Icom IC-R20 Two-Way Radio User Manual


 
24
5
DUALWATCH OPERATION
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2
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5
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8
9
10
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Setting audio volume
qPush [DUALWATCH] for 1 sec. to enter the dualwatch op-
eration, if necessary
wPush and hold [SQL], p
ush [
YY
] or [
ZZ
] to adjust the audio
level for the main band.
Pushing and holding either key change the audio level continu-
ously.
• The display shows the volume level while setting.
While pushing either
[
YY
] or [
ZZ
]
, rotate [L-DIAL] for upper
band’s volume adjustment, or [R-DIAL] for lower band’s
volume adjustment.
Squelch level setting
qPush [DUALWATCH] for 1 sec. to enter the dualwatch op-
eration, if necessary
wWhile pushing and holding [SQL], rotate [L-DIAL] for
upper band’ squelch adjustment, or rotate [R-DIAL] for
lower band’s squelch adjustment.
• “LEVEL 1” is loose squelch and “LEVEL 9” is tight squelch.
• “AUTO” indicates automatic level adjustment with a noise pulse
count system.
• “OPEN” indicates continuously open setting.
145 000
433 000
AFC
-DUP
-DUP
FM
TSQL
TSQL
PS
PS
PRIO
PRIO
LSB
000
000
00
00
145 250
438 000
AFC
-DUP
-DUP
FM
TSQL
TSQL
PS
PS
PRIO
PRIO
FM
000
000
00
00
PS
PS
PS
SQUELCH:LEVEL9
438
.
000
SQUELCH:AUTO
PS
145
.
250
[R-DIAL]
[L-DIAL]
SQL
Upper band setting
Lower band setting
145 250
438 000
AFC
-DUP
-DUP
FM
VOL
VOL
TSQL
TSQL
PS
PS
PRIO
PRIO
FM
000
000
00
00
145 250
438 000
PS
PS
000
000
Upper band setting
Lower band setting
SQL