CAU-410 - Car radio DENVER - Free user manual and instructions

Product Type	Car Stereo with FM RDS, USB/SD/MMC, AUX
Brand	Denver
Model	CAU-410
Power Supply	12V DC (10.8-15.6V allowable)
Speaker Impedance	4 or 8 Ohm
Maximum Output Power	40W x 4 channels
Fuse Rating	10A
FM Frequency Range	87.5-108 MHz
FM Sensitivity	2.8 μV
FM Stereo Separation	30 dB
FM Signal-to-Noise Ratio	50 dB
MP3/WMA Signal-to-Noise Ratio	>60 dB
Frequency Response (MP3/AUX)	20Hz - 20kHz
Line-Out Output	350 mV
Line-Out Impedance	10k Ohm
AUX Input Sensitivity	775 mV
AUX Input Impedance	20k Ohm
Display	LCD Display
Radio Data System (RDS)	Yes (AF, REG, TA, PTY, EON)
Preset Stations	6 per band (FM1, FM2, FM3)
USB Port	Yes (front)
SD/MMC Card Slot	Yes (front)
Front AUX Input	Yes (3.5mm)
Detachable Front Panel	Yes (flip-down)
DSP Sound Modes	Classic, Rock, Pop, Flat, None

Frequently Asked Questions - CAU-410 DENVER

How do I set the clock on my Denver CAU-410?

Press and hold the VOL knob (FUNCTION SELECT) for about 2 seconds until 'IN VOL' appears. Then press SEL repeatedly until 'CT' (Clock Time) appears. Turn the VOL knob right to adjust hours and left to adjust minutes.

How do I preset radio stations?

Tune to the desired station manually or by seek. Then press and hold one of the preset buttons (1-6) for more than 1 second. The station is stored. You can store up to 6 stations per FM band.

How do I detach and attach the front panel?

First press the POWER button to turn off the unit. Then press the OPEN button (16) to release the panel. Fold it down and pull it towards you to detach. To attach, align the panel and press lightly until it clicks.

What does the RDS function do?

RDS (Radio Data System) provides additional information like station name, traffic announcements, and alternative frequencies. You can use AF (Alternative Frequencies) to automatically retune to the best signal, TA for traffic announcements, and PTY to search by program type.

How can I connect a USB device or SD card?

Insert a USB flash drive into the front USB port (23) or an SD/MMC card into the slot (24). The unit will automatically switch to USB/SD mode and start playing MP3 or WMA files. Note that not all devices are guaranteed compatible.

Why is there no sound from the speakers?

Check if the unit is muted (press MUTE button). Ensure volume is turned up. Verify speaker connections and that the fuse is not blown. If using an external amplifier, check its settings. Also confirm the ignition key is on and the unit is powered.

How do I reset the unit?

Press the RESET button (26) located on the rear or side of the housing using a pointed object. Reset after initial installation or if the unit malfunctions.

What file formats are supported?

The unit supports MP3 and WMA files via USB, SD/MMC cards. ID3 tags are supported. Other formats like AAC or FLAC are not mentioned.

How do I adjust bass and treble?

Press the VOL knob shortly until the display shows 'BAS' (Bass). Turn the knob to adjust. Press again to cycle to 'TRE' (Treble), 'BAL' (Balance), and 'FAD' (Fader).

What type of fuse does the CAU-410 use?

The unit uses a 10A fuse. Always replace with the same rating. Using a higher amperage fuse can cause serious damage.

USER MANUAL CAU-410 DENVER

WITH PLL FM STEREO RADIO

RDS

USB / SD/MMC / FRONT AUX INPUT

FLIP DOWN/DETACHABLE FRONT PANEL

LOCATION OF PARTS AND CONTROLS

1. POWER ON/OFF ( )
2. FUNCTION SELECT BUTTON: CONTROLS FOR BASS/TREBLE/BALANCE/FADER / INITIAL VOLUME / CT / TA VOL / EON / DSP
3. VOL UP/VOL DOWN BUTTON: CONTROLS FOR BASS/TREBLE/BALANCE/FADER / INITIAL VOLUME / CT / TA VOL / EON / 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 (LD/MOD)
10. BAND/ENTER BUTTON (BD/ENT)
11. AUTOMATIC OR MANUAL TUNING

