Four Channels Bluetooth headset Bluetooth audio tester automatic search connection/call test factory direct sales

Test function description：

power switch：

Indicator light description：

Indicator light B: represents the indicator light of Channel B. When searching for bluetooth devices, the channel indicator will be flashing. When the Bluetooth devices have been connected, the indicator will always be on until the bluetooth devices are disconnected.

Indicator light C: represents the indicator of Channel C. When searching for bluetooth devices, the channel indicator will be flashing. When the Bluetooth device has been connected, the indicator will always be on until the bluetooth device is

Indicator light D: represents the indicator of D-channel. When searching for Bluetooth devices, the channel indicator will be flashing. When the Bluetooth device has been connected, the indicator will always be on until the bluetooth device is

Light E/SIRI: said E channel lamp, in search of bluetooth devices, channel lights flashing status, when has linked the bluetooth device, light is normally on, until the bluetooth device disconnected, in four channel tester, the indicator light is SIRI function indicator lights, and have the function of SIRI, lights flashing once;

Light F/NFC said F passage lamp, in search of bluetooth devices, channel lights flashing status, when has linked the bluetooth device, light is normally on, until the bluetooth device disconnected, in four channel tester, the indicator light is NFC function indicator lights, and NFC function, lights flashing, to burn and the NFC device use;

Indicator light: When the connected device operates with the previous function, the indicator will flash once and voice broadcast will be included, and the music will be changed to the previous music;When the connected device has the function of volume adding, the indicator light flashes quickly once;

Indicator light play/pause: Connected device. When playing music, the indicator light is always on and the music is played;In the paused state, the concert paused and the light went out;

Indicator light next music: The connected device flashes once when it has the next music function and broadcasts with voice, and switches the music to the next music;When the connected device has the function of volume reduction, the indicator light flashes quickly once;

Key function Description：

1. Volume + button: In the music mode, press short to increase the music volume, and press long to switch to the previous music;(The maximum volume is 31, and it is recommended to set the maximum to 29, otherwise there will be noise.)

2. Volume - Button: In the music mode, press short to reduce the music volume, and press long to switch to the next music;;(The minimum volume is level 0, and it is recommended to set the maximum value to level 2, otherwise there will be no music)

3, distance + button: the connection distance increases, first set the distance of the machine to 90, and then the product to be connected to the location to connect, connect the product, look at the RSSI value in the lower right corner, such as the RSSI on the connection is -45, set the distance to 50-55, you can effectively control the connection distance;

4. Distance - press the button: reduce the connection distance;

5, calling mode button: connection to the bluetooth device in playing the music interface, short press the change button,

6. Microphone mode button: Short press the change button to directly enter the microphone mode of the bluetooth device on the current display interface. After the microphone is finished, short press the call mode button or press the Hang up button of bluetooth headset or stereo to exit the call and return to the music playing mode;

7. Reset button: Short press change button will disconnect the bluetooth device on the current display interface, long press change button can disconnect all connected devices of the current device;

antenna：

1. RF-A antenna interface: A module transmitting power antenna;

2. Rf-b antenna interface: B module transmitting power antenna;

3. Rf-c antenna interface: Transmitting power antenna of C module;

4. Rf-d antenna interface: Transmitting power antenna of D module;