Retevis RB20 Manuel D'utilisation page 5

Installing headset
Open the cover on the side of the radio to show the headset sockets. Your headset will work immediately after
being plugged in.
Getting to know the radio
Antenna
Indicator light
Red for emission, Green for
reception, flashing Green for
no signal
Speaker
1.77 inch diaplsy
Left Keypad
3
Power ON/OFF switch,
Volume UP/DOWN
MIC
Menu keypad
Right Keypad