(FREQ UP OR FREQ DOWN) / TRACK/SEARCH BUTTON

1. AUTO SEEK SEARCH TUNING (A/PS)
2. 'SCAN' AUTOMATIC TUNING CONTROL (SCN)
3. MUTE BUTTON (MUTE)
4. LCD DISPLAY
5. OPEN PANEL BUTTON (↑)
6. PAUSE BUTTON
7. REPEAT BUTTON
8. INTRO BUTTON (Preview all Tracks)
9. RANDOM BUTTON
   21, 22. FOLDER DOWN/UP (MP3/WMA Files only)
10. USB PORT
11. MULTI-MEDIA CARD (MMC) / SD CARD SLOT
12. AUX IN
13. RESET BUTTON
14. POWER INDICATOR LED

WIRE CONNECTION

RCA Jack Line Out:

Red (right) White (left)

ANTENNA CONNECTOR		LINE OUT	ISO CONNECTOR
			B 01 03 05 07 02 04 06 08 05 07 04 08

CONNECTOR A

1.

2.

3.

1. MEMORY +12V

2. AUTO ANTENNA OUTPUT

6.

1. +12V (TO IGNITION KEY)

2. 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 specified amperage fuse for each lead. Use of a higher amperage fuse may cause serious damage.

INSTALLATION

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.

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

Detaching and attaching the front panel

The front panel of this unit can be detached in order to prevent the unit from being stolen.

FOLDING DOWN AND DETACHING/ATTACHING THE FRONT PANEL

Before detaching the front panel, be sure to press the button (1) OFF first.

Then press the button (16), let the Front Panel arrive in horizontal position and detach the panel by pulling it towards you as illustrated.

graph TD
    A["Device with ports"] --> B["Step 1: Folded opening"]
    B --> C["Step 2: Rotation to open box"]
    C --> D["Step 3: Folded closing"]
    D --> E["Step 4: Rotation to closed box"]
    E --> F["Step 5: Folded closing"]
    F --> G["End"]

Notes:

• Do not press the front panel hard against the unit when attaching it. It can be easily attached by pressing it lightly against the unit.
• When you carry the front panel with you, put it in the supplied front panel case.
• Do not press hard or give excessive pressure to the display window of the front panel when attaching it to the unit.

1. POWER ON/OFF ()

Press button to turn on the unit. To turn off, press and hold button

2,3. FUNCTION SELECT BUTTON: BASS/TREBLE/BALANCE/FADER / INITIAL VOLUME / CT / TA VOL / EON / DSP

Turning VOL knob (right/left) to adjust VOL/BAS/TRE/BAL/FAD. To select other functions, press the VOL knob shortly until the desired functions are shown on the display. Figure 1 shows how to control functions that are selected using the VOL knob.

graph TD
    A["1"] --> B["2"]
    B --> C["3"]
    C --> D["2"]
    D --> E["4"]
    E --> F["2"]
    F --> G["5"]
    G --> H["2"]
    H --> I["6"]
    I --> J["2"]
    J --> K["End"]
    A -->|Loop| B
    B -->|Loop| C
    C -->|Loop| D
    D -->|Loop| E
    E -->|Loop| F
    F -->|Loop| G
    G -->|Loop| H
    H -->|Loop| I
    I -->|Loop| J
    J -->|Loop| K

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.

2 sec.

graph LR
    A["SEL"] --> B["IN VOL"]
    B --> C["SEL"]
    C --> D["ADJ"]
    D --> E["SEL"]
    E --> F["TA VOL"]
    F --> G["SEL"]
    G --> H["EON"]
    H --> I["SEL"]
    I --> J["DSP"]
    J --> K["End"]

Press and hold VOL to adjust INIT VOL /CT/TA VOL/EON ON/DSP

INIT VOL: Initial Volume when the unit turns on.

CT: Digital Clock. To adjust, turn VOL knob to right for hours and turn VOL knob to left for minutes

TA VOL: Traffic Announcement Volume

EON ON: Turn EON feature ON/OFF

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/REG' function (ALTERNATIVE FREQUENCIES)

When pressed short, AF/REG switching mode is selected.

When AF/REG switching mode is selected, the radio checks the signal strength of the AF all the time.

When pressed long, it is activated as regional mode ON/OFF.

- Regional mode ON:

AF switching or PI SEEK is implemented to the station which have all PI codes same as current station. REG segment is turned on, in LCD display.

