DA310 Bluetooth 5.3 Multi-function Audio converter use manual

DA310 is a multi-functional K-song entertainment audio decoding and playback machine created by a new high-fidelity custom chip. The chip has built-in DSP+9 EQ sound processing and is equipped with independent ear playback, which has been repeatedly adjusted by senior engineers. Support fiber, coaxial, Bluetooth 5.3 reception, U disk, PC-USB, AUX multi-mode input; Supports 192K 24BIT digital-to-analog conversion and Bypass pass-through. Any wired input can be synchronized to multiple audio devices. The audio of TV, computer, mobile phone, set-top box and other playback equipment can be connected to the traditional speaker or power amplifier or headset through a variety of wired or wireless Bluetooth input; Bluetooth transmission function can also wirelessly transmit audio to Bluetooth speakers or Bluetooth headphones and other devices, a person at night to enjoy music does not affect the family; Standard remote control, support full function and K song or play sound effect remote control switch, and support computer and OTG mobile multimedia playback remote control selection, provide a variety of ways to use, to meet the user’s music play + blockbuster sound + entertainment K song audiovisual diversity needs.

Features:

1, support Bluetooth 5.3, fiber, coaxial, U disk, PC-USB, AUX multi-mode input;

2, support increased high sound quality mark wind input, remote control support K song reverberation and other sound effects adjustment.

3, independent high-fidelity professional ear amplifier, 215mW@16Ω, 200mW@32Ω 0.005% THD+N.

4, Support BYPASS function, 3.5(AUX) ear amplifier, Bluetooth emission, fiber and coaxial (D version), RCA Lotus (B version) can be synchronized output;

5, support fiber, coaxial, U disk, PC-USB, AUX input signal to Bluetooth signal wireless transmission to Bluetooth headset or Bluetooth speaker;

6, support mobile phone (OTG), computer, TV via USB input audio signal conversion of the corresponding digital or analog signal output,

7, fiber, coaxial support up to 192kHz / 24Bit sampling rate input;

8, U disk support MP3, WAV, WMA, APE, FLAC and other formats play, the maximum support 128G capacity FAT32 format;

9, support multimedia remote control. Bluetooth receiving and U disk and PC-USB input can be controlled by remote control of QQ music and other players up and down song switch and play pause and volume adjustment;

10, with infrared remote control, support digital selection song (U disk) and EQ sound switching and other functions;

11, support power memory, power automatically start and restore the state before power.

12, full mode mute processing, eliminate the prompt sound on the sensitive earphone interference explosion ears;

Interface physical diagram

Switching function:

1. When the device is powered on, it automatically starts to restore the state before power failure (the front panel indicator lights up blue).

2, off state: short press the machine “M⑺/ volume key” to start; In the startup state: press the “M⑺/ volume key” to switch mode; Hold down the M⑺/ Volume key to power off the device.

3, the remote control can press the “power button” to switch the machine.

Bluetooth receiving BR mode:

Mobile phones, computers, pads, etc. wirelessly connect to this device through Bluetooth function, and through the Bluetooth receiving function of the device, the music is transferred to the audio device with AUX or RCA or optical fiber or coaxial audio input interface.

Operation steps:

1. Turn on the DA310, press the “Bluetooth Receive” (BR) key of the remote control or the “M” multi-function key of the machine, and switch to the device BR indicator flashing.

2, Turn on the Bluetooth function of mobile phone or tablet, click Search Bluetooth device, click the device name “DA310” in the Bluetooth list to connect.

3. After the connection is successful, the blue indicator light of the device BR is steady on.

4. Insert the headset cable or RCA cable or coaxial line or optical fiber cable into the corresponding audio OUTPUT on the device, and insert the other end of the audio cable into the audio input interface of the audio amplifier or wired headset device, and switch the sound box or power amplifier input mode corresponding to the wiring.

5, open the mobile phone music player click to play music. You can switch up and down and play pause by pressing the machine button or remote control.

Note:

① When the device is powered on and enters the Bluetooth receiving mode, it automatically connects back to the paired device. If you want to connect a new device, disconnect the paired phone or press and hold the playback pause button to force pairing (blue light flashes).

② Cannot be paired, delete all connected Bluetooth device records from the phone or tablet device. Restart the phone or tablet to restore the Bluetooth driver of the device and reconnect the device.

Microphone input:
The DA310 has been upgraded to an increased MacMac input, which directly plugs wired or wireless 6.5mm MacMac into the MIC interface (non-PC 3.5mm MacMac), that is, you can superposition MacMac sound with any audio input signal, and you can sing karaoke at home.

Note:

① When the sound of the remote control is connected to the work, the reverberation, singing, sound of the remote control, and voice cancellation buttons can be activated, while the sound effect is restored to normal and the EQ key lock can not be switched.

② When the adjustment is confused, you can press the REST (reset) key of the remote control to restore the initial value.

③ When there is no input, please confirm that it is capacitive and can work normally or try to unplug and insert the input terminal for several times or check and replace the input terminal.

Because the stereo itself does not have an independent voice track, the principle of chip voice elimination is suppressed according to the sound source frequency algorithm, and different music has different elimination effects due to different frequencies.以上翻译结果来自有道神经网络翻译（YNMT）· 通用场景

 

Usb flash drive playback:

1, please format the USB flash drive or check whether the USB flash drive is FAT32 format MBR partition, the maximum capacity of the USB flash drive supports 128G.

