6
1. Other: It shows all the songs in TF card.
2. Touch Calibration: Press”+” on screen to adjust.
3. Backlight status: to turn on/off the screen saving page.
4. AUX: to choose audio input to play
5. Language: to change language
6. Power on play: Enable or disable the function.
3.4 Music Library
1. All the songs need to be at the root of TF card.
2. Support MP3, WAV, APE, FALC, AAC,etc format
3.5 Bluetooth
Enter Bluetooth function, search Bluetooth name in your mobile/pad.
The default name is 8888. Pair with it. The default password is 8888.
Play music from mobile or pad directly.
3.6 Modify Bluetooth name and password
Bluetooth modification instructions: use 485 tools to modify the Bluetooth
name and password: 485 logic protocol analysis
1. Each communication to send a string of data, packet header, data, frame
tail. As follows:
S
tart character ID number Data Length Packet Check Code End Character
1 byte 2 bytes 1 byte <12 bytes 1 byte 1 byte
2. Start character (1 bit) ID number (2 bits) Data length (1 bit) Packet
(instr parameter) (Less than 12 bits) Check code (1 bit) End character
(1 bit)
7
Check bit (and check) = ID data data instr
parameter
3. Host ID modification
FA 00 00 03 6A + 00 02 (ID to be modified) 6F FE
Start character ID number data length instr packet (less than 12
bytes) check code end character
4. Bluetooth Modification Name and Password: Format Unicode
Set the Bluetooth name:
FA 00 00 05 70 + 41 42 43 44 (Name to be modified) F9 FE
Start character ID number data length instr packet (less than 12
bytes) check code end character
Set the Bluetooth password:
FA 00 00 05 72 + 41 42 43 44 (Password to be modified) F9 FE
Start character ID number data length instr packet (less than 12
bytes) check code end character
Chapter 4: Technical Parameters
2.8‐inch resistive touch screen
Power Supply: AC100‐240V
Output Power: 20W+20W (Max)
Input Impedance: 10KΩ
Output Impedance: 4‐8Ω
THD: 0.03%
Frequency response: 20Hz‐20KHz
Bluetooth Transmission Distance: ≤ 15M
Product size: 86 x 86 x 42mm
