4
BASIC OPERATION
10
■ Lock function
This function electronically locks all keys (except for [PTT],
[SQL•
MONI] and [Hi/Lo• ]) to prevent accidental channel
changes and function access.
➥ Push [Hi/Lo•
] for 1 sec. to turn the lock function ON
and OFF.
■ Signal strength indicator
The received signal strength level is indicated by number of
bars as below.
• Only the antenna mark appears when receiving no signal or a very
weak signal when the signal strength indicator is set to ON in the
SET mode (p. 14).
• This indicator can be hidden by using the SET mode (p. 14) if de-
sired.
■ Monitor function
The monitor function releases the noise squelch mute to
check the volume level. See p. 12 for details of the monitor
switch action.
➥ Push [SQL•MONI] for 1 sec. and keep holding to activate
the monitor function.
• “ ” appears and audio is emitted.
■ Backlit function
This function is convenient for night time operation. The
backlit brightness can be adjusted in the SET mode. (p. 12)
➥ Push any key except for [PTT] to turn the backlit ON.
• “
” appears and audio is emitted. The backlit is automatically
turned OFF after 5 sec. of inactivity.
Indication
Strong Middle Weak
No signal or
Very weak
Signal
strength
Appears while the lock
function is used.
Push
for 1 sec.
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