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CAU-420
INSTRUCTION MANUAL
CAR STEREO MP3/WMA PLAYER
WITH PLL FM STEREO RADIO
RDS
USB / SD/MMC / FRONT AUX INPUT
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LOCATION OF PARTS AND CONTROLS
93 2 15 192021 14 10 116 17 18
(1-3)
4
(4-6)
4
7 65 25 22 23 24 13 11812
1. POWER ON/OFF ( )
2.
FUNCTION SELECT BUTTON: CONTROLS FOR BASS/TREBLE/BALANCE/FADER / INITIAL VOLUME / CT / TA VOL / DSP (SEL)
3.
VOL UP/VOL DOWN BUTTON: CONTROLS FOR BASS/TREBLE/BALANCE/FADER / INITIAL VOLUME / CT / TA VOL / DSP
4. PRESET STATIONS (1,2,3,4,5,6)
5. ‘AF’ function (ALTERNATIVE FREQUENCIES)
6. ‘TA’ function (TRAFFIC ANNOUNCEMENT)
7. ‘PTY’ function (PROGRAM TYPE)
8. DISPLAY BUTTON (DISP)
9. MODE/LOUDNESS BUTTON (MD/LD)
10. BAND/ENTER BUTTON (BD/ENT)
11. AUTOMATIC OR MANUAL TUNING
(FREQ UP OR FREQ DOWN )/ TRACK/SEARCH BUTTON
12. AUTO SEEK SEARCH TUNING (A/PS)
13. ‘SCAN’ AUTOMATIC TUNING CONTROL (SCAN)
14. MUTE BUTTON ( )
15. LCD DISPLAY
16. PAUSE BUTTON
17. REPEAT BUTTON
18. INTRO BUTTON (Preview all Tracks)
19. RANDOM BUTTON
20, 21. 10 TRACK SEARCH DOWN/UP (MP3/WMA Files only)
22. USB PORT
23. MULTI-MEDIA CARD (MMC) / SD CARD SLOT
24. AUX IN
25. RESET BUTTON
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L (WHITE)
LINE OUT
R (RED)
ANTENNA
CONNECTOR
ISO CONNECTOR
B
A
1 3 5 7
2 4 6 8
5 7
4 8
7
1
2
3
4
4
6
5
6
6
8
9
5
INSTALLATION
53mm
182mm
3
2
182mm
53mm
4
1
1
2
PRECAUTIONS
• Choose the mounting location carefully so that the unit will not interfere with the normal driving functions of
the driver.
• Avoid installing the unit where it would be subject to high temperatures, such as from direct sunlight or hot
air from the heater, or where it would be subject to dust, dirt or excessive vibration.
• Use only the supplied mounting hardware for a safe and secure installation.
• Be sure to remove the front panel before installing the unit.
NOTE : Inclination angle for car radio installation must not exceed 30˚ otherwise the front panel will not open.
Bend these
claws, if necessay
Note: Keep the release key in the safe place as you may need it in future to remove the unit from the car.
TO SUPPORT THE UNIT
Dashboard
1. UNIT
2. RELEASE CASE
3. DASH BOARD
4. HEX NUT
5. LOCK WASHER
6. PLAIN WASHER
7. CAR BODY
8. REAR SUPPORT STRAP
9. TAPPING SCREW
10. M5 X 15 HEX BOLT
WIRE CONNECTION
RCA Jack Line Out:
Red (right) White (left)
CONNECTOR A
4. MEMORY +12V
5. AUTO ANTENNA OUTPUT
7. +12V (TO IGNITION KEY)
8. GROUND
Note: (connector A no. 7) must be connected by car ignition key in order to avoid that car battery becomes weak
when the car will be not used for long period.
CONNECTOR B
1. REAR RIGHT SPEAKER (+)
2. REAR RIGHT SPEAKER (-)
3. FRONT RIGHT SPEAKER (+)
4. FRONT RIGHT SPEAKER (-)
5. FRONT LEFT SPEAKER (+)
6. FRONT LEFT SPEAKER (-)
7. REAR LEFT SPEAKER (+)
8. REAR LEFT SPEAKER (-)
Maintenance
FUSE REPLACEMENT
If the fuse blows, check the power connection and replace the fuse. If the fuse blows again after the replacement,
there may be an internal malfunction. In this case, consult your nearest repairing center.
Warning
Use the specied amperage fuse for each lead. Use of a higher amperage fuse may cause serious damage.
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OPERATION
1 3
2
4
2
5
2
6
2 2
IN VOL
SEL
2 sec.
SEL
ADJ
SEL
TA VOL
SEL
DSP
1. POWER ON/OFF ( )
Press
2,3. FUNCTION SELECT BUTTON: BASS / TREBLE / BALANCE / FADER / INITIAL VOLUME / CT / TA VOL / DSP
Turning VOL knob (right/left) to adjust VOL/BAS/TRE/BAL/FAD. To select other functions, press the VOL knob shortly
button to turn on the unit. To turn off, press and hold button.
until the desired functions are shown on the display. Figure 1 shows how to control functions that are selected using the
SEL button.
