MD120 10006450 - Car radio Auna - Free user manual and instructions

Product Type	Car Stereo (Single-DIN)
Brand	Auna
Model	MD120 10006450
Category	Car Audio
Power Supply	12V DC (Negative Ground)
Fuse	10A (recommended)
Radio Frequency Range	87.5 - 108 MHz (FM)
Intermediate Frequency	10.7 MHz
Signal-to-Noise Ratio (Radio)	>50 dB
Signal-to-Noise Ratio (Playback)	>50 dB
Channel Separation	>50 dB (1 kHz)
Harmonic Distortion	<5%
Frequency Response	100 Hz - 10 kHz (+6 dB)
Speaker Impedance	4 - 8 Ω
Speaker Outputs	4 channels (front left/right, rear left/right)
Audio Inputs	AUX (3.5mm), USB, SD/MMC Card Slot
Remote Control	Yes (infrared)
Clock	Yes (adjustable date/time)
Equalizer Presets	Jazz, Classic, Pop, Rock, Off
Sound Adjustments	Bass, Treble, Balance, Fader, Loudness
Radio Presets	18 stations (FM1/FM2/FM3 each 6)
Mute Function	Yes
Repeat/Random/Intro	Yes (RPT, RDM, INT)
Dimensions (approx)	178 x 50 x 160 mm
Weight (approx)	0.5 kg

Frequently Asked Questions - MD120 10006450 Auna

How do I set the time on my Auna MD120 car stereo?

Press the CLK button to display the current time. Long press CLK to enter hour adjustment, then rotate the volume knob to set the hour. Short press CLK repeatedly to adjust minute, year, month, and date in the same way.

Why is there no display on my car stereo?

Check the yellow wire connection to the battery+. Ensure the fuse of the red wire is not blown. If the panel connector is dirty, clean it with absolute alcohol.

How do I automatically search and save radio stations?

In radio mode, long press the MEN button to automatically search and save stations. Alternatively, short press the volume knob to select the band (FM1/FM2/FM3) and then long press MEN.

How do I adjust the bass and treble?

In music mode, short press MEN until SEL appears on the LCD. Rotate the volume knob to select Bass, Treble, Balance, or Fader, then rotate to adjust the level. Press MEN to confirm.

What should I do if there is no sound?

Ensure the power wires are correctly connected, speaker wires are not open circuit, and the USB/SD card contains compatible audio files. Also check the fuse and replace if necessary.

How do I use the USB or SD card playback?

Insert a USB drive or SD/MMC card into the corresponding slot. The system will automatically start playing music. Use the buttons to navigate: ▶ for next track, ◀ for previous, and long press for fast forward/rewind.

How do I reset the system if it freezes?

Long press the Reset button on the front panel (use a thin object like a pen tip) to restart the system. If there is no reset button, disconnect the power supply for a few seconds.

How do I clean the panel connector?

Remove the front panel and use a cloth lightly moistened with absolute alcohol to clean the connector contacts. Do not use water or abrasive cleaners.

How do I use the remote control to navigate tracks?

In music mode, number buttons have special functions: 1=PAU (pause), 2=INT (intro play), 3=RPT (repeat), 4=RDM (random), 5=DIR+ (next folder), 6=DIR- (previous folder). Also use Next Song and Last Song buttons.

What are the equalizer presets and how do I select them?

In music mode, short press MEN until EQ appears on the LCD. Rotate the volume knob to choose from Jazz, Classic, Pop, Rock, or Off. The selected EQ will be applied immediately.

USER MANUAL MD120 10006450 Auna

INT ON - INT OFF - RPT ON - RPT OFF - RDM ON - RDM OFF - NO

7. MEN - Menü

On working state, short press can change the mode as follow: AUX—Radio—USB—SD (If SD card and USB is available). Long press to power off, while on the power off state, short press to power on. einzuschalten.

2. ▶ button

In radio mode, long press to search the station by hand forwardly, short press to search the stations forward automatically. In MP3 mode, short press to select next song, long press to forward quickly.

3. ◀ button

In radio mode, long press to search the station by hand backwardly, short press to search the stations backward automatically. In MP3 mode short press to select previous song, long press to backward quickly.

4. MUTE

Short press to enter or release the mute function.

