10
4
BASIC OPERATION
■
Setting volume level
The audio level can be adjusted through 32 levels.
➥
Push [VOL
Y
] or [VOL
Z
] to set the desired audio level.
• Beep tone sounds while setting. This indicates the approximate
sound level.
• Pushing and holding these keys change the audio level continu-
ously.
• The frequency display shows the volume level while setting.
■
Setting squelch level
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 [SQL], rotate the
[DIAL] to select the squelch level.
• The first click of [DIAL] indicates the
current squelch level.
• “LEVEL1” is loose squelch and
“LEVEL9” is tight squelch.
• “AUTO” indicates automatic level ad-
justment with a noise pulse count
system.
• “OPEN” indicates continuously open
setting.
■
Monitor function
This function is used to listen to weak signals or to open the
tone squelch manually.
➥
Push and hold [SQL] to monitor the operating frequency.
The [SQL] switch can be set to ‘sticky’ operation in ex-
panded set mode. (p. 27)
AUDIO LEVEL
INDICATION
Min. setting (no audio)
:
Initial setting
:
:
:
Max. setting
Automatic squelch
Maximum level