Side- Key Function; Basic Operation; Scan Function - Retevis RT647 Handbuch

Side- key function

RT647 support the side-key assignment, it has following function for choose:
Monitor
Channel lock
Scan
VOX
The default function is: Side-key 1 short press for channel +, long press for Monitor
Side-key 2 short press for channel - , long press for lock

Basic Operation

1. Scan function

On the 16th channel, when the radio is allowed to be scanned, which can be set by the
software, the radio will scan automatically from 1th to 16th which is defined as scan added.
When there is signal in the scanning channel, it will stop in the channel for talk.
Note:
When there is signal in the scanning channel, it will stop in the channels for a talk and after
5 seconds it will continue to scan the next channel.
Please note that scan is only available when there are two or more than two memory
channels and two or more scan added channels.
2. Battery save function
This function can be set by the software.Turn on this this function can make the standby
time more longer
3. Scrambler
This function can be set via the RT647 software.
Scramble is an way to encrypt the voice.When one radio is set the scrambler, TX voice will
be set out with scrambler, other radio will received the signal only set the correct scrambler.
Every channel can set individual scrambler.
4. 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 can not collect your voice, Please Adjust
VOX level well to guarantee smooth communications.