18
4
BASIC OPERATION
4
■
Squelch level setting
The squelch circuit mutes the received audio signal depend-
ing on the signal strength. The receiver has 9 squelch levels,
a continuously open setting and an automatic squelch setting.
➥
While pushing and holding
[SQL]
, rotate
[R-DIAL]
to se-
lect the squelch level.
• “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.
■
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 expanded
set mode. See page 54 for details.
√
MODE
ANL
AFC
TSQL
FM
146 010
PSKIP
-DUP
The 1st segment blinks
SQL
SQUELCH:AUTO
√
MODE
ANL
AFC
TSQL
FM
146 010
PSKIP
-DUP
SQUELCH:LEVEL9
√
MODE
ANL
AFC
TSQL
FM
146 010
PSKIP
-DUP
Automatic squelch
Maximum level
[R-DIAL]
SQL
