL 800 227 8879 or 213 582 2832 FAX 213 582 4328 TLX 910 240 6376 1 I FM2 d Dd AM A DIVISION OF CONCEPT ENTERPRISES INC COPYRIGHT 1991 BY CONCEPT ENTERPRISES INC ALL RIGHTS RESERVED LOUD ASM SP z gt N Lu gt lt 4 a u i a ic RPLY PROG L AA d LO DX ST MO D EO BA e SP 9 gt gt RESET CONGRATULATIONS on purchasing the Coustic CD 303 high power CD player Your choice expresses sophisticated appreciation for fine music reproduction Whether you are adding the Coustic CD 303 to an existing system or installing a completely new system you are certain to notice immediate performance benefits Your CD 303 is aremovable high power car radio and CD player It features high resolution three beam laser pick up a four times oversampling digital filter and a fully calibrated 16 bit digital to analog converter to give you crystal clear compact disc sound reproduction The radio includes advanced design elements like a PLL Phase Lock Loop quartz tuner with precise FM Optimizer V circuitry 18 Preset Station Memories with 12 Automatic Station Memories Preset Scan Bi Level Fader Control Active Bass Treble Tone controls and Auxiliary Input With all of
3. Hz 5 dB 10 dB al 100 Hz 1008 at 10 KHz B dB at 100 Hz 4B 08 at 10 KHz 22 Ohms 500 mV al 1 K Ohms 2 to 4 Ohms x 14 Watts AMS TWxzHx amp eD 178 W x 50 H x 153 D mm DUE TO ONGOING RESEARCH AND PRODUCT IMPROVEMENTS WE RESERVE THE RIGHT TO UPDATE THE LISTED FEATURES AND SPECIFICATIONS WITHOUT ANY PRIOR NOTICE TRAGP 10A36BD0
4. fewer than 6 strong local stations available the Automatic Station Memory will continue storing the next strongest stations across the frequency band until all 6 memories are stored After the process is completed the radio will return to the last station memorized 3 To recall any of the stored local stations press the ASM button once The ASM indicator will appear on the LCD Readout Panel Then press any one of Station Preset buttons 1 to 6 to select a desired station Last Station Memory Your CD 303 will automatically recall the last station played on that band whenever you turn the radio on or change bands Also when you select Automatic Station Memory the radio will recall the station you last played Preset Scan Automatic Station Memory Scan 1 To start a Preset Scan press and hold the SCAN button until you see the frequency indicator flashing on the LCD Read out Panel The radio will scan through the preset memory band stopping to audition every stored station for five seconds 2 When this function is activated you will see frequency numbers for the recalled station preset flashing on the LCD readout panel The P SCAN indicator and preset station number indicator will also appear 3 To start an Automatic Station Memory Scan press the ASM button once and then press and hold the SCAN button for two seconds 4 To stop any preset scan function press the SCAN button again or press any desired preset memory but
5. filter removes high frequency quantiza tion noise inherent in all digital recording An analog filter with a gentle slope then suppresses the remaining very high frequency noise This design guarantees perfect phase linearity and provides dramatic clarity in the soundstage reproduction FULLY CALIBRATED 16 BIT DIGITAL TO ANALOG CONVERTER Also commonly used in home CD players the sophisti cated digital to analog D A converter is precisely calibrated to accurately convert digital information to analog signal providing dedicated acoustic reproduction The converter s accuracy or linearity eliminates harmonic distortion and faithfully repro duces the critical ambience of the original recording ANTI SKIP FLOATING SUSPENSION CD MECHANISM Your CD 303 incorporates the latest technology in CD mechanisms specially designed for automobile applications A rugged floating suspension system allows the CD player to maintain accurate tracking without skipping even on rough roads and at the same time protects the CD mechanism and your CD s from damage THREE INCH DISC COMPATIBILITY Your CD 303 plays not only the standard 5 CD s but also 3 singles without the use of an adaptor SOFT LOAD AUTO PLAY AND AUTO DISC REPEAT The built in Soft Load mechanism smoothly loads any compact disc into the player compartment without the possibil ity of damaging the disc surface The Auto Play feature will play the first track a
6. for at least two seconds to automatically scan and hear your preset stations stored in the CD 303 memory bank 12 stations for FM and 6 for AM When you reach a desired station press the SCAN button again to deactivate this function In CD Mode this control functions as a CD track SCAN Press the SCAN button to listen to the first 10 seconds of each track CONTROLS AND INDICATORS BAND SELECTOR Radio Mode PROGRAM PLAY CONTROL CD Mode Located to the right ofthe SCAN Control this control lets you either select a fre quency band in Radio Mode or start playback of a CD track in CD Mode In Radio Mode this control functions as a radio Band BND Selector Press the PP BND button to select a desired fre quency band FM1 FM2 or AM Your selection will appear on the LCD Read out Panel next to the radio frequency numbers In CD Mode this control functions as a CD Program Play Control Press the PP BND button to start playback of pre programmed CD tracks PRESET STATION CONTROL Located to the right of the BND Selector Jo p s are6buttons labelled 1 through 6 which are used for storing and recalling station presets When you want to recall a sta tion frequency from memory just selecta band FM1 FM2 or AM by pressing BND and then press any Preset Station button 1 through 6 The tuner will imme diately receive the frequency stored in the selected memory location FM LOCAL DISTANT SELECTOR Lo
7. free music reproduction you can switch the tuner either to Distant mode or to Mono reception to improve sound quality AUXILIARY INPUT This feature allows the CD 303 to receive audio signals from an external source such as a CD changer or cassette player You can control the volume bass treble and fader settings of the external source through the CD 303 s front panel LOUDNESS CONTROL Your CD 303 has a built in Loudness Control Fletcher Munson type to automatically compensate for low volume loss of audible bass and treble frequencies You can easily activate this special circuit by pressing the Loudness Control button ACTIVE BASS AND TREBLE TONE CONTROLS Special tone control circuits which utilize an operational amplifier based on analog computer technology provide a buffer an active tone equalizer a line driver and an audio amplifier This special circuit produces extra amplifier head room for lower noise and far wider dynamic range than was possible with previous designs BI LEVEL FADER CONTROL Speakers and Pre Amp A Bi Level Fader Control allows you to adjust the relative level of front and rear pre amp outputs as well as the level of the front and rear speaker outputs simultaneously VARIABLE TWO COLOR CONTROL PANEL ILLUMINATION Your CD 303 has a Switchable Two Color Amber or Green Control Panel Illumination to match your car s dash board illumination standard REMOVABLE CHASSIS WITH LITHIUM BACK UP BATT
