LIKEBUY Bluetooth Test Instructions
Front panel function introduction
1. Power switch:
16MM metal self-locking power switch is adopted. When DC5V (USB) is inserted, the green light of the button will light up and the power icon will light up, indicating that the power is normal. At this time, if it is necessary to start up, just press the power switch.
2. Display screen:
3. Indicator light:
Indicator light A: represents the indicator light of channel A. 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 disconnected.
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 disconnected.
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 disconnected.
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;
4. Key function Description:
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.)
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)
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;
Distance – Press the Button: reduce the connection distance;
Calling Mode Button: connection to the bluetooth device in playing the music interface, short press the change button, bluetooth headset or sound can be heard to telegraph number (0-9) number number, you can use headphones or sound of answering the call button calls can answer calls, in a short time according to the change button after entering calls, on their own microphones, headphones, speakers can hear his voice, to test the microphones.
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;
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;
Back panel function introduction
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;
The Power Supply Interface:
Dc-5v input interface: MINIUSB power supply interface, input voltage 5V/1A, try to use the original adapter;
TF Card Interface:
TF card interface: The music interface of Bluetooth headset or stereo in music mode, with 128M MEMORY TF card, including instructions, test music and so on
Audio Interface:
1. HFP-in: When calling, voice input can be used for attack test;
2. H2DP_IN: the default TF card music, when the audio cable is inserted, the first default is external audio input;
3. Hfp-out: During a call, when the headset or 3.5 audio cable is inserted into the modified interface, the voice of the call is not transmitted back, and the voice of the call is output from the modified interface;
4. HFP_VOL: Change the knob switch to turn left and right to change the volume of the call.
Emergency Problem Solving Collection:
1. Turn on the device without power on or the indicator light does not flash?
First, check whether the indicator light of the power switch is on. If the screen is on but the indicator is not flashing, be sure to turn off the power switch before powering on. Then, plug in the USB power and start up the machine to see if the problem is solved.
2. Lights flashing but not connected to Bluetooth devices?
First, check the distance of the machine, increase the distance of the machine to 95, and then search the equipment to see if the problem is solved.
3. Bluetooth connected, no music?
First, press the volume increase or decrease button to see how much the volume is set and increase the volume to 25. Second, check whether the TF card is loose, pull out the TF card and re-insert the TF card to see if the problem is solved.If there is still no music, please plug in the TF card, turn off the machine, plug in the USB port again, and connect the Bluetooth device again.Careful attention, TF card music has mono music, first you make sure your product is stereo, or press the next function of the product to see if there is music.
4. Call and scream?
Since the gain of bluetooth microphone varies with different bluetooth schemes, it is necessary to turn the HFP_VOL knob to turn down the volume of the call.
5. No sound on the phone?
See if hFP-vol volume is turned on
6. Music noise?
The maximum volume is level 31. It is recommended to adjust the maximum volume to level 29 for general sound. Otherwise, there will be noise