![background image](http://html.mh-extra.com/html/icom/ic-2820h/ic-2820h_instruction-manual_612069045.webp)
24
3
BASIC OPERATION
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
■
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.
w
Push [MENU](V/MHz•SCAN)
(Right band’s)
to enter MENU
screen.
e
Rotate [DIAL]
to select “SOUNDS” then push
[MAIN•BAND].
r
Rotate [DIAL] to select “SUB BAND MUTE” or “SUB
BAND BEEP” then push [MAIN•BAND].
t
Rotate [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)
(Right band’s)
twice to exit set
mode.
u
When a signal is received on MAIN band, “
” ap-
pears as below.
■
Monitor function
This function is used to listen to weak signals without disturb-
ing the squelch setting.
➥
After pushing [MAIN•BAND]
,
push and hold [DUP•MONI]
for 1 sec. to open the squelch.
• “BUSY” blinks.
• Push [DUP•MONI] again to cancel the function.
➥
Push [
MONI
1(BANK)] to open the squelch.
• Push [BAND] to select the desired band (left or right)
as the main band in advance.
• Push [
MONI
1(BANK)] again to cancel the function.
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.
MONI
1
[DUP•MONI]
Appears when a signal is received on MAIN band.
Summary of Contents for IC-2820H
Page 160: ...139 MEMO ...
Page 161: ...140 MEMO ...
Page 162: ...141 MEMO ...
Page 163: ...142 MEMO ...