2, Copy the audio file to the U disk, you can build a folder classification copy. Support MP3, WAV, WMA, APE, FLAC and other formats (recommended bit rate of CD-level 1411.2kbps and below).

3, insert into the USB input port of DA310 can play, switch the DA310 U disk input mode (USB light).

4, through the machine button or remote control can switch up and down and play pause and set the loop mode.

Note:

① The remote control supports up to 9999 digits to select songs, DA310 automatically recognizes according to the input digit interval, and the indicator flashes once after pressing the remote control input command, indicating that the instruction has been received. Please wait for the machine to automatically recognize and switch after the complete input.

② If the device does not recognize the USB flash drive, please check the format of the USB flash drive or use the following link to re-format the USB flash drive.

Usb flash drive can not recognize or read abnormal disk? U disk partition table to the MBR can: https://www.aoyint.com/mbr.html

Fiber, coaxial, AUX input modes:

 

1. Connect the optical fiber or coax or AUX output outlet of the audio source device to the optical fiber (OPT) or coax (COX) or AUX input port corresponding to DA310 by optical fiber cable or 75 euro coaxial line or AUX audio cable.

2, set the audio output of the audio source device such as the TV to the corresponding optical fiber or coaxial or AUX output, and switch the output audio format to: PCM

3. Switch DA310 to the corresponding optical fiber (OPT on) or coaxial input (COX on) or AUX input by remote control or by pressing the “M” key of the machine.

Note: ① When there is no audio signal input in the connection line, the DA310 mode light blinks, and the DA310 will turn to steady on when it detects the audio signal input mode. If no sound is generated, check whether the preceding steps are correct according to the indicator status.

Mobile OTG or PC sound card:

1, please connect the USB cable that supports audio data transmission to the USB port of the computer or the sound card output of the mobile phone.

2. Insert the other end of the USB cable into the USB input port of the DA310, the device switches to OTG mode and lights up, and the computer will automatically install the driver and recognize the playback device: DA310 USB Audio after successful installation

3, right-click the computer sound icon, and set the computer sound – playback device: DA310 USB Audio as the default output device.

4, open the music player to play music.

Note:

① When using the mobile phone, the mobile phone should have the OTG sound card function and the mobile phone OTG adapter;

② Remote control computer or mobile phone QQ music, perfect decoding and other players up and down switch and play pause, does not support web playback control.

③ When inserting the mobile phone, the mobile phone prompts that the charging is the mobile phone interface function identification error. Remove and reinsert the USB cable from the DA310 device.

Bluetooth transmission BT mode:

The audio of computers, TVS, projectors and other devices is output to the DA310 through AUX, optical fiber, coaxial, and USB lines, and the DA310 wirelessly forwards the sound to Bluetooth headphones or Bluetooth speakers and other Bluetooth receiving devices, which can enjoy the audio and video without affecting the family.

• Please check and select a qualified adapter before power on. It is recommended to choose an output voltage of 5V 1A adapter (be sure not to use QC variable voltage fast charge power supply), overvoltage will burn the machine.

• Replace the TYPE-C power cable.

Serial number	Fault phenomenon	Reasons and solutions
1	No electricity	Check whether the power adapter voltage is 5V 1A, and whether the power module is fully inserted. Replace the TYPE-C power cable.
2	No sound is heard or the sound is abnormal	Whether the input signal source is enabled and switched to PCM format output Check whether the signal source channel selection corresponds to the cable interface Input Whether the corresponding indicator blinks. Blinking indicates no signal input Verify that the power amplifier is powered on and properly connected to the machine Check the volume Settings of the device and amplifier and whether it has been muted The earphone can be connected to the ear output to check whether the output of the device is normal
3	Bluetooth wireless pairing	Make sure the product is in pairing mode (disconnect connected mobile phone and other devices) Make sure the product is within range of the matching device (contact the phone near the device first) Delete all connected Bluetooth device records from your phone or tablet device. Restart the phone or tablet to restore the Bluetooth driver of the device and reconnect the device. When the distance is too short or the connection is not successful, please check whether there is too much interference from 2.4G wireless devices around the environment (such as WiFi signals, wireless mice, other Bluetooth devices, etc.). Please do not place the device on metal objects. When the signal is interfered with or blocked, it may also cause sound interruption/stuttering.
4	Does not match with computer Bluetooth	Download the latest driver from the Bluetooth manufacturer or download Chizuki software (supports the A2DP protocol). Contact your PC supplier for more information. Or download third-party Bluetooth driver: Chiki software (supports A2DP protocol).
5	inoperable	Button cannot operate: Please re-power and try again Remote control can not operate: within 10M barrier-free operation, check whether the remote control battery is installed or inverted, whether the battery is exhausted (please replace the battery) Press the remote control button, the machine indicator flashes, indicating that the remote control works, does not flash, indicating that the remote control does not work
6	Listening to wechat voice messages is incomplete	You can set the wechat voice player to playback on the handset. Setting Method Long press the voice message, the setting bar will appear, and modify the setting to playback on the handset.