8. its features right away For more detailed operating instructions about each feature refer to the OPERATIONS section HIGH POWER FM AM CD PLAYER BI LEVEL SYSTEM LOUD SP PROG CO Co cS AUDIO 44 bb LO DX ST MO C C ORBE C CO C ve omm oo pers I FM1 sp Au ILI Figure 1 CD 303 Front Panel POWER ON OFF VOLUME CONTROL BALANCE CONTROL AND AUXILIARY INPUT CONTROL This single control allows you to access and set several functions Power ON Turnonuaunitby rotating the knob clockwise CW Power Off Turn off unit by rotating the knob counterclockwise CCW Increase volume by rotat ingthe knob CW Decrease volume with continued CCW rotation of knob Gently PULL out knob and rotate it CW to increase right speaker volume or CCW to increase left speaker volume When you achieve a desired bal ance push the knob in to retain the setting PUSH the knob once to switch the unit to Auxiliary Input Mode VOL ume BAL ance AUX input FADER CONTROL Located behind the VOLUME Control the FAD er Control allows you to set the volume levels between front and rear speakers as well as line level outputs Clockwise rotation of this control will in crease volume of front speaker outputs OFAD as well as the front pre amp outputs Counter clockwise rotation will increase vol ume of rear speaker outputs as well as the rear pre amp outputs BASS CONTROL Located below t
9. make sure ihe system s ground point makes good contact with running with the audio system the chassis ground bare metal valume ee at a high level Check fo make sure battery cables are tightly connected power Check all tues Check all power wire connections Use a mar 1 verily tho systarm is recaiving 12 V DC 11 External Ampitier cannot be Check to make sura that the in line fuse es intact Replace the fuse if blown imed on by power antennae remote Amp trigger Tha CD 303 is vary hot tothe Check to ses thal tha system s ground point makes a good corriaci with the chassis ground touch when the syster is on ibare with woluma m sel at rannal Speakers ane shorad 10 ground Use a Yahm matar to check the speaker connections listening level As you and make the necessary corrections increase Ehe volume level ihe sound goes efl and an at even intervals 13 When ihe audi system ism This is rackated and the problem is MOT caused by the CD 303 CD MODE only and tha Plaase contact your local retailer installar since the solution is beyond engine is running you hear a the scope of this manual whining noise that increases and decreases as you vary fhe volurs lawal When audio eyetem is in FM lt This is rackated spark noisa and the problem is NOT caused by the GD 3D3 or mode and the angine Please contact your local atalen installer since the soluan is beyond
10. these features at your fingertips you are assured of receiving the best possible performance from your car audio system now and in the years to come Coustic does not just manufacture full featured FM AM CD players We also build advanced radio cassette units high performance power amplifiers unique electronic crossovers dynamic hi fi component speakers and graphic equalizers everything you need to create the ultimate car audio system Coustic a Sound Investment No part of this publication may be reproduced stored in a retrieval system or transmitted any form or by any means electronic mechanical photocopying recording or otherwise without the prior written permission of CONCEPT ENTERPRISES Inc Model No Dealer Stamp Serial No Date of Purchase 2 TABLE OF CONTENTS Section Page FEATURES OF COUSTIC CD 303 4 CONTROLS AND INDICATORS 6 CONOIS arenes 6 A 9 OPERATION CD PLAYER AND RADIO 10 CD Player ODOtatilOli s eco vienes 10 16 1 n 10 Intt o SCAN icai ise rai cnm er en ir p Fe 10 TACK ert ie pr ee pins 10 Audible Music Search 11 Shuffle Play uu LS rra eite re 11 Repeal
11. to green or green to amber CAUTION THIS UNIT HAS A BUILT IN POWER AMPLI FIER DO NOT CONNECT ANY SPEAKER TERMINAL TO GROUND AND DO NOT SHORT ANY SPEAKER WIRES TOGETHER IMPROPER GROUNDING AND SHORTING OF WIRES WILL DAMAGE UNIT ALL POSITIVE AND NEGATIVE SPEAKER WIRE PAIRS FROM THIS RADIO MUST BE CONNECTED DIRECTLY TO EACH SPEAKER TERMINAL PAIR TO AVOID UNNECESSARY DAMAGE TO UNIT BE SURE TO CONNECT THE RED POWER WIRE 12 V DC FIRST ANTENNA INPUT D AUX INPUT BLACK 5 Ww a CC 55 COMPACT DISC CHANGER RIGHT FRONT SPEAKER LEFT FRONT SPEAKER GRAY BLACK WHITE BLACK LEFT RIGHT REAR REAR SPEAKER SPEAKER CD 303 COMPACT DISC PLAYER FRONT PANEL ILLUMINATION SWITCH BLACK GROUND w w TO IGNITION mO SWITCH BLUE TO POWER ANTENNA c E REMOTE POWER AMPLIFIER TRIGGER AMP 360 460 POWER AMPLIFIER OPTIONAL FRONT LINE 10 LEVEL OUTPUT TO LOUDSPEAKER SYSTEMS AMP 360 460 POWER AMPLIFIER OPTIONAL REAR LINE LEVEL OUTPUT BLACK TO LOUDSPEAKER SYSTEMS Figure 13 Electrical Wiring Diagram 17 FINAL SYSTEM CHECK After you have successtully performed the Mechanical and Electrical Installation Procedures your CD 303 will be ready for pre
12. ward Search 44 button Search will stop at the end of the last track on the disc To resume play release the search button and the player will start playing again with the first track uffle Play Insert a disc see step 1 under Disc Play Tostartarandom track playback press the Shuffle Play SP button The SP indicator will appear on the display to confirm your selection and the disc player will randomly select a track on the disc for immediate playback To cancel Shuffle Play simply press the SP button again and normal playback will resume The SP indicator will disappear from the display peat Track Insert a disc see step 1 under Disc Play Torepeatatrack press the Repeat Track RPT button once The RPT indicator will appear on the display and the CD Player will continuously play the current track until you cancel the Repeat Track feature To cancel the Repeat Track feature press the RPT button again Notice that the RPT indicator disappears from the display Programmable Memory Your CD 303 player can store up to 16 CD tracks in its memory The Memory feature lets you listen to a selection of favorite tracks from any CD The programmed sequence will remain in memory as long as the disc remains loaded To 1 2 use the Programmable Memory follow these steps Insert a disc see step 1 under Disc Play Press the Program PROG button once The two digits that normally show elapsed Minu
