Denver CAU-438MK2 User manual

AUX IN, FM Radio, RDS Control, USB & SD Slots │ 4x50W
MP3 PLAYER
INSTRUCTION MANUAL

1. This unit should be installed by professional
2. personnels, if possible.
3. Please refer to the instruction manual for
4. electrical application, wrong
5. operation will cause damage to the unit.
6. pply the power cord after all connections of
the unit are set.
7. Insulate all exposed wires to avoid short circuit.
8. ll loosen wires shall be fixed after installation.
9. Read carefully for the application and operation.
Instructions for each part before installation.
10. The unit is designed for 12-15V
negative ground operation system only,
make sure your vehicle is connected to such
negative ground electrical system.
11. Be sure to connect the unit in exact according
12. to the lead-diagram, otherwise malfunction
13. or damage may happen.
Installation Precautions:

Rear right speaker
Rear left speaker
Front left speaker
Front right speaker
1 This unit is applicable to 12V direct-current
negative ground electrical system only
2 In order to avoid short circuit, please disconnect
the wire connecting terminal of the car storage
battery before all applications of the unit are
completed
3 Please note that the yellow directing wire is
connected to the anode terminal (+) of the BAT
terminal
4 Change the fuse, the specifications of the fuse for
both the automobile and the unit shall be the same
5 Excellent 4-8 ohm speaker is required for perfect
performance
SPECIFICATIONS
FM t ner
Frequency range: 87 5-108 MHz
Medium frequency: 10 7 MHz +- 0 3%
Signal/Noise ratio: 50 dB
Radio sensitivity: 10 dB
USB/SD
Frequency range: 20 Hz-20 kHz
Signal/Noise ratio: >50 dB
Harmony distortion T H D: <3% (1 kHz)
Other
MAX Output power 4x50W
Supply voltage 12-15 V DC negative ground
Speaker impedance 4-8 ohm /ch
Weight 0 79 kg
Wiring Connections

1 button: Press it once for power on/off
2 MOD button: Press it to swift mode when power on among Radio,AUX IN & USB (if connected)
3 1) Rotary Volume button, to adjust the volume
2) Multi function button
* Press the button to adjust the functions below
1st press → BAS
2nd press → TRE
3rd press → Left and Right speaker balance BAL
4th press → front and rear speaker balance FAD
5th press → VOL
1 7 6 2 4 5
2
9 8 10
Front Panel Controls and F nctions – DENVER (CAU–438)

* Hold the button first and then press it to adjust the functions below
Hold it to show LOUD on/of
Continue to press it for DSP mode, turn turn it to show POP, ROCK, CLASSIC, FLAT
2nd press → DX, turn it for LOCAL
3rd press → STEREO, turn it for MONO
4th press → TASEEK, turn it to show TA/ALARM
5th press → RETURNL to enter ANS 90 seconds (Pl auto search mode), turn it to
RETURNS to enter RDS 30 seconds auto search
4 TA/AF button: in radio mode, press it once to turn on/off AF function
Hold the button in radio mode, press it once to turn on/off TA function
5 PTY button: press it to choose the function of RDS mode
* Press PTY once, LCD will show "MUSIC" Operate circularly with CH+ button to select the following
functions
POP→ROCK M→EASY M→LIGHTM→CLASSICS→OTHER M→JAZZ→COUNTRY→NATION→
OLDIES→FOLK M
* Press PTY twice, LCD will show "SPEECH" Operate circularly with CH+ button to select the following
functions
NEWS→AFFAIRS→INFO→SPORT→EDUCATE→DRAMA→CULTURE→SCIENCE→VARIED→
WEATHER→FINANCE→CHILDREN→SOCIAL→RELIGION→PHONE IN→TRAVEL→LEISURE
DOCUMENT

6 button: in radio mode hold it for manual station search, press it for automatic station search
When in playing mode, press it for the last or next track, hold it for fast forward and fast backward
7 BAND button: In playing mode, press it to select the playing mode of INT, RPT and RDM circularly
In radio mode, press it for band switch
8 APS button: In playing mode, press it for track selection with button 3
In radio mode, press it for station scan Hold it for auto station search and storage
9 CH+ buttun: In playing mode, press it to pause or to resume it Hold it to play the track of the next folder
In radio mode, press it to select stations Hold it to memorize the present station under the selected number
1-6 (When the hold on CH+, the station will flash, then press CH+ to select the number you like
Waite for 5 seconds, the station is memorized automatically
10 RESET button: press " reset " button to reset to original state, "factory default ", if the head unit is not working
normaly
11 Port USB: use USB alone, do not insert a memory card at the same time
12 Memory card: Digital radio can support a memory cards with a storage capacity
up to 16 GB The use of momorycards with higher capacity can damage the unit

WARNINGS:
*SHOULD POWER WIRE ( YELLOW ONE ) BE GROUNDED OR WRONGLY CONNECTED,
THE WHOLE UNIT WOULD BURN OUT OR FAIL TO TURN ON OR LIGHT OUT
SHOULD MEMORY WIRE ( RED ONE ) BE WRONGLY CONNECTED, THE WHOLE UNIT
WOULD BURN OUT OR FAIL TO TURN ON OR LIGHT OUT
*THE SPEAKER SHOULD BE CORRECTLY WIRED, OTHERWISE, THE SPEAKER AND THE
AMPLIFIER IC WOULD BURN OUT OR BE SOUNDLESS