11
■
Power ON
➥
Hold down
[ ]
for 1 second to turn the power ON or
OFF.
• For only IC-U80/IC-U80E:
The voltage of the battery is displayed at power ON.
This display can be turned ON or OFF in the Initial Set
mode. (p. 44)
■
Adjusting the audio level
➥
Rotate
[VOL]
to adjust the audio level.
• The display shows the audio level while adjusting.
•
If the squelch is closed, hold down
[MONI]
while adjust-
ing the audio level.
■
Adjusting the squelch level
➥
While holding down
[MONI]
, push
[
Y
]
or
[
Z
]
several
times to adjust the squelch level.
•
“SqL 1” is loose squelch (for weak signals) and “SqL10”
is tight squelch (for strong signals). “SqL 0” is open
squelch.
■
Monitor function
This function is used to listen to weak signals, or to
manually open the squelch. You can use it without dis-
turbing the squelch setting, even when mute functions
such as the tone squelch are in use.
➥
Hold down
[MONI]
to open the squelch.
•
Release
[MONI]
to cancel the function.
Blinks
[VOL]
BASIC OPERATION
4