User manual
SHORTCUT OPERATIONS
Keypad lock
Keypad lock operation can be done by software programming or radio keypad.
1) Radio keypad operation
Press 
 key, the top left corner of LCD displays "     " icon, then press and hold 
 key until transceiver emits "DU" beep, LCD displays 
"
locked. Repeat above operation, " " icon disappears,
keypad is unlocked.
2) Software Programming
ON: Keypad lock option tick on.
OFF: Keypad lock option tick off.
Note:  When  keypad  lock  is  turned  on  by  software  programming,  the keypad  lock  operation  is invalid. 
displays "EMPTY".
When current group displays "
3. 
EMPTY", press   key, the top left corner of LCD 
displays  "     "  icon, press  and  hold   key  until  transceiver  emits  "DU" 
beep,  transceiver  enters  into  DTMF  edit  state,  LCD  displays  "___________", 
now you can enter desired DTMF data by keypad.
When finished editing, press side key [PF2] to save DTMF signaling.
4. 
" icon, keypad is 
Press 
1. 
 key, the LCD displays "   " icon, then press 
key, the LCD
displays DTMF data and group number (total 16groups) of current group.
Rotate channel switch to choose desired group and DTMF data, press PTT key 
2. 
to transmit selected DTMF signaling. If current group not edit DTMF data, LCD 
DTMF code Transmit and Enquiry
20
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