- Regional mode OFF

The regional code in the format of PI code is ignored when AF switching or PI SEEK is implemented.

6. 'TA' function (TRAFFIC ANNOUNCEMENT)

When pressed short, it is activated as TA mode on or off

When TA mode is on and traffic 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 DISP button to switch between display informations such as radio frequencies, clock, track and other informations depending on the playing MODE.

9. MODE/LOUDNESS BUTTON (LD/MOD)

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 OR FREQ DOWN)

(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.

12. AUTO SEEK SEARCH TUNING (A/PS)

By pressing shortly, the radio searches for each preset station. When field 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 finished, the radio executes the preset scan.

13. 'SCAN' AUTOMATIC TUNING CONTROL (SCN)

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 (MUTE)

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.

16. OPEN THE FRONT PANEL

Press button and the front panel will open.

MP3/WMA CONTROL LOCATION OF PARTS

TRACK/SEARCH BUTTON (11)

FORWARD AND REVERSE TRACK SEARCH (or changing songs)

Press the SKIP button (dr) during play to go to the desired track(song).

▲ ....REVERSE ▶FORWARD

Press and hold the SKIP button (◀) during play to scan at high speed. When the desired music section is found, release the button. Normal play will resume.

17. PAUSE BUTTON

During "PLAY", press (17) 'PAU' button to "PAUSE". Press it again to resume play.

18. 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.

19. INTRO BUTTON (Preview all Tracks)

When this button is pressed, 'INT ON' indication is displayed and the first several seconds of each track are played. Press again to stop intro and listen to track.

20. 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 (20) again.

21, 22. FOLDER DOWN/UP (In case of MP3/WMA files)

M5: Folder down / M6: Folder up

HOW TO SELECT MP3/WMA FILES

1. Searching by Track:

• Press "A/PS", then search track is activated.
• With "VOL / VOL " knob, select first digit desired.
• Press "VOL", then the first digit is fixed and second digit will flash.
• With "VOL / VOL " knob, select 2'nd 3'rd respectively.
• Press "BD/ENT", the song selected will start.

2. Searching by Character:

• Press "A/PS" twice, then character search mode is activated.
• With "VOL / VOL " knob, you can select the desired letter.
• Press "VOL", repeat steps above for 2'nd 3'rd character.
• The songs with the same character that you selected is displayed.
• With "VOL / VOL " knob, you can select the desired song.
• Press "BD/ENT", then the song selected will start.

3. Searching by File Name:

• Press "A/PS" 3 times, then folder search is activated.
• With "VOL" VOL VOL / VOL " knob, you can select the desired folder.
• Press "BD/ENT", then the folder is fixed and the first file will be played.

Connecting it to Portable MP3 Player

23. USB Port

Using USB cable to connect Your Portable MP3 Player.

24. MULTI-MEDIA CARD (MMC) / SD CARD SLOT

Support MP3/WMA ID3 format music only.

25. FRONT AUX IN

Convenient easy to use front “AUX IN” input jack, allows easy connection of Portable Media and digital MP3 Players.

\* IMPORTANT INFORMATION:

BECAUSE OF THE GREAT VARIETY OF PRODUCTS WITH USB, SD AND MMC CARD PORTS AND THEIR SOMETIMES QUITE MANUFACTURER-SPECIFIC FUNCTIONS WE CAN NEITHER GUARANTEE THAT ALL DEVICES WILL BE RECOGNIZED NOR THAT ALL OPERATING OPTIONS THAT ARE POSSIBLE IN THEORY WILL ACTUALLY WORK

26 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.

27. POWER INDICATOR LED

Flash LED when ignition is switched on.

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: Specification and the design are subject to possible modification without notice due to improvements.

Instructions on environment protection

Do not dispose of this product in the usual household garbage at the end of its lifecycle; hand it over at a collection point for the recycling of electrical and electronic appliances. The symbol on the product, the instructions for use or the packing will inform about the methods for disposal.

The materials are recyclable as mentioned in this marking. By recycling, material recycling or other forms of re-utilization of old appliances, you are making an important contribution to protect our environment.

Please inquire at the community administration for the authorized disposal location.

ALL RIGHTS RESERVED

COPY RIGHT DENVER ELECTRONICS A/S

www.denver-electronics.com