ICOM 297000 Manuale Utente

24

3

BASIC OPERATION

■ 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].

• Select “OFF” to deactivate the squelch attenuator function.

y Push [BACK](V/MHz•SCAN)

(Right bnd’s)

2 times to exit set

mode.

■ 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 pg. 

??

for

details.

MONI

1

[DUP•MONI]

[F•      ]

[MENU]