User's Manual
20
BASIC OPERATIONS
Side key [PF2] function instruction
1. Squelch off: Press [PF2] key, squelch circuit is not mute, back-ground noise can be heard. Press [PF2] 
key again, squelch circuit is mute.
2. Squelch off Momentary: Press and hold [PF2] key, squelch circuit is not mute, back-ground noise can 
be heard. Release [PF2] key, squelch circuit is mute.
3. Transmit DTMF/5TONE signaling: Press and hold [PTT] key, then press [PF2] key to transmit selected 
DTMF/5TONE signaling.
NOTE: The optional signaling of current channel is DTMF or no optional signaling, the operation will transmit 
DTMF signaling, otherwise will transmit 5TONE signaling.
4. Press and hold [PF2] key to turn on transceiver, until transceiver emits “DU” beep, transceiver enter into 
general functions setup.
Edit channel
1. Under frequency mode (VFO), enter desired frequency and settings, press 
 key, the top left corner 
of LCD displays “ 
 ” icon, press   key to switch into channel mode, channel number ashes.
2. Rotate channel switch to select desired editing channel number.
3. Press 
 key, the top left corner of LCD displays “   ” icon, press and hold   key until transceiver 
emits “DUDU” beep, channel is stored successfully.