Fig. 1 Selection of sound control functions
1. VOL 2. SEL 3. BASS 4. TRE 5. BAL 6. FAD
Increase or decrease the volume by turning VOL knob (right/left). These buttons can be used to adjust the BASS, TREBLE,
BALANCE and FADER.
Press and hold SEL to adjust INIT VOL /CT/TA VOL/DSP
INIT VOL: Initial Volume when the unit turns on.
ADJ:
TA VOL: Trafc Announcement Volume
DSP Modes: CLASSIC, ROCK, POP, FLAT, NONE
4. PRESET STATIONS (1,2,3,4,5,6)
When pressed short, these keys select a preset station directly. When pressed longer than 1 sec., current station is stored
in preset memory bank
USING THE RDS FUNCTION
What is RDS?
The RDS (Radio Data System) is a digital information system developed by the EBU (European Broadcast Union). Piggy-backed
on normal FM broadcasts, RDS offers a variety of information services and automatic retuning functions for RDS-compatible
car stereos.
In 1988, RDS became available in the United Kingdom, France, West Germany, Ireland and Sweden. Test transmissions
are being conducted in many other european countries. It is expected that RDS will be available in most western european
countries in the near future.
5. ‘AF’ function (ALTERNATIVE FREQUENCIES)
When pressed short, AF switching mode is selected.
When AF switching mode is selected, the radio checks the signal strength of the AF all the time.
6. ‘TA’ function (TRAFFIC ANNOUNCEMENT)
When pressed short, it is activated as TA mode on or off
When TA mode is on and trafc announcement is transmitted
– If the volume level was under the threshold point, it will be raised to the threshold point.
– When TP station is received, TP segment is turned on in LCD display.
7. ‘PTY’ function (PROGRAM TYPE)
When pressed momentarily, it activates the TPY ON/OFF function and start to search corresponding PTY information.
And stop if the corresponding PTY information is detected.
By pressing this key longer than 2 sec., you can select PTY mode by turning Volume UP/DOWN knob. as below.
NEWS--AFFAIRS--INFO--SPORT--EDUCATE--DRAMA--CULTURE--SCIENCE--VARIED--POP--ROCK--EASY M--LIGHT
M--CLASSIC--OTHER M--WEATHER--FINANCE--CHILDREN--SOCIAL--RELIGION--PHONE IN--TRAVEL--LEISURE-JAZZ--COUNTRY--NATION. M--OLDIES--FOLK M--DOCUMENT--TEST--ALARM.
8. DISPLAY BUTTON (DISP)
Press
depending on the playing MODE.
9. MODE/LOUDNESS BUTTON (MD/LD)
By pressing this key, user can select. AUX/TUNER/USB or MMC/SD mode.
LOUDNESS: Press and hold this button, you can select LOUDNESS mode.
10. BAND BUTTON (BD/ENT)
Each band is toggled cyclically by pressing this key FM1---FM2---FM3.
11. AUTOMATIC OR MANUAL TUNING (FREQ UP
(A) RADIO MODE
When pressed short, these keys are operated as SEEK tuning mode.
When pressed longer than 1 sec., they are operated as MANUAL tuning mode.
(B) MP3/WMA PLAYER MODE
When pressed short, they are operated as TRACK UP or TRACK DOWN mode.
When pressed longer than 1 sec., they are operated as CUE or REVIEW mode.
Digital Clock. To adjust, turn VOL knob to right for hours and turn VOL knob to left for minutes
DISP button to switch between display informations such as radio frequencies, clock, track and other informations
OR FREQ DOWN )
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12. AUTO SEEK SEARCH TUNING (A/PS)
VOLVOL
VOLVOL
VOLVOL
VOLVOL
VOLVOL
VOLVOL
VOLVOL
VOLVOL
VOLVOL
VOLVOL
By pressing shortly, the radio searches for each preset station.
When eld strength level is bigger than the threshold level of stop level, the radio is holding at that preset number for 5
sec. with releasing mute, and then searches again.
By pressing longer than 1 sec, and then 6 strongest stations are preset to the corresponding preset number. When AS
operation is nished, the radio executes the preset scan.
13. ‘SCAN’ AUTOMATIC TUNING CONTROL (SCAN)
This key is operated as RADIO SCAN. The operation is similar as normal search but different thing is holding 5 seconds
on every station detected in RADIO SCAN mode.
14. MUTE BUTTON (
Press this button, audio will disappear. Press this button again in order to hear audio newly.
15. LCD DISPLAY
The Liquid Crystal Display will display the current state of the unit.