13. 303 can be tuned three different ways Manual Tuning 1 Press the UP Tuning gt or Down Tuning 44 button once to access the next higher or lower station 2 To increase the speed of tuning press and hold either the gt gt or 44 button until a desired station is reached Automatic Seek Tuning 1 Press the Up Seek A or Down Seek vied button once for Automatic Seek Tuning The Tuner will immedi ately seek up or down the frequency band and stop at the next station 2 Press either button again to start Automatic Seek Tuning for the next station Automatic Scan Tuning 1 Press the SCAN button once to activate Automatic Scan Tuning The SCAN indicator will appear on the LCD Readout Panel and the Tuner will immediately scan up the frequency band locking on the next station for five seconds The locked station s frequency will be displayed on the LCD Readout Panel and will flash for approximately five seconds to confirm location of a scanned station 2 The radio will continue to scan up the frequency band locking onto the next radio station for five seconds Automatic Scan Tuning will continue indefinitely until you cancel it 3 When you want to continue to listen to a station found by Automatic Scan Tuning simply press the SCAN button again to cancel the scanning process Memory Your CD 303 can store 12 FM 6 each in FM1 and FM2 and 6 AM stations in its regular memory 1 To store a station s f
14. Check to see whether the disc you are trying to load is dirty IF sa try cleaning ar another ona TROUBLE SHOOTING GUIDE SYMPTOM PROBABLE CAUSES AND SOLUTIONS B Audio gygtem ig not receiveng SEE 1 indicator flashes The temperature inside the player is tag high amd ihe intemal protection circuit Ihe LCD Readout Panel has ahut dawn tha CD section Any loaded disc will automatically be ejected and the unit will ener the Radio Mode Wait unb the interior af the car cools alt then insert the disc again SEE 3 indicator lashes on The unit will nat operate due tn an internal fault Press the RESET button to clear fault tha LCD Pieadout Panal IF symptom parsisis consult your Coustic dealer for additional help You hear whining nose that install a amp amp i e iter an poser wire of CD 303 H this procedure does not increases or decroases as you eliminate the misg wr albarmator diodes or tha volage regulator may not be functioning vary the voluma of all saund properly and may need 10 be repaired reaplaced saurbes FM AM ar GD Check to make sure that the CD 303 chassis t property grounded to vehice s The engine is running and chassis ground yau ane listening t the audio sysiom al a normal bevel You haar metor boatirig Check the red power wire connection Malus suni it is connected directly to the battery sound when ihe engine is Check the batter and
15. ER FRONT LEFT SPEAKER LEFT SPEAKER REAR LEFT SPEAKER DESCRIPTION Connect to a switched constant 12 V DC source Connect to vehicle s chassis ground bare metal Connect to relay of electrical antenna if available If using CD 303 to turn on external amplifier connect to remote triggering terminal of power amplifier Connect to positive terminal of front left speaker Connect to negative terminal of left speakers Connect to positive terminal of rear left speaker FRONT RIGHT SPEAKER Connect to positive terminal of front right speaker RIGHT SPEAKER REAR RIGHT SPEAKER EXTERNAL ANTENNA TO CD 303 CD 303 TO EXTERNAL POWER AMPLIFIER CD 303 TO EXTERNAL POWER AMPLIFIER CD 303 TO EXTERNAL SOURCE Connect to negative terminal of right speakers Connect to positive terminal of rear right speaker Connect from external antenna to CD 303 Connect from front outputs of CD 303 to external power amplifier Connect from rear outputs of CD 303 to external power amplifier Connect from auxiliary input of CD 303 to external source CD 303 INSTALLATION Electrical Wiring Diagram Use the Electrical Wiring Diagram shown in Figure 13 when you install the CD 303 in your car After you have performed the Final System Check you can change the front panel illumination color by sliding the switch located on the left side of the chassis This switches the illumination from amber
16. ERY You can easily slide the CD 303 out of its metal case while still retaining memory presets via the built in Lithium Back Up Battery GOLD PLATED FRONT REAR PRE AMP OUTPUT CONNECTORS Your CD 303 has built in gold plated front and rear pre amp output connectors for easy and reliable connection to external power amplifiers Although they are more expensive gold plated connectors are non corrosive and remain conduc tive overlong periods oftime Gold plated connectors also have alower contact resistance which ensures extended frequency response lower distortion improved dynamic range and bet ter signal to noise performance BUILT IN HIGH POWER AMPLIFIER The CD 303 s built in high power amplifier provides ample power for front and rear speaker components in your audio system Maximum output is 4 X 15 watts CONTROLS AND INDICATORS This section will help you become familiar with controls and display indicators on the front panel of your COUSTIC CD 303 HIGH POWER FWAM MPX COMPACT DISC PLAYER shown in Figure 1 Take a few moments to read the information presented in this section It will help to facilitate your understanding of the powerful control options available at your fingertips As you read about each control we suggest you try experimenting with the control setting at the same time to briefly learn the effect of its range of adjustment This exercise will help you quickly master your CD 303 so that you can begin enjoying all of
17. NTRO SCAN INDICATOR CD Mode In Radio Mode the SCAN indicator appears whenever you select Scan tuning SCAN button In CD Mode the SCAN indicator appears whenever you select the Intro Scan feature SCAN button 10 11 12 13 14 15 PRESET SCAN INDICATOR Radio Mode Only The P SCAN indicator appears whenever you select the Preset Scan feature by pressing and holding the SCAN button DISTANT MODE INDICATOR The DX indicator appears whenever you switch the FM tuner into Distant reception LO DX button When you select Local reception to capture only strong local FM stations the DX indicator disappears from the LCD Read out Panel FM STEREO INDICATOR When the tuner is receiving an FM stereo signal the indicator appears on the LCD Readout Panel Whenever you select mono reception ST MO button or if the broadcast material is in mono the indicator will not appear PRESET STATION IDENTIFICATION Radio Mode TRACK NUMBER INDICATOR CD Mode In Radio Mode the number indicates which Preset Memory 1 6 is being recalled or programmed In CD Mode the number indicates the track being played BAND INDICATOR In Radio Mode either an FM1 FM2 or AM indicator appears when you select a radio band BND button RADIO FREQUENCY Radio Mode ELAPSED TIME DISPLAY CD Mode In Radio Mode up to four numbers indicate the selected station s frequency In CD Mode the digits indicate the elapsed time of the