5. CLK

Short press can show the present time. When the LCD show the time, long press to enter into hour adjustment function, adjust it by rotating the volume control button Then short press repeat can adjust minute, year, month and date with the same operation of hour adjustment.

6. VOL/R.CN

Turn the rotary Volume can turn down/up the volume. Under radio mode, short press the knob then can choose the stations by rotating the volume knob.

Under music playing mode, short press repeat as following INT ON—INT OFF—RPT ON—RPT OFF—RDM ON—RDM OFF—NO function.

7. MEN

Under radio mode, short press this button, when the LCD shows SEL, short press this button twice again, can change the band: FM1—FM2—FM3, then short press volume knob to confirm. long press to search and save the stations automatically.

Under music playing mode, short press this button, when the LCD shows SEL, then Continuous pressing volume knob to enter the selection as following:

Bass→Treble→Balance→Fader→Loudness→EQ

Bass/Treble/Balance/Fader selection: when the LCD display BAS, TRE, BAL or FAD, then rotate the volume knob to adjust.

Loudness: when the LCD display LOUD, then rotating the volume knob to

turn on or turn off.

EQ: when the LCD display EQ, selected the EQ as following: Jazz→Classic→Pop→Rock→Off by rotating the volume knob.

Long press to enter into song selected function, rotate the Volume knob to select the number, then short press volume knob to next numbers, with same operation to choose the numbers, then short press MEN to confirm.

8. AUX-In

Outer connection signal input.

9. LCD Display

Display the channel of radio or the playing information.

10. SD/MMC Card Slot

Insert the SD or MMC card, the system will play it accordingly

11. USB Slot

Insert the USB, the system will play it accordingly.

Technical Parameters

Tuner Part:
Frequency Range	87,5MHz-108MHz
Intermediate frequency	10,7MHz
Signal to noise ratio (S/N)	50>dB
Play Part:
Signal to noise ratio (S/N)	50>dB
Channel Separation (1 KHZ)	50>dB
Voltage Harmonic Distortion	<5%
Frequency Response	100Hz-10kHz (+6dB)
Amplifier Part:
Output	speaker output
Speaker Impedance	4Ω-8Ω
Power source	12V DC
Car battery (the negative pole connect ground, see on the unit in detail)

CAUTIONS

When replacing the fuse, please check that the fuse is of the same specification.

Install the main unit

1. Install the support on the instrument panel of the car, bend the clamp of the support.
2. Connect the power wire and speaker wire, fix the fixing piece in the car.
3. Insert the antenna plug, push the main unit into the support, and tighten the fixing nut of the fixing piece.

Insert two disassembly keys into the left and right gap, make the keys hook the main unit, pull out it to remove the main unit from the support, then disassemble the connection wire and unplug the antenna plug.

Wiring Diagram

Remote control

1. POWER
2. Number Button
3. Clock
4. Band/APS
5. INT
6. REPEAT
7. Volume+
8. Mode change
9. Random
10. Last Song
11. Select
12. Next Song
13. Last 10 song
14. Next 10 song
15. Volume-

REMARK:

When on radio state, 1-6 number button can choose the relative station.

While on music playing mode, number buttons will have different functions like 1:PAU, 2:INT, 3:RPT, 4:RDM, 5, DIR+, 6: DIR-.

Trouble shooting

Fault	Reason	Solutions
LCD doesn't display	1. Yellow wire is not connected with battery+.2. Fuse of red wire is open.3. The panel connector is dirty.	1. Assure yellow wire is connected with battery+.2. Replace fuse.3. Clean the panel connector with absolute alcohol.
No sound	1. No power supply.2. Speaker wire is open circuit3. SD/MMC card, U disk don't have song with corresponding format.4. SD/MMC card, U disk golden finger is dirt which causes bad contact.	1. Connect the power wire.2. Connect speaker wire.3. Check the contents of SD/MMC card, U disk.4. Clean with absolute alcohol.
Low sound (not clear)	1. Power internal resistance is high.2. Antenna is bad contact.	1. Replace the power supply2. Tighten the antenna plug.
Mono track	1. One channel of speaker wire is open circuit.2. Amplifier integrated circuit is damaged.	1. Connect speaker wire2. Replace the IC of amplifier.
System down	Power supplier not stable	Long press the reset button

NOTE: Technical data is subject to change without prior notice.