Icom COMMUNICATIONS RECEIVER IC-R3 - Manual (Page 15)

11
4
BASIC OPERATION
■ Setting volume level
The audio level can be adjusted through 32 levels.
➥ Push [ ↕ ] to set the desired