18. OUBLE SHOOTING GUIDE below M tha audio system does not emit any noise double check the 412 V DC i connected to all power inpuls After making ihe necessary corrections slowly power again If symptoms still exist refer to the TAHOUBLE SHOOTING GUIDE at back of this manual for additional bo see hat the wiring cabess are safely placed help TROUBLE SHOOTING GUIDE SYMPTOM PROBABLE CAUSES AND SOLUTIONS The built in microprocessor is suffering from noise intarference Remove the compact dac Then insert agam and press The button 1 The function keys do not werk 2 Errabe behavior in CD mode The mounting sleeve is not properly secured Make sure tha rear of the slaave is properly supported either by bushing support or metal strap 3 Music skips inthe CO made The installation angle is greater than 30 degrees Ra Install the unit at an angle less than 30 degrees The dise i extremely dirty Clean the disc and try again 4 The CD sound quality is poor The disc is dirty Glean the disc and try again The disc s dalactive Try another desc 5 You cannot load disc or Check bo see il har 16 another disc alraady loaded 18 so movi the disc and tha ajact it rima ana The temperature in The car is too high Waet until interior cools off and try again There is condensation on the player s optical components Turn ihe player off far an hour ar longer and iry again
19. cated to the right of the Manual Up Down Tuning Control the FM Local Dis C tantSelector control lets you match your CD 303 tuner to desired FM signal strengths To receive signals from distant FM stations press the L0 DX Local Dis tant button until the DX indicator ap pears on the LCD Readout Panel To receive only strong local FM stations press the LO DX button again until the DX disappears from the LCD Readout Panel FM STEREO MONO SELECTOR Located to the right of the LO DX Selec STMO tor the FM Stereo Mono Selector allows c you to select either stereo or mono repro duction of an FM signal Press the ST MO Stereo Mono button and observe the ST indicator appearing on the LCD Readout Panel The stereo signal indicator Eig will light up when a stereo broadcast is re ceived When the receiving signal is too weak or too noisy press the ST MO button to select mono reception Both STand indicators will disappear from the LCD Readout Panel indicating that the tuner is in mono reception LOUDNESS CONTROL Located directly above the Manual Up Loup Down Tuning Control the LOUD ness Control allows you to boost the high and low frequencies in either CD or Radio Mode Press the LOUD button to activate a Loudness Control circuit and observe that a LOUD indicator appears on the LCD Readout Panel Use this feature when you want to compensate for acous tic losses inside the car or when listening at low volume level
20. ectly to the right of the TREBLE Con trol Additional steps may be required For these refer to the TROUBLE SHOOT ING GUIDE located at the end of this manual CD PLAYER TUNER SELECTOR Located at the lower right corner the CD TUNE selector switches power be tween the CD player and the tuner The LCD Readout Panel directly above CD TUNE confirms your mode selection by displaying associated indicators in cluding track number CD Mode or sta tion frequency Radio Mode When your CD 303 is in CD play mode press the CD TUNE button once to stop disc play and switch the unit to Radio Mode When you want to return to CD Mode press the CD TUNE button again and the unit will start playing from the beginning of the last track played AUTO UP DOWN SEEK TUNING CONTROL Radio Mode FORWARD BACKWARD SKIP CONTROL CD Mode Located below the BASS and TREBLE controls this button allows you to access two sets of search functions In Radio Mode the control functions as an Auto Up Down Seek Tuning Control to let you automatically search for the near est available station Press the Up Seek button ppiA or the Down Seek button once to allow the tuner to search and stop the instant a station signal is received Press the seek button again to search for the next station In CD mode the control functions as a Forward Backward Skip Button to let you access particular tracks ona CD Press the Forward Skip button pA
21. eve Figure 9 Securing the Mounting Sleeve 5 Secure the mounting sleeve to the dashboard by bending the flanges 90 If necessary use a screwdriver and or pair of needle nose pliers see Figure 7 CAUTION BE CAREFUL NOT TO SCRATCH THE DASHBOARD WHEN BENDING THE FLANGES 6 Ifyou were able to secure the Mounting Sleeve properly in steps 4 and 5 above skip this step and go on to step 7 Otherwise secure the rear of the sleeve to the vehicle by fastening the metal strap Supplied as shown in Figure 10 7 Ifthere is enough space mount the filter box to the firewall with a tapping screw see Figure 10 8 After the sleeve has been firmly secured insert the CD 303 chassis slowly into the sleeve It will be locked securely by a spring loaded catch on the left side of the unit 9 You can remove the chassis by pushing the left side raising the handle and then pulling on it as shown in Figure 11 Metal Body or Chassis Mounting gt Sleeve Filter Box l Dashboard Screw Figure 10 Securing the Rear of Mounting Sleeve DASHBOARD Figure 11 Removing the CD 303 chassis from the Mounting Sleeve 15 CD 303 INSTALLATION ELECTRICAL INSTALLATION PROCEDURES 4 Remember exactly how you removed each part from the vehicle so you can easily put each one back in its location Try placing each piece of hardware you remove into one or more containers to help reduce the chance of losing impo
22. he VOLUME Control the alternate action BASS Control allows you to alter the bass low frequencies of the reproduced sound First push the knob in then rotate it clockwise to increase bass or counterclockwise to decrease bass When you are satisfied with the level of low frequency response simply push the knob in again to retain the setting TREBLE CONTROL Also located below the VOLUME Con trol the alternate action TREBLE Control allows you to alter the treble high fre quencies of the reproduced sound First push the knob in then rotate it clockwise to increase treble or counterclockwise to decrease treble When you are satisfied with the level of high frequency response simply push the knob in again to retain the setting TREBLE LJ CONTROLS AND INDICATORS coustic HIGH POWER FM AM CD PLAYER BI LEVEL SYSTEM CD 303 DISC LOADING SLOT To play a CD load the disc into the CD loading slot CD EJECT BUTTON To remove a CD from the player press QNHEB the CD eject button located to the right of the CD Loading Slot RESET BUTTON Your CD 303 uses an advanced micro ORESET processor to monitor and to control a number of electronic functions Some times static electricity or noise spikes on your car s electrical system can jumble the instruction set causing an improper sequence of events to occur To clear this problem and restore normal opera tion press the RESET Button located dir
