MD-180 - Car radio Auna - Free user manual and instructions

Product Type	Car Stereo
Brand	Auna
Model	MD-180
Color	Black
Installation Size	1-DIN
Width	178 mm
Height	50 mm
Depth	100 mm
Weight	0.5 kg
Power Supply	12V DC
Maximum Power Output	4 x 50W
Radio Tuner	AM/FM
Bluetooth	Yes (version 4.0)
USB Port	Yes (supports MP3, WMA)
SD Card Slot	Yes (up to 32GB)
AUX Input	Yes (3.5mm)
RDS	Yes
Remote Control	Included
Detachable Faceplate	Yes
Display	LCD with backlight
Additional Features	EQ presets, Clock display

Frequently Asked Questions - MD-180 Auna

How do I connect my phone via Bluetooth?

Enable Bluetooth on your phone and search for devices. Select 'Auna MD-180' from the list. If prompted, enter the PIN 0000 or 1234. Once paired, audio will stream automatically.

How do I set the clock?

Press and hold the CLK or DISP button until the hour flashes. Use the volume knob or arrow buttons to adjust. Press again to set minutes, then confirm.

Why is there no sound?

Check that the volume is not muted and is turned up. Ensure speaker wires are connected properly. Verify the source (e.g., radio, USB) is playing. If using Bluetooth, make sure the phone volume is high.

What audio formats are supported via USB?

The USB port supports MP3 and WMA files. Files should be formatted as FAT32 on a USB drive up to 32GB.

How do I reset the car stereo?

Press the RESET button (usually a small hole on the front panel) using a paperclip. Alternatively, disconnect the power for a few seconds.

Can I control the stereo with steering wheel controls?

This model does not include native steering wheel control support. An external adapter (sold separately) may be required.

How do I adjust bass and treble?

Press the EQ or SEL button repeatedly to cycle through audio settings (Bass, Treble, Balance, Fader). Use the volume knob to adjust each setting.

What is the maximum SD card capacity?

The SD card slot supports cards up to 32GB formatted in FAT32. Larger cards may not be recognized.

How do I activate RDS?

Ensure the radio is in FM mode. Press the RDS button (if available) to toggle RDS on/off. When active, station name and text will display.

Can I use the car stereo with a 24V truck system?

No, the MD-180 is designed for 12V DC systems only. Using it on 24V will damage the unit. A voltage converter is required for 24V vehicles.

USER MANUAL MD-180 Auna

electronic.star

www.elektronik-star.de

graph TD
    A["FM1"] --> B["FM2"]
    B --> C["FM3"]
    C --> A

Simple line drawing of a trash bin with a 'X' symbol crossed out by a black X (no text or labels)

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. PTY

Under radio mode, long press to mute function, short press to search the style of programs

1. Short press to display the musical programs.
2. Short press the six digits buttons to choose to the style you need. If you don't press any buttons. Three seconds later, it will change to the automatic searching functions.
3. Press the PTY button again to display the conversational programs.
4. Back to the second step; Select the various sub-categories of the conversational programs.
5. Press the PTY button again to display the type of search menu programs.

Under music playing mode, short press to mute function.

3. CLK button

Short press can show the present time. Long press to enter into calendar of year setting, use the volume control button to adjust. Short press again can setting month, also use the volume control button to adjust. With the same operation for setting the date, hour and minute. Under the time setting status, long press to choose the 24-hour or 12-hour show.

4. BND button

Under the radio mode, short press to change the band as: FM1-FM2-FM3.

Long press can scan and save stations automatically. Under the music displaying mode, short press to enter into the function of number selection, then use the volume button to select (for example: if you need to select the 12th song, firstly short press BND button, then select the 1 number by the volume knob, then press the volume knob to confirm, and then turn the volume knob to select number 2, then short press the 1 PAU button to confirm to display). Long press this button will enter into the radio mode directly.

5. ▶ button

Under the radio mode, short press to automatically search the stations backwardly, long press is backwardly searching the states by hand. Under the music playing mode, short press to play last song, long press to backward displaying quickly.

6. ◀ button

Under the radio mode, short press to automatically search the stations forwardly, long press to search the stations by hand forwardly. Under the music playing mode, short press to play next song, long press to forward displaying quickly.

7. Rotary Volume

Turn the rotary Volume clockwise can turn up the volume, turn the rotary Volume counter-clockwise can turn down the volume.

Under MP3 playing, the song will quickly forwardly or backwardly by rotating the knob. Continuous pressing to enter the selection as following: Bass→Treble→Balance→Fader→Loudness→EQ→LED-1)

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

Color of LED switching: when the LCD display LED-"number", LED colors (Blue/Red/Purple) can be selected by rotating the volume knob.(Remark: LED-4, the color can turn automatically in every 20 minutes.

Long press to choose the RDS functions:

1. TA ON/ TA OFF: TA switching process;
2. AF ON/AF OFF: AF switching process;
3. TA SK/TA ALM: TA missing action (TA searching / TA promoting);
4. STEREO/MONO: Stereo, Mono selection;
5. RETUNE L/RETUNE S: The length of time to search after losing RDS;
6. MSK DP/MSK ALL: AF switching selection/Do not choose different PI radio stations;
7. EON DX/EON LOC: EON switching away/Short-range selection;
8. CT ON/CT OFF: Synchronous and not Synchronous / the local clock and the RDS clock.

8. 1/PAU

Under the radio mode, short press this button to choose the station number, long press to save the present station to this button. Under the music displaying mode, short press this button will stop displaying music temporarily, short press again will display the music again.

9. 2/INT

Under the radio mode, short press this button to choose the station number, long press to save the present station to this button. Under the music playing mode, Short press this button will look-through the display songs. (Each song plays 10 seconds).

10. 3/RPT

Under this radio mode, short press this button to choose the station number, long press to save the present station to this button. Under the music displaying mode, short press this button to repeat the current song, short press again will release from the repeat function.

11. 4/RDM

Under the radio mode, short press this button to choose the station number, long press to save the present station to this button. Under the music displaying mode, short press this button, the songs will display at random, short press again will release from random mode.

12. 5/DIR-

Under the radio mode, short press this button to choose the station number, long press to save the present station to this button. Under the music playing mode, short press can play the -10 songs, long press this button can read last folder from MP3 folders.

13. 6/DIR+

Under the radio mode, short press this button to choose the station number, long press to save the present station to this button. Under the music playing mode, short press can display the +10 songs. Long press can read the next folder from MP3 folders.

1. Preset stations

You can choose 18 stations to preset as you want (each 6 stations for FM1, FM2, FM3)

A. Repeat to press the BND button in the panel. Every time press the button, the band will change as following:

graph LR
    A["FM1"] --> B["FM2"]
    B --> C["FM3"]
    C --> A

B. Long press the button ▶ or ◀ button can choose the station by manual; Short press the ▶ or ◀ button, can choose the station automatically. After you choose the station, long press any button of Number 1-6. And hold the button for 1 second can preset the station you choose.
C. Long press the BND button of the panel, and hold it for 2 second, the system will preset the stations automatically. If you short press any button of Number 1-6, when it playing, it will play the preset station accordingly, and display the preset number.

Remark: If you try to preset another station in the same band and the same number button, the station you preset before will be cancelled.

1. Display Preset stations

A. Repeat to press the BND button to choose the band.
B. Short press the Number button 1-6 can play the stations you preset.

Remark: If you cannot play the preset stations, you can repeat to short press the ▶ or ◀ button, it will scan the stations automatically.

MP3 Display Operation

1. Our system support to play any time you insert the card. When it plays the USB, the logo USB blinks. When it plays the SD/MMC card, the logo SD blinks.
2. Short press the button ➤ or ◀ can display the next / last song, long press to forward / backward quickly.
3. Short press the number button 1 can stop play, short press it again can release from pause.
4. Short press number button 2 can enter or release from look through play function, When use the look through play function, the unit will play the songs for 10 seconds.
5. Short press the number button 3 can enter or release from repeat play function.
6. Short press the number button 4 can enter or release from random play function.
7. Short press the number button 5 can -10 for the serial number of the songs, long press enter the function of read the Mp3 folder.
8. Short press the number button 6 can +10 for the serial number of the songs, long press enter the function of read the Mp3 folder.

Clock Operation

Short press can show the present time. Long press to enter into calendar of year setting, use the volume control button to adjust. Short press again can setting month, also use the volume control button to adjust. With the same operation for setting the date, hour and minute. Under the time setting status, long press to choose the 24-hour or 12-hour show.

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-.

Detaching the front panel

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.