SOUND TECH DM-AN2257BT Multimedia Receiver User Manual

June 1, 2024
SOUND TECH

● DM-AN2257BT (6.75” Screen)
Android 10 with WIFI

SOUND TECH DM AN2257BT Multimedia Receiver

User Instruction Manual

User instructions

We are very glad that you would choose this vehicle radio navigation system device.
The device is based on the Android platform with WIFI. It enables you to have a fast and convenient Internet experience, kind of multimedia entertainment function.
This booklet will introduce the various features of the device, please read it carefully before the installation of the device.

Features and Functions

  • Smart phone connection, Mirror Link
  • Fully capacitive touch screen control
  • Built-in Bluetooth, hands-free, phone book, A2DP to steaming the phone music to the radio.
  • 1024*600 super high definition digital screen
  • Android System 10.0
  • Quad Core 1.3GHz
  • Built-in WIFI.
  • Rear view camera input
  • Built-in 4*45W MOSFET Amplifier IC
  • Built-in FM/AM & RDS
  • Two rear USB input
  • Steering wheel control
  • DSP: 16EQ
  • Build-in GPS receiver

Bluetooth Connection

SOUND TECH DM AN2257BT Multimedia Receiver - Bluetooth
Connection

Press the bluetooth icon onthis page.
Open the bluetooth option on the mobile phone and search the device named “DM- AN2257BT”, The PIN is “0000″.User can also go to setting to change the Bluetooth device tag and PIN.
If you want to play the music in your mobile phone, please click the music icon and change to Bluetooth music mode.

SOUND TECH DM AN2257BT Multimedia Receiver - Music
mode

Radio

FM/AM & RDSSOUND TECH DM AN2257BT Multimedia Receiver -
Radio

: User can save the favorite radio frequency here. Press the relative column for 3 seconds, the current radio frequency will be saved in this place.
: Press for auto frequency search backward.
: Press for auto frequency search forward.
: Press for manual frequency search backward.
: Press for manual frequency search forward.
: Adjust the EQ setting of the radio.
: FM/AM Switch.
RDS search selection.
AF-Auto frequency.
PTY-Programme type and search.
ST-Stereo effect.
TA-Traffic announcement.

Car Setting:

This APP is special designed for Car Android DeviceSOUND TECH DM AN2257BT
Multimedia Receiver - Car Setting

5.1 System Info:SOUND TECH DM AN2257BT Multimedia Receiver - System
Info Users can check the unit system information here.

5.2 Factory Settings

SOUND TECH DM AN2257BT Multimedia Receiver - Factory
Settings

User can change the unit presettings here. We do not recommend user to change any settings here as it may result unrecoverable damages to the unit.

5.3 Car Settings:SOUND TECH DM AN2257BT Multimedia Receiver - Car
Settings

If fuser want to use the CANBUS to decode the car system do have the original steering wheel control, air conditioner etc, please contact with the sellers to buy the suitable CANBUS Decoding Box and make relative changes.

5.4 Android Settings

SOUND TECH DM AN2257BT Multimedia Receiver - Android
Settings

User Press the’Go to settingshere to go to the android setting mode.

5.5 Volume SettingsSOUND TECH DM AN2257BT Multimedia Receiver - Volume
Settings

User can adjust the volume ratio in different mode here.

5.6 GPS Detection

SOUND TECH DM AN2257BT Multimedia Receiver - GPS
Detection

If fuser can not get the position in the navigation software, users can go here to check the hardware performance. If users can not find the GPS signal, please check if the GPS antenna is placed in the right way, make sure the receiver side is up, the side with stickers is down.

5.7 Steering Learn

SOUND TECH DM AN2257BT Multimedia Receiver - Steering
Learn

Please follow below steps to connect the wires:

  1. Find your car steering wheel control button signal wires, it is normally located under your driving wheel.
  2. There are two cables , one gives “+” voltage and another gives GND voltage.
  3. Check our unit power cable, there is a wire labled “SW1” or “SW2”
  4. Connect the “+” Voltage wires to the “SW1” or “SW2” wires.
  5. Connect the GND wire to GND wire of our unit.
  6. Go to the option to learn the steering wheel control function.
  7. Press the relative function icon on the unit.
  8. Press your steering wheel control button and there will be a voltage on our unit to memory.
  9. Step by step to finalize all the buttons.

