ICOM 288800 Manuale Utente

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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.
➥ 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.
■ 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.
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
146 010
P SKIP
+DUP
+DUP
25
000
000
The 1st segment blinks