)
MP3/WMA CONTROL LOCATION OF PARTS
TRACK/SEARCH BUTTON (11)
FORWARD AND REVERSE TRACK SEARCH (or changing songs)
Press the SKIP button ( or ) during play to go to the desired track(song).
....REVERSE ....FORWARD
Press and hold the SKIP button ( or ) during play to scan at high speed. When the desired music section is found,
release the button. Normal play will resume.
16. PAUSE BUTTON
During “PLAY”, press (16) ‘PAU’ button to “PAUSE”. Press it again to resume play.
17. REPEAT BUTTON
When this button is pressed, ‘RPT ON’ indication is displayed and play of the selected track will be continually repeated
until the Track repeat mode is cancelled by pressing ‘RPT’ button again.
18. INTRO BUTTON (Preview all Tracks)
When this button is pressed, ‘INT ON’ indication is displayed and the rst several seconds of each track are played. Press
again to stop intro and listen to track.
19. RANDOM BUTTON
When this button is pressed, ‘RDM ON’ indication is displayed and each track are played in random instead of normal progression. To cancel RANDOM mode, press ‘RDM’ button again.
20, 21. 10 TRACK DOWN/UP SELECT: (In case of MP3/WMA les)
M5: 10 Track down / M6: 10 Track up
HOW TO SELECT MP3/WMA FILES
1. Searching by Track:
• Press “
• With “VOL
• Press “
• With “VOL
• Press “
2. Searching by Character:
• Press “
• With “VOL
• Press “
• The songs with the same character that you selected is displayed.
• With “VOL
• Press “
3. Searching by Folder Name:
• Press “
• With “VOL
• Press “
22,23. USB/ SD/MMC MEMORY CARD
The device is equipped with a USB interface and a memory card reader for SD/MMC cards. MP3 or WMA les stored on
these media can be played.
1. Plug your USB storage medium into the USB port.
2. If you use a memory card, insert it into the memory card reader.
3. The player automatically switches to the input used and starts playback.
4. See the section on operations common for audio les on how to control USB or memory card playback.
A/PS”, then search track is activated.
/ VOL
” knob, select rst digit desired.
SEL”, then the rst digit is xed and second digit will ash.
/ VOL
” knob, select 2’nd 3’rd respectively.
BD/ENT”, the song selected will start.
A/PS” twice, then character search mode is activated.
/ VOL
” knob, you can select the desired letter.
SEL”, repeat steps above for 2’nd 3’rd character.
/ VOL
” knob, you can select the desired song.
BD/ENT”, then the song selected will start.
A/PS” 3 times, then folder search is activated.
/ VOL
” knob, you can select the desired folder.
BD/ENT”, then the folder is xed and the rst le will be played.
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Note:
• DuetothegreatvarietyofdeviceswithUSBandSD/MMCcardinterfacesthatsometimeshavemanufacturer-specic
functions, we cannot guarantee that all media will be recognized and that all operational functions will be available
with this device.
• You cannot operate USB hard drives on the device.
24. FRONT AUX IN
An external audio source (e.g. portable MP3 player) can be connected to the AUX IN socket to be played back by the
vehicle loudspeakers.
• Connect the AUX IN socket with the audio output of the external device.
25 RESET
Reset button is placed on the housing.
The reset button is to be activated for the following reason:
• Initial installation of the unit when all wiring is completed.
• All the function button do not operate.
• Error symbol on the display.
TECHNICAL SPECIFICATIONS
MP3/WMA PLAYER SECTION
Signal to Noise Ratio > 60 dB
Channel Separation > 50 dB (1kHz)
Frequency Response 20Hz - 20 kHz
TUNER (FM)
Frequency range 87.5-108 MHz
Intermediate frequency 10.7 MHz
Sensitivity 2.8 µV
Stereo separation 30 dB
Signal to noise ratio 50 dB
Channel step 50 kHz
LINE-OUT
Output 350 mV
Impedance 10k Ohm
FRONT AUX IN
Frequency Response 20 Hz - 20 kHz
Sensitivity 775 mV
Impedance 20k Ohm
GENERAL
Power Supply 12V DC (10.8-15.6V allowable)
Speaker impedance 4 or 8 Ohm
Output power 40W x 4CH
Fuse 10A
Note: Specication and the design are subject to possible modication without notice due to improvements.
Electric and electronic equipment contains materials, components and substances that can be hazardous to your health and
the environment, if the waste material (discarded electric and electronic equipment) is not handled correctly.
Electricandelectronicequipmentismarkedwiththecrossedouttrashcansymbol,seenbelow.Thissymbolsigniesthatelectric
and electronic equipment should not be disposed of with other household waste, but should be disposed of separately.
All cities have established collection points, where electric and electronic equipment can either be submitted free of charge
at recycling stations and other collection sites, or be collected from the households. Additional information is available at the
technical department of your city.
ALL RIGHTS RESERVED
COPY RIGHT DENVER ELECTRONICS A/S
www.denver-electronics.com
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