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open the APP, select [Bind New Device], connect the power cord to the car radio, press
and hold the power button to turn it on, then double-click the power button, you will hear the
“ding-dong” pairing tone, prompting the walkie-talkie to enter into the pairing state.
3. choose the device you want to pair
4. some mobile phone Bluetooth pairing requires authorization, so [make sure] pull down
the phone menu to see, select to confirm, Bluetooth pairing can be paired successfully.
Second: How to connect Bluetooth PTT
1. connect Bluetooth PTT
Turn on the walkie-talkie, double-click the power button of the car radio, you will hear the
“Ding-Dong” pairing tone, prompt the car to enter the pairing state, long press the Bluetooth
PTT until the red light flashes into the pairing state, to indicate successfully paired.
Third: How to modify the frequency?
Open the mobile app and open the RT99 interface, as shown below
Long press on a channel and select Edit Channel to edit the channel parameters.
Fourth: How to display the frequency on the phone
When the frequency setting is completed, horizontally displaying the phone, and the
frequency will be displayed on the map interface (the up arrow means launching status and
the down arrow means receiving state)
Fifth: How to create a new network channel (this function is only valid for Android)
1. Open the APP, click [Join Network Channel], select [Create New Channel]
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