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Camera hole
For mobile phone camera
photography
Speaker
For making sounds
PPT key
For transmitting signals
Power button
For on/off
USB port
For charging the battery / serving as power bank to charge the phone / reading and writing talkback frequency information
Function symbol description
The LCD display symbols of this unit are as follows:
LCD screen
For displaying the working statu
of the current machine
Function button
For operating various settings of th
machine
Microphone
For inputting sound signals
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L indicates that the transmission is in low power.
H indicates that the emission is in high power.
S indicates that the power save switch is ON.
QT indicates that there is currently an analog sub audio.
DQT indicates that there is currently a digital sub audio.
indicates that the unit is currently being used as a power bank..
Power bank function and charging operation instructions
This machine has a built-in battery and can serve as a powder ba nk. When you need to charge the mobile phone, you can use the dedicated USB
charging cable to connect the USB port of the machine a nd the USB port of the mobile phone to realize the charging function. At this time, the “ ”
symbol will appear on t he screen of t he mobile phone; when the machine is out of power, us e USB cable to connect 5V to the USB port of the unit to
charge the ba ttery.
Basic operation
Power on/off
Press and hold the “ ” key until you hear the “didu” sound and t he screen lights up, indicating that the power of the interphone is turned on; in the
power-on state, press and hold the “ ” key until you hear the “didu” sound and the screen goes out, indicating that the power of the interphone is
turned off;
Call
While holding a call, hold the [PTT] key and speak into the microphone with normal tone. Keep the distance between the microphone and t he lips 3-8
cm when speaking. When the [PTT] key is pressed, the screen displays , indicating that the transmission starts.
Receipt
When receiving, release the [PTT] key to enter the receiving state. When the channel you a re using is called, you can hear the other party's voice. If
the s ignal is weak and you set a high squelch level for your radio, you may not be able to hear the call.
In the power-on state, press the [V/M] key to switch between the above three modes.
Menu function s ettings
indicates that it is transmitting.
indicates that the beep switch is ON.
indicates the battery charge status and serves as an indicator for charging the battery.