Sub Band Mute/Busy Beep; Monitor Function - Icom IC-2820H Instruction Manual

■ Sub band mute/busy beep

The sub band mute function automatically cuts out sub band
audio signals when both main and sub band signals are re-
ceived simultaneously.
While operating on the main band, a beep sounds to inform
you that a signal was received on the sub band.
q Push [F•
] to display the function guide.
wPush [MENU](V/MHz•SCAN)
screen.
eRotate
[DIAL] to select
[MAIN•BAND].
rRotate [DIAL] to select "SUB BAND MUTE" or "SUB
BAND BEEP" then push [MAIN•BAND].
tRotate [DIAL] to turn the sub band mute or sub band beep
function ON and OFF then push [MAIN•BAND].
y Push [BACK](V/MHz•SCAN)
mode.
u When a signal is received on MAIN band, "
pears as below.
Appears when a signal is received on MAIN band.
to enter MENU
(Right band's)
"SOUNDS" then push
twice to exit set
(Right band's)
" ap-

■ Monitor function

This function is used to listen to weak signals without disturb-
ing the squelch setting.
[DUP•MONI]
➥ After pushing [MAIN•BAND]
for 1 sec. to open the squelch.
• "BUSY" blinks.
• Push [DUP•MONI] again to cancel the function.
➥ Push [
1(BANK)] to open the squelch.
MONI
MONI • Push [BAND] to select the desired band (left or right)
1
as the main band in advance.
• Push [ 1(BANK)] again to cancel the function.
MONI
NOTE: When the [SQL] adjustment is set too far clock-
wise, (12–5 o'clock position) the squelch attenuator is acti-
vated. To monitor weak signals on the operating frequency,
deactivate the squelch attenuator function. See page 22
for details.
BASIC OPERATION
push and hold [DUP•MONI]
,
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