23. is running you hear a rapid the scope of ihis mansal bcking sound hal increases and decreases as you vary valur hine Audio amp ystem sounds ok bui Speakers are wired phase to eachother causing the bass Irequencses to cancel out weak Bass does sound Check the wiring From rado to the speakera normal Wien you adjust the Make sure ihe connections are routed to and balance contre from laf to right you hear more bass the center position than at the extreme positions 19 SPECIFICATIONS CD PLAYER SECTION Quantization Sampling Frequency Laser Pick up SN Ratio Dynamic Range Frequency Response Channel Separatinn THD RADIO SECTION Range Usable Sensitivity F Image Aajectian S N Ratio Separation GENERAL Power Source Input Currant Distortion Frequency Response Bass Control Treble Gontral Loudness Control Aux Input Impedance Output impedance Pre amp Output Speaker Output Output Power Chassis Dimensions 16 Bit WA Gonverter 44 1 KHz Four Times Oversampling Three Beam gt 90 dB gt 20 dB 3 to 20 000 Hz z 2 dB 255 dB 0 05 FM AM 87 5 to 107 8 MHz 530 1n 1710 KHz 2 D pV lor SN 30 dB 30 pV for S N 20 dB 75 dB 45 dB 60 dB 45 dB 100 dB 60 dB 50 dB 35 dB 13 8 volts DC negative ground 7 5 amps maximum 0 09 al 1 KHz 1 Wall 20 to 25 000
24. isticated phase lock loop PLL quartz synthesizer tuner and a microprocessor to provide extremely accurate tuning ADVANCED FM OPTIMIZER V CIRCUITRY The CD 303 circuitry contains the latest in technological developments including An improved dual MOS FET Two Stage Input Signal Control Circuit a redesigned quasi Four Gang High Gain Low Noise Tuned Front End Advanced FM Optimizer V circuitry with Keyed Automatic Gain Control AGC and a new IF circuit with PIN Diode Control The Two Stage Input Signal Control Circuit uses a PIN Diode at the first stage to preserve desired signal path and to restrict strong signals from overloading the front end At the second stage a new IF Circuit lowers the front end gain to further reduce interference Following that a dual RF balanced mixer provides in creased spurious rejection for enhanced FM selectivity The end result is total elimination of front end overload more dynamic range of signal processing and further enhancement of Stereo Noise Control SNC operation The new Advanced FM Optimizer V Circuitry continuously monitors FM signal strength and adjusts stereo separation audio bandwidth and audio level to guarantee the best wide band signal to noise ratio With this circuit off channel overloading and the picket fencing effects of multi path reception are virtually eliminated FEATURES BUILT IN FM NOISE CANCELLER This circuit promotes interference free FM reception suppre
25. liminary adjustment and testing However you must first connect tha battery ground cable refer to the ELECTRICAL INSTALLATION Section for details Tests Adjust tame conirols balance control and tader contral to ha their center positions Turn the power CAUTION Do not overdrive the system a surge of high 4 After you have Eucceastully completed the abowe steps burn the power eff and proceed to the next section Mase Check Cthenwse refer to the TROUBLE SHOOTING GUIDE balow Noise Check Mow check ihe audio system far noise wilh the lollowing power from amplifiers could damage audio compo Slope meni Stan angina 3 Slowly turn the volume up and carpluliy lester or look for 2 Tum Ine audio system power QN A Obvious distortion ithe sound is distorted turn the power off and rplar ta the TROUBLE SHOOTING GUIDE ai of this manual No sound no hiss of total silence I you hear mo sound and no hias turn the power off immediately Double check all power connections a Valt Ohrm meter VOM or Digital Volt Meier DWM to make sure there is good chassis ground for each compo nant that meade to be grounded Also check to sea that Rayu tho engine and vary the volume of he audio system while listening lor ariy granted noise like a whine or a tekuna some H you do hear whine or beking sound turn both ihe audia EyEtem and angina off Refer io the TR
26. ndicating the program sequence will display the capacity of programs 16 tracks maximum return to the first program and begin to flash again The Seconds digit will then display the track number stored in Program Memory 1 Use the Forward or Backward Skip buttons to select your new track for entry into Program Memory 1 Repeat steps 2 through 5 listed above for additional memory reprogramming b During normal play or program play you can reprogram a memory by first pressing the PROG button once The Minutes digit will indicate Program Memory 1 and the Seconds digit will display the track number Repeat steps 2 through 5 listed above to reprogram your favorite tracks The programmed sequence will remain in memory as long at the disc is NOT REMOVED from the slot For program play you can use any of the functions described above such as Repeat Intro Scan Forward and Backward Skip etc NOTE Program Play will NOT function if the disc is not programmed or the programmed disc is REMOVED from the slot 11 OPERATION OF THE CD 303 RADIO OPERATION To operate your CD 303 in Radio Mode follow these steps Initial Settings 1 Firstturnthe power ON Then selectthe desired radio band by pushing the BND button Your selected band AM FM1 or FM2 and the last tuned frequency will be displayed on the LCD Readout Panel 2 Adjust the volume balance fader and tone controls to your listening preference In Radio Mode the CD
27. ntly insert a compact disc into the slot with the label facing upwards The CD mecha nism will automatically load the disc and immediately start playing the first track Observe that the and indicators appear on the LCD Readout Panel You will also see the track number and elapsed time of play in minutes and seconds Next adjust the volume balance fader and tone controls to your listening preference NOTE This unit will also play 3 compact discs singles without the use of an adaptor When inserting a 3 disc into the CD player the indicator will appear on the display 10 2 To eject a disc press the Eject button once The compact disc will eject halfway from the slot At this point you can remove the disc or resume play Toresume play gently push the disc back into the slot again and the unit will start playing the interrupted track 3 Inaddition to the normal play function your CD 303 can also perform AUTO CONTINUOUS PLAY indefinite repeat of the entire disc This feature automatically sets in whenever the end of the disc is reached unless you select another function to defeat this action Intro Scan 1 Insert a disc see step 1 under Disc Play 2 Press the SCAN button once and observe the SCAN indica tor appearing on the LCD Readout Panel The CD Player will play the first track for 10 seconds before it scans to the beginning of the second track and plays it for 10 seconds and so on When the last t
