Description Of Key - Retevis RT72 User Manual

2. Description of Key

Switch between transmission and reception; when
[PTT]
transmitting, press this key and speak to the
Transmit key
microphone; release the key to receive.
Short press is the monitor function (only analog
channels are supported). Switch to the monitor
squelch mode when this key is pressed, and return
to the receive squelch mode when the key is
Side key SK1
pressed again.
Long press for the power switch, select the high and
low power.
Short press this key to quickly switch between the
upper and lower screens and switch between the A
Side key SK2
screen and the B screen.
Long press this key to enter the digital contact.
Short press this key to end the emergency alarm
Top key
mode.
*Default is
Press and hold this key to activate the emergency
the alarm key
alarm mode to quickly establish an emergency call.
Default: 0~9
[0~9] code words in DTMF function
Select punctuation marks or letters in Pinyin input
0-9 number
method.
keys
If numeric shortcut function is set, you can press
and hold this key to jump to the corresponding
contact.
Press it to activate the menu mode, enter the menu
and press this key to select menu items.
[MENU] key
Press and hold it to enter the radio settings.
Channel mode, changing the channel backwards.
[ ] key
Move left in SMS editing interface.
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Channel mode, changing the channel forward.
[ ]key
Move right in SMS editing interface.
In standby mode, short press to switch between
dual-segment single-standby or dual-segment
dual-standby mode.
[Exit]/[Clear]
Clear the entered information in input state.
key
Press and hold this key to switch channel mode or
frequency mode.
Press and hold this key to lock on / off keyboard
[*]key
Code word * in DTMF function
[#]key
Switch the input method in input method interface.
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