Two Channels Bluetooth headset Bluetooth Audio tester automatically search for connection/play music

16MM metal self-locking power switch, when DC5V (USB) is inserted, the button green light will light up the power icon, indicating that the power supply is normal, at this time if you need to turn on, only need to press the power switch, after pressing the power switch, the screen will light up, the LED indicator will start to blink after starting

connected, the indicator is steady on until the Bluetooth device is disconnected. In the four-channel tester, the indicator is the NFC function indicator, and when the NFC function is available, the indicator is blinking and the NFC burner is required.

1. Distance + button: To increase the connection distance, first set the distance of the machine to 90, then place the product to be connected in the position to be connected, connect the product, see the RSSI value in the lower right corner, for example, the RSSI is -45, set the distance to 50-55, you can effectively control the connection distance;

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

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

Dc-5v input interface: MINIUSB power supply interface, input voltage 5V/2A, try to use the original adapter;

The music interface of Bluetooth headset or stereo in music mode, with 128M MEMORY TF card, including instructions, test music and so on

instructions：

1. Switch on the DC5V power supply, press the on key, the display light up, connect A and B，The indicator is flashing, and the tester will automatically search for the Bluetooth device.

2. Put all the products to be tested on bluetooth at the test station, and connect A with B，The indicator light is always on and two Bluetooth products have been successfully connected.The LCD displays the product status, address, and Bluetooth name. At this time, The Bluetooth will play music automatically. At this time, you will start testing, play/pause, call/microphone performance test.Operation blue The screen will switch to "when" for the last/next song, play/pause, call/microphone Pre - operate bluetooth product status.Test microphone call with current status priority.

3. The two test bits should be separated by a distance of 3m, or 3m at standard time，For bluetooth products outside, set the key of "signal strength distance setting" to the appropriate value.At this point, the tester will extend the time or disconnected state of bluetooth products three meters away.This value is not，Can set the bottom, will affect the Bluetooth connection.If the test bit bluetooth is not connected during standard time，Set the instrument "signal strength distance setting +" key to increase the value appropriately.

4. During microphone and phone tests:The product has defined the play button to start the telephone redial function, the direct operation of the product can be completed，The test.That is, double click or long press the play button, and then press the answer button, and your product will automatically enter through，The test.For products with no redial function defined, press the call mode key on the tester to test，The tester will automatically send a set of phone rings to your product, and then press the answer button to enter，Incoming call mode;There is also a product does not have a play key (answer key).Just follow the microphone Type key to enter call test;The LCD will display the corresponding status and speak to the microphone at this time to test the product，The speaker will play the speaker's voice.A headset or an active stereo can be installed on an external call port，A very clear voice.5. Test microphone and phone functions.Turn off the Bluetooth product.Pick up the second device, immediately start testing the second product, while testing the tester has automatically started automatic search for the third，Products of Taiwan.And so on, and so on, and so on.

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?

Firstly, rotate the volume rotation button next to the TF card to see if there is any music sound; secondly, 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?

Rotate the volume button next to the call output to see if there is a call sound;

6: Music noise?

First, turn the volume rotation button next to the TF card to adjust the volume to an appropriate position. Because the gain and audio curves of each product are different, too much sound may lead to abnormal sound and harsh sound.