5 DUALWATCH OPERATION

Setting audio volume

Squelch level setting

qPush [DUALWATCH] for 1 sec. to enter the dualwatch op-

qPush [DUALWATCH] for 1 sec. to enter the dualwatch op-

eration, if necessary

 

 

 

eration, if necessary

 

 

 

wPush and hold [SQL], push [Y] or [Z] to adjust the audio

wWhile pushing and holding [SQL], rotate [L-DIAL]for

level for the main band.

 

 

 

upper band’s squelch adjustment, or rotate [R-DIAL]for

• Pushing and holding either key changes the audio level continu-

lower band’s squelch adjustment.

 

 

ously.

 

 

 

• “LEVEL 1” is loose squelch and “LEVEL 9” is tight squelch.

• The display shows the volume level while setting.

 

 

• “AUTO” indicates automatic level adjustment with a noise pulse

 

 

 

 

count system.

 

 

 

 

-DUP TSQL

PS

• “OPEN” indicates continuously open setting.

 

 

 

145 25000 PRIO000

 

 

 

 

 

 

 

 

FM

 

 

[L-DIAL]

 

 

 

 

AFC -DUP TSQL

PS

-DUP TSQL

PS

SQL

438 000

00 PRIO

[R-DIAL]

145 250

00 PRIO

 

000

 

 

000

 

 

 

 

 

FM

 

 

 

FM

 

 

 

 

 

 

 

AFC -DUP TSQL

PS

 

 

 

PS

 

438 000

00 PRIO

 

 

 

SQL

 

000

 

145 250

 

 

 

 

 

000

 

FM

 

 

 

 

 

 

 

 

 

VOL

 

 

 

 

 

 

 

 

 

 

 

 

 

PS

Upper band setting

145.250

 

PS

SQUELCH:AUTO

438 000 000

VOL

Lower band setting

While pushing either [Y] or [Z], rotate [L-DIAL]for upper

band’s volume adjustment, or [R-DIAL]for lower band’s volume adjustment.

Upper band setting

PS

438.000

SQUELCH:LEVEL9

Lower band setting

25

Page 38
Image 38
Icom IC-R20 instruction manual Setting audio volume Squelch level setting, Lower band’s squelch adjustment