4. Busy Channel Lock
You can turn on/off this function via software.
A: if the current channel does not have CTCSS/DCS, when there is signal, TX prohibited when you press PTT.
B: If the current channel does not have CTCSS/DCS, when there is signal which does not nave CTCSS/DCS, TX prohibited when you press
PTT.
C: If the current channels does not have CTCSS/DCS, when there is signal which have CTCSS/DCS, the radio will transmit when you press
PTT.
5. VOX
Speak to the microphone in normal voice to transmit, no need to press PTT switch, turn VOX on/off though the software.
A: when VOX is on in your working channel.
Speak to the microphone directly, it will transmit automatically.
The radio stops transmitting when there is no voice, and waits for receiving
B: when a headset with a microphone is used.
When VOX is on, you should VOX again for the radio to identify voice volume.
If the microphone is too sensitive, the noise around radio will start transmitting.
If the microphone is not sensitive, the radio cannot collect your voice, Please Adjust VOX level well to guarantee smooth communications.
English/Chinese Voice Prompt
6. Voice prompt
The default setting is Chinese voice prompt, and you will know the working condition of the radio with voice prompt.
1)The voice prompt can be selected "Chinese/English/Tone/OFF" through the menu "Voice/Beep Tone" of the "Optional Features" in the
software for. When choosing "OFF", voice prompt turns off.
2) Channel annunciation: You will get to know the working conditions of current channel which is being operated.
3) Low battery alert: The radio will alert you when the battery capacity reaches the minimum operating voltage.
7. Low battery prompt
The default setting is Chinese voice prompt. When transmitting or standby, if the battery capacity reaches the pre-determined low level, the
indicator light blinks red, and a low battery alert tone will be heard.
The indicating tone can be "Please change the battery". When the low battery alert occurs, it cannot transmit, please change or charge the
battery.
8. Squelch function
The squelch level will determine the signal strength to open the speaker of the radio. If the squelch level is lower, the background noise of
opening the radios speaker will be higher, and the corresponding communication range will be further, but the anti-interference capacity will
be weaker.
The default setting of squelch level is 5, you can adjust it through the menu "Squelch Level" of the "Optional Features" in the software for.
Level 0 to 9 can be selected. 0 is the lowest level.
9. Time out timer (TOT)
The purpose of TOT is to prevent any radio from talking in one channel for a long time, and to prevent the transceiver from being damaged
EN-9