28. or more details In CD Mode this control functions as a Repeat Track RPT Control Press the RPT button anytime you want to repeat the track currently being played CONTROLS AND INDICATORS LCD READOUT PANEL Located below the CD Loading Slot the LCD Readout Panel provides you with visual feedback for each selected function The following sections provide details on each indicator LOUDNESS CONTROL INDICATOR The LOUD indicator appears on the LCD Panel whenever you select the Loudness Control circuit LOUD button SHUFFLE PLAY INDICATOR The SPindicator appears whenever you select the Shuffle Play feature SP button COMPACT DISC IN INDICATOR The indicator appears whenever you load a compact disc into the player with CD Mode selected CD TUNE button THREE INCH CD SINGLE INDICATOR The indicator appears whenever you load a 3 inch CD single into the CD player TRACK REPEAT INDICATOR The indicator appears whenever you select the Track Repeat feature RPT button COMPACT DISC PLAY INDICATOR The play arrow indicator gt appears whenever you begin playback of a compact disc DISC PROGRAM PLAY INDICATOR The disc program play indicator P p appears whenever you have selected playback of pre programmed CD tracks AUTOMATIC STATION MEMORY INDICATOR The Automatic Station Memory indicator ASM appears whenever you place the tuner into the Automatic Station Memory mode SCAN TUNING INDICATOR Radio Mode I
29. pth Required Installation 1 Ifyourcarisadomesticmodel Ford GM etc make sure there is enough room i e width height and depth before attempting installation You may need an additional instal lation kit If so contact American International Metra Scosche or your local Coustic dealer 2 Before you mount the CD 303 in your car check to make sure that the unit is level or that the mounting angle is not greater than 30 to the horizontal see Figure 5 If the unit has to be mounted at an angle make sure that the tilt is no more than 30 EXCELLENT 0 0 NO GOOD 0 A Figure 7 Mounting Less than 30 to Horizontal 3 Use the CD 303 mounting sleeve to check the dash opening and depth Make sure the mounting sleeve slides easily into the dash opening but without any excessive play no more than 1 16 or 1 5 mm on all sides CAUTION Make sure that the mounting sleeve is correctly oriented with the cables connectors on the left hand side CD 303 INSTALLATION 4 In some vehicles the firewall provides a bushing support forthe rear of the sleeve Check the firewall for this bushing support before installing the sleeve see Figure 7 If the support is available insert the rubber grommet supplied to the stud at the back of the sleeve and slide the sleeve into place as shown in Figure 8 Metal Body or Chassis Indication Bendable Mounting Tabs Mounting Sle
30. r tant parts Your Coustic CD 303 is equipped with its own electrical wiring harness You can select from a wide variety of audio cable available on the market Choose the size that fits your budget and performance preference 5 To both protect and conceal the wiring we recommend using automotive flexible plastic tubing and plastic tie wraps to bundle wires for ease of handling see Figure 12 Wiring Precautions 1 For safety purposes first disconnect the battery ground cable before you start any electrical installation 2 Verify your wiring connections from one component to the next Make sure that you plug outputs into inputs and not inputs into inputs 3 Route all new wires with existing electrical wiring in your vehicle to conceal them from view In order to have a neat and clean installation you may have to remove kick panels door sills etc CAUTION DO NOT ROUTE AUDIO CABLE AND POWER inse CABLE TOGETHER DOING SO CAN CAUSE ENGINE NOISE IN YOUR AUDIO SYSTEM Figure 12 Flexible Plastic Tubing and Tie wraps WIRING DESCRIPTIONS The following table lists the wiring code and the connection points used in the Electrical Installation of the CD 303 ELECTRICAL WHITE WHITE BLACK GREEN GRAY GRAY BLACK VIOLET ANTENNA INPUT FRONT LINE LEVEL OUTPUT GRAY REAR LINE LEVEL OUTPUT BLACK AUXILIARY INPUT BLACK PRIME CONNECTION SWITCHED 12 V DC GROUND POWER ANTENNA REMOTE AMPLIFIER TRIGG
31. rack has been scanned the CD Player will return to scan the first track starting over again The SCAN function will continue unless you interrupt it by selecting another function or cancel it by pressing the SCAN button again The CD player will then return to normal play mode Hee Skip Insert a disc see step 1 under Disc Play 2 Press the Forward Skip ppiA button once to skip to the next track The next track number will appear on the LCD Readout Panel Press the Backward Skip V 4 button to return to the start of the previous track 3 To quickly access a distant track simply hold down the Forward or Backward 44 Skip button until you see the desired track number on the display 4 The Track Skip feature stops when the lasttrack is reached To play the first track on a disc simply press the REPLAY RPLY button OPERATION OF THE CD 303 Au 1 2 Sh 1 2 Re 1 2 dible Music Search Insert a disc see step 1 under Disc Play To quickly audition a current track press the Forward Search pp button Notice that the elapsed time display on the LCD Readout Panel updates with the faster search speed Ifyou continuously press and hold the Forward Search pp button a faster search up to 20 times normal play speed will occur The elapsed time readout on the display will also update according to the faster search speed To perform a backward search press and hold the Back
32. re crimping tool 8 Electrical tape or heat shrink tube for professional finish 9 Soldering iron and solder 10 Nylon tie wraps 11 Volt Ohm meter VOM or DVM 13 CD 303 INSTALLATION This section provides you with the Mechanical and Electrical Installation Procedures to successfully install your CD 303 in any vehicle The Final System Check at the end of the section will help you test your installation MECHANICAL INSTALLATION PROCEDURES Mechanical Installation Procedures include Removal of Transit Screw Mounting Location and Installation Removal of Transit Screw In order to prevent any problems during transport a transit screw has been attached to the top of the unit Before installa tion be sure to remove the transit screw see Figure 4 TRANSIT y Figure 4 Removal of Transit Screw Mounting Location 1 Select a mounting location that is convenient and easily accessible usually in the dash 2 Donotmountunit near the engine or any heat generating ducts Doing so will cause damage to the unit as well as void the product warranty 3 The CD 303 is a standard DIN E chassis requiring an opening of 2 1 8 inches 53 mm x 7 1 16 inches 182 mm as shown in Figure 3 4 Make sure there is a clearance of at least seven inches 178 mm behind the dash see Figure 5 Ed 2 1 8 53 mm 7 116 182 mm gt Figure 5 Opening Required 14 7 178 mm T 2 1 8 53 mm Figure 6 De
