I Monitor Function; I Attenuator Function - Icom IC-91A Instruction Manual

5
BASIC OPERATION

I 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.
22
+DUP +DUP DTCS DTCS
FM FM PRIO PRIO WX WX EMR EMR
146 010
25
A
MemoName MemoName
P SKIP
µ 000 000
LOW LOW
ATT ATT
The 1st segment blinks

I 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
➪
MENU screen SET MODE
(Push [MENU/LOCK]) (Rotate [DIAL]
w Rotate [DIAL]
†
to select "ON" or "OFF."
e Push [5/SKIP](ï)
(or [4/DUP](Ω Ω ))
and push [MENU/LOCK] to return to frequency indication.
• "ATT" appears on the function display when "ON" is selected.
[DIAL]
[DIAL] ↔ [2/SCAN](∫ ∫ )/[8/TS](√ √ )
†
➪
ATTENUATOR
† †
, then push [5/SKIP](ï) .)
to return to set mode,
+DUP +DUP DTCS DTCS
FM FM PRIO WX PRIO WX EMR EMR
146 010
25
A
MemoName
P SKIP
µ 000 000
LOW LOW
ATT ATT
Appears.
[5/SKIP](ï) ↔ [6/M.N](≈ ≈ )