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Icom IC-R20 Manual

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10
SET MODE
DD
AM antenna selection
This setting is activated only for the AM broadcast band,
0.495–1.620 MHz (differ according to version) reception.
• EXT : Use the antenna connected to the antenna con-
nector. (default)
• BAR : Use the internal bar antenna for AM broadcast
band reception.
DD
FM antenna selection
This setting is activated only for the FM broadcast band,
76.000–107.995 MHz (differ according to version), recep-
tion.
• EXT : Use the antenna connected to the antenna
connector. (default)
• EARPHONE: Use the connected earphone’s cable as
the antenna for FM broadcast band recep-
tion.
DD
Key lock effect
While the key lock function is ON, [VOLUME] and [SQL] can
still be accessed. Accessible keys can be set to one of 4
groups.
[POWER] and [•LOCK] are also accessible during the lock,
however, these keys are not effected by this setting.
• NORMAL : [VOLUME] and [SQL] are accessible.
(default)
• NO SQL : [SQL] is accessible.
• NO VOL : [VOLUME] is accessible.
• ALL : No accessible key is available, except
[POWER] and [• LOCK].
LOCK
-NO-SQL
-NORMAL
----------------
LOCK
-NO-SQL
-NORMAL
>NO-VOL
-NO-VOL
-ALL
>ALL
----------------
LOCK
-NO-SQL
>NORMAL
----------------
LOCK
>NO-SQL
-NORMAL
-NO-VOL
-NO-VOL
-ALL
-ALL
----------------
Normal lock condition
Audio output can be adjusted
Squelch level can be adjusted
Receiver power and lock
function only switchable
FM-ANTENNA
-EARPHONE
>EXT
----------------
FM-ANTENNA
>EARPHONE
-EXT
----------------
External antenna Connected earphone cable
AM-ANTENNA
-BAR
>EXT
----------------
AM-ANTENNA
>BAR
-EXT
----------------
External antenna Internal bar antenna
… 66 …


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