33. requency into memory first select the desired band by pressing the PPeBND button and select a station with Automatic Seek Tuning Automatic Scan Tun ing or manual tuning 2 Press and hold one of the Station Preset buttons 1 6 for at least two seconds until you see the preset station number indicator e g c1 appear on the LCD Readout During this period the radio will be muted temporarily 12 3 Repeat steps 1 and 2 above to preset other desired station frequencies into other Station Preset memories 4 Torecallastation frequency from stored memory first select the radio band by pressing the PPeBND button and then press the Station Preset button corresponding to the desired station The recalled station number will immediately appear on the LCD Readout Panel and you will begin to hear the station s audio Automatic Station Memory In addition to the regular memory capacity your CD 303 can also store the 6 AM and 6 FM stations in a given area which emit the strongest signals You can use this feature while traveling without disrupting the regular memory 1 Select the desired band by pressing the PPeBND button 2 Next press and hold the ASM button for at least two seconds until you see the ASM indicator flashing on the LCD Readout Panel The radio will now search for the stronger local stations across the band It will automatically store into memory those stations that have sufficient signal strength Even if there are
34. s When you press LOUD again the circuit is deactivated and the LOUD indicator disappears SHUFFLE PLAY CONTROL Located to the right of the LOUD button sp X this control allows you to select random playback of CD tracks Press the SP Shuffle Play button once to start con tinuous random playback of all tracks and observe that an SPindicator appears on the LCD Readout Panel To deacti vate this function press SP again and observethatthe SPindicator disappears INSTANT REPLAY CONTROL Located to the right of the SP button the RPLY RPLY Instant Replay Control allows you to return to the beginning of a CD for instant playback Press the RPLY button to activate this function PROGRAM BUTTON Located to the right of the RPLY button PROG the PROG ram Control allows you to C program your favorite CD tracks into memory Refer to CD PLAYER OPERA TION section for more details AUTOMATIC STATION MEMORY Radio Mode REPEAT TRACK CONTROL CD Mode Located to the right of Preset Station button 6 this control allows you to either change the station memory banks in Radio Mode or repeat a CD track in CD Mode In Radio Mode this control functions as an Automatic Station Memory ASM Control Press the ASM button once to access the bank of 12 memories 6 FM amp 6 AM stored by the Automatic Station Function or press and hold ASM for at least two seconds to activate the AUTOMATIC STATION MEMORY function Refer to RADIO OPERATION f
35. ssing outside noise generated by motorcycles sparks or pulses 18 MEMORY PRESET STATIONS Your CD 303features 18 Selectable Preset Station Memo ries 12 FM and 6 AM with Last Station Memory This function lets you quickly and easily access up to 18 of your favorite radio stations AUTOMATIC STATION MEMORY Automatic Station Memory will automatically let you store the six strongest AM and six strongest FM stations without affecting the standard preset memories This feature is useful when you traveling away from home unfamiliar with the stations in the area Preset and Automatic stations continue to be stored in memory even when the unit is removed from your vehicle via the built in lithium back up battery PRESET SCAN After you have preset your 18 favorite stations into the CD 303 s Automatic Station Memory you can quickly and easily access them by activating the Preset Scan function AUTOMATIC SEEK SCAN AND MANUAL TUNING You can tune in radio stations two ways either with Automatic Seek Scan or by manually scanning the radio dial with Manual Tuning Automatic Seek Tuning will search a frequency bandwidth and stop when a radio station is detected Automatic Scan Tuning will scan an entire frequency bandwidth indefinitely locking in for five seconds to each radio station before moving on LOCAL DISTANT AND MONO STEREO SWITCHING When the broadcast signal is too weak to provide high fidelity and noise
36. switch power ON or the LCD Readout Panel does not light up check or replace the fuse as follows 1 Turn the power off 2 Remove fuse from fuse socket on the filter box Check the fuse and replace it if necessary Use only a standard blade fuse with a rating of 7 5 Amps CD 303 INSTALLATION PREPARATION GENERAL PRECAUTIONS 1 ALWAYSDISCONNECT THE SYSTEM FROM THE BAT TERY BEFORE ATTEMPTING TO MAKE OR ALTER ANY CONNECTIONS 2 Be sure to follow the step by step directions check all important points and have every item necessary for instal lation on hand 3 Check to make sure the vehicle s battery is in good condition for proper operation of your CD 303 4 The CD 303 is designed for use ONLY in 12 volt NEGA TIVE GROUND electrical systems CAUTION Installing this product in any positive ground electrical system could seriously damage the audio system as well as void the product warranty 5 Asetoftools and hardware is required Be sure to check the TOOLS REQUIRED list for any special tools that may be needed 6 Donotinstall or use the CD 303 in any method other than that outlined in this manual Doing so could reduce the performance capabilities of this product as well as void the product warranty REQUIRED TOOLS 1 Electric drill drill bits 2 Saber saw fine tooth metal cutting blades 3 Razor knife 4 Philips and flathead screwdrivers 5 Pliers standard and needle nose 6 Wire cutters strippers 7 Wi
37. tes will display 01 and begin to flash Atthis point you have 20 seconds to program the first track 10 11 Use the Forward Skip or Backward Skip 1 button to select tracks to be entered into the program The two digits on the display that normally show elapsed sec onds will display the track you have chosen When you want to store a track selection simply press the PROG button again Notice that the Minutes display has changed to 02 as it begins to flash Again you have 20 seconds to enter your next selection into program memory 02 Repeatthe process described in step 3 above and press the PROG button again to store your next favorite track selection To store up to 16 selections repeat the process described in steps 2 through 5 above Each new track selection will be stored in the next sequential program memory When you have finished programming yourtrack selections press the Program Play PP BND button once to start play back of your favorite tracks The display will revertto normal play mode and the P indicator will appear on the display to confirm that Program Play is selected To cancel Program Play at any time press the PPeBND button again Normal play will resume immediately You can change the programmed tracks at any time in the following ways a During programming you can reprogram a memory first by pressing and holding the PROG button The Minutes digit i
