ICOM 288800 Manuale Utente
22
5
BASIC OPERATION
■ Monitor function
This function is used to listen to weak signals without disturb-
ing the squelch setting or to open the squelch manually even
when mute functions such as the tone squelch are in use.
ing the squelch setting or to open the squelch manually even
when mute functions such as the tone squelch are in use.
➥ Push and hold [SQL] to monitor the operating frequency.
• The 1st segment of the S-meter blinks.
The [SQL] key can be set to ‘sticky’ operation in set mode.
See page 89 for details.
See page 89 for details.
■ Attenuator function
The attenuator prevents a desired signal from distorting when
very strong signals are near the desired frequency or when
very strong electric fields, such as from a broadcasting station,
are near your location. The attenuator gain is about 10 dB.
very strong signals are near the desired frequency or when
very strong electric fields, such as from a broadcasting station,
are near your location. The attenuator gain is about 10 dB.
q Enter “ATTENUATOR” in set mode. (p. ?88
w Rotate [DIAL]
†
to select “ON” or “OFF.”
e Push [5/SKIP](ï)
(or [4/DUP](
Ω
Ω))
to return to set mode,
and push [MENU/LOCK] to return to frequency indication.
• “ATT” appears on the function display when “ON” is selected.
†
[DIAL]
↔ [2/SCAN](∫
∫)/[8/TS](√
√)
[5/SKIP](ï)
↔ [6/M.N](≈
≈)
A
MemoName
µ
PRIO
PRIO WX
WX EMR
EMR
DTCS
DTCS
FM
FM
LOW
LOW
ATT
ATT
146 010
P SKIP
+DUP
+DUP
25
000
000
[DIAL]
Appears.
MENU screen
➪
SET MODE
➪
ATTENUATOR
(Push [MENU/LOCK]) (Rotate [DIAL]
†
, then push [5/SKIP](ï)
†
.)
A
MemoName
MemoName
µ
PRIO
PRIO WX
WX EMR
EMR
DTCS
DTCS
FM
FM
LOW
LOW
ATT
ATT
ATT
146 010
P SKIP
+DUP
+DUP
25
000
000
The 1st segment blinks