Filter
Top Products
4
BASIC OPERATION
8
‘‘
Power ON
➥ Push [POWER] for 1sec. to turn the
power ON.
• The power on indicator and oper-
ating channel number appear on
the display.
‘‘
Adjusting the volume
q Push and hold [MODE] for
1sec. to open the squelch.
• Busy indicator appears on
the display while the squelch is
open.
w Adjust the audio to a suitable level
using [
VOL].
e Push and hold [MODE] for 1sec. to
close the squelch.
✔ What is squelch?
A squelch circuit allows you to mute undesired noise while re-
ceiving no signal and emit audio while receiving signals.
This provides quiet standby. The [
MODE] key changes the
squelch setting. This is useful to listen to weak signals that do
not open the squelch.
w
e
q
UP
DOWN
M
O
D
E
P
O
W
E
R
Busy indicator
appears.
UP
DOWN
M
O
D
E
P
O
W
E
R
IC-4008E-2 02.3.23 3:26 PM Page 13 (1,1)