38. to ad vance to the beginning of the next track or the Backward Skip button vied to return to the beginning of the track being played MANUAL UP DOWN TUNING CONTROL Radio Mode FORWARD BACKWARD MUSIC SEARCH CONTROL CD Mode Located to the right of the TREBLE Con trol this button allows you to access two additional sets of functions for either manual tuning or CD Music Search In Radio Mode this control functions as a Manual Up Down Tuning Control Press the Up Tuning button p gt or Down Tuning button 44 once to select a higher or lower AM or FM frequency Pressing and holding either button 4 gt gt will cause the tuner to access frequencies in either direction at a higher speed In CD Mode this control functions as a Forward Backward Music Search Con trol Pressing and holding either button 44 gt gt will cause the player to ad vance forward or backward quickly through a track while you hear the music played at a faster speed SCAN PRESET SCAN CONTROL Radio Mode INTRO SCAN CD Mode Located to the right of the Auto Up Down Seek Tuning Control this control allows you to audition station presets in Radio Mode or CD tracks in CD Mode In Radio Mode this control functions as either a SCAN or Preset SCAN Control Press the SCAN button once to activate a scan function that will allow you to briefly hear each station starting with the cur rently tuned station Press and hold the SCAN button
39. ton OPERATION OF THE CD 303 Auxiliary Input By attaching the Auxiliary Input to a separate source unit i e CD changer or portable cassette player the CD 303 can receive signals transmitted by the source unit and all tone and volume controls of the external source can be manipulated through the CD 303 s front panel 1 Press the AUX knob once to switch to Auxiliary Input Mode CD Radio indicators will disappear from the display show ing that the unit is in Auxiliary Mode 2 Adjustthe volume balance fader and tone controls on the CD 303 front panel to suit your listening preference 3 Press the AUX knob again to resume CD Radio Mode CARE AND MAINTENANCE COMPACT DISC CARE AND MAINTENANCE 1 Use a soft cloth to wipe any fingerprints and dust from the disc s surface Wipe in a straight motion from the inside to the outside of the disc Unlike conventional records com pact discs do not have grooves to collect dust so wiping in a circular motion is not necessary 2 Never use chemicals such as antistatic spray benzine or thinners to clean compact discs These solvents will per manently damage the disc s plastic surface 3 Donotexpose discs to direct sunlight high temperature or high humidity for long periods 4 Do not write or stick labels or papers on a disc s surface 5 To protect discs from scratching return them to their storage cases after use FUSE REPLACEMENT If unit does not operate when you
40. track being played This display is also used in program ming CD tracks Refer to CD PLAYER OPERATION section for more details OPERATION OF THE CD 303 In this section you will learn how to operate your CD 303 first as a CD Player and then as a Radio Tuner bs HIGH POWER FM AM CD PLAYER BI LEVEL SYSTEM SP RPLY PROG Co CH co 25 em ss 2 820083 Figure 3 CD 303 Front Panel Controls CD PLAYER OPERATION Floating Suspension Device The CD 303 employs a unique floating suspension design that when the unit is properly installed allows it to perform perfectly under even severe road conditions The INSTALLA TION section has more detail about the Floating Suspension Device To protect the mechanism and your CD s from vibration damage the laser pick up head will temporarily retreat from its play position under extremely bad road conditions The laser pick up head will resume normal play in the same track position once road conditions become normal Moisture Condensation When the vehicle s heater is used during periods of cold weather or when the weather is humid water vapor may condense on the optical lens of the disc player causing your unit to cease operation If condensation appears to be keeping your player from operating remove the compact disc and wait about one hour for the moisture to evaporate To operate your CD 303 in CD Mode follow these steps Disc Play 1 First turn the power ON Then ge
41. utomatically The Auto Disc Repeat function gives you the option of playing the entire disc over and over again 16 TRACK PROGRAMMABLE MEMORY This feature allows you to choose a number of tracks as many as 16 from any of your favorite CD s for playback without interruption from the other tracks on the disc SHUFFLE PLAY Shuffle Play also called Random Play shuffles the play ing order of tracks on the CD s you listen to most You ll find this feature reduces the monotony of listening to a disc in the same order each time INTRO SCAN This feature allows you to scan and play the first 10 seconds of each track on a compact disc You can use Intro Scan to briefly audition a track before deciding whether to play it or skip it FORWARD BACKWARD TRACK ADVANCE This convenient feature allows you to skip tracks or return to the beginning of the loaded CD FORWARD BACKWARD MUSIC SEARCH This feature allows you to search forward or backward at 20 times normal playback speed to quickly find a particular section of a CD track REPEAT TRACK Repeat Track lets you listen to a favorite CD track over and over again INSTANT REPLAY Instant Replay lets you quickly and automatically return to the beginning of a disc for instant replay It is an efficient alternative to Backward Track Advance which steps back through every track to find the beginning of a disc PLL QUARTZ SYNTHESIZER TUNING SYSTEM Your CD 303 is equipped with a soph
42. vailable for your car s personal environment These newest features include High Resolution Three Laser Pick up Four Times Oversampling Digital Filter Fully Calibrated 16 Bit Digital to Analog D A Converter Anti Skip Floating Suspension CD Mechanism Three Inch Disc Compatibility Soft Load Auto Play and Auto Disc Repeat 16 Track Programmable Memory Shuffle Play Intro Scan Forward Backward Track Advance Forward Backward Music Search Repeat Track Instant Replay PLL Quartz Synthesizer Tuning Advanced FM Optimizer V Circuitry Built In FM Noise Canceller 18 Preset Station Memories 12 FM 6 AM 12 Automatic Station Memories 6 FM 6 AM Preset Scan Automatic Seek Scan amp Manual Tuning Auxiliary Input Local Distant amp Mono Stereo Switching Loudness Control Active Bass amp Treble Tone Controls Bi Level Fader Control Variable Two Color Control Panel Illumination Removable Chassis with Lithium Backup Battery Gold Plated Front Rear Pre Amp Outputs Built in High Power Amplifier FEATURES HIGH RESOLUTION THREE BEAM LASER PICK UP The advanced high resolution three beam laser pick up head provides accurate retrieval of encoded CD information even under severe road conditions or playback of scratched or dirty discs FOUR TIMES OVERSAMPLING DIGITAL FILTER Typically found in home CD players the four times oversampling digital
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