Retevis RT642 Handbuch Seite 3

Walkie-talkie function introduction:
Function Description
Channel Up to 16 channels selectable
Mute code 50 group of CTCSS
105 group of CDCSS
Radio (FM) 87MHZ-108MHZ audio segment selectable
Programming
Connect PC to programme
Power saving
Extend the standby time of the walkie-talkie
function
LED icon introduction:
Indicator Name
Channel programming
/Volume level
Battery level display
Walkie-talkie function
indication
FM radio indication
Key lock
Content
During standby, short press "/" to
display channel and long press "/"
to display the volume level.
The more the number of cells, the
more electricity.
It lit when the unit is in the
intercom mode.
It lit when FM radio receives.
It indicates when the unit is locked.
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Walkie talkies parts description:
Note
No. Name
1 Antenna
2 Decorative frame
3 FM/ LOCK button
4 UP BUTTON
5 DOWN BUTTON
6 POWER BUTTON
7 USB PORT
8 EARPICES JACK
9 Strap buckle
Note
In standby mode, short press to enter/exit
the radio mode, long press to enter the
button to lock/open
In standby mode, short press to enter
channel adjustment mode, long press to
enter volume adjustment mode
In standby mode, short press to enter
channel adjustment mode, long press to
enter volume adjustment mode
Long press to turn on/off the walkie talkie
Charging port/ PC programming
Jack for earpiece/outside PTT button
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