5.8 Navigation

SOUND TECH DM AN2257BT Multimedia Receiver -
Navigation

5.9 Logo Setting

SOUND TECH DM AN2257BT Multimedia Receiver - Logo
settings

Select the car logo from “INTERNAL LOGOS’ and set for your car.

Other Settings

SOUND TECH DM AN2257BT Multimedia Receiver - Other
settings

Float Bar: press this feature on to have the assitive touch point display on the screen all the time.
Handbrake: press this on, then the device will not allow to watch video during driving due to safety reason.
Screen Setting: This setting will force the screen in the Horizontal screen mode.
Revers Settins: if you need to have the sound of the unit when you are reversing the car and enter into reverse camera mode, please click it on.

Here Offline Map

If you want to download the offline map in the Here application, please follow the steps below:
7.1. Please power on the unit and make sure the unit is connected to the internet via WIFI.
7.2. Find the Here application from the menu, active the HERE WEgo application.

SOUND TECH DM AN2257BT Multimedia Receiver - Here offline
Map

7.3. After entering the Here application according to the system prompts, find the setting options from the upper left corner.

SOUND TECH DM AN2257BT Multimedia Receiver - left
corner

7.4. Check Use app offline and click Download maps.

SOUND TECH DM AN2257BT Multimedia Receiver - Download
maps

7.5. First select the region of the country where the offline map needs to be downloaded, and then select the download icon of the corresponding country.

SOUND TECH DM AN2257BT Multimedia Receiver - Download
icon

8.1. After entering the menu page, find the icon of Phonelink and open the application.

SOUND TECH DM AN2257BT Multimedia Receiver - Phone
link

8.2. Select the corresponding options according to your mobile device system and connection method.

SOUND TECH DM AN2257BT Multimedia Receiver - Phonelink

8.3. Android USB mode tutorial:

  1. Connect your mobile phone to the 6pin USB interface of our product by using the USB data cable ( Note: this device can only use the USB interface defined by the 6pin)
  2. Open USB debugging mode of mobile phone
  3. Open the TIMA app on the phone and authorize the connection according to the phone prompts. ( Note: TIMA applications need to be installed on mobile phones first)SOUND TECH DM AN2257BT Multimedia Receiver - USB mode Tutorial

8.4. Android WIFI mode tutorial:

  1. Before use, please ensure that our product has been connected to the reverse input harness with wifi antenna, because if the harness is not connected, the wifi signal will be weak and the connection will fail.
  2. Turn on mobile phone hotspots and connect our products to our mobile phone hotspots
  3. Open the TIMA app on the phone and authorize the connection according to the phone prompts. ( Note: TIMA applications need to be installed on mobile phones first)

SOUND TECH DM AN2257BT Multimedia Receiver - WIFI mode
Tutorialhttp://d.91carnet.com/t/2666.html

8.5. IPhone WIFI mode tutorial:

  1. Before use, please ensure that the reversing input harness with wifi antenna has been connected to the vehicle, because if the harness is not connected, the wifi signal will be weak and the connection will fail.
  2. Turn on mobile phone WIFI and connect our products with our mobile phone WIFI.
  3. Open the AirPlay image function of the mobile phone and connect to our device to complete the projection.

SOUND TECH DM AN2257BT Multimedia Receiver - IPhone WIFI mode
Tutorialhttp://d.91carnet.com/t/2666.html

FAQ:

Q: I can not figure out how to make the reverse camera work:

Q: How to use the steering wheel control?

Please refer to the point 6.7 of this manual

Q: The back light of the button is not working.

Please check if the wire labled “ILL” is connected to the front lamp wire. When the front lamp is on, the unit back light will be on automatically. Users can also connect this ILL wire to continues +12V to keep the button light on always.

Installation Diagram

1 Ground 9 Front Right Speaker-
2 Car Batt I2V 10 Rear Left Stealer –
3 ACC. ignition wire 11 Front Right Speaker +
4 Front Light Signal Wire 12 Rear Left Speaker +
5 Reverse Gear Signal Wire 13 Front Left Speaker –
6 SWC2 + 14 Rear Right Speaker +
7 SWC1 + 13 Front Left Speaker +
8 Auto ANT Power 16 Rear Right Speaker –

SOUND TECH DM AN2257BT Multimedia Receiver - Diagram

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