10
3
BASIC OPERATION
3
n Lock function
The lock function provides accidental channel changes and 
function access.
➥  Push [Top] (LOCK) for 1 sec. to toggle the lock function 
ON and OFF.
  •    (Call)*
1
, [Side1] (Moni)*
2
 and [PTT] are available while the 
lock function is ON.
  • “   ” appears.
  *
1
 Digital mode operation only.
  *
2
 Analog mode operation only.
n Monitor function
This function is used to listen to weak signals or to open the 
tone squelch manually. (Analog mode operation only)
➥  Push  and  hold  [Side1]  (Moni)  to monitor  the  operating 
channel.
  • “   ” appears.
n All channel mode and  
Select channel mode
The transceiver has 2 indication mode— All channel mode 
and Select channel mode.
Select channel mode provides easy, fast channel selection 
and speeds up the scan interval. Non select channels are not 
displayed while in Select channel mode.
➥  Push [A/S] to toggle All channel mode and Select channel 
mode.
  •  “ALL” or “SELECT” is displayed  for about  1  sec. when All  or 
Select channel mode is selected. After indication, return to the 
standby condition.
All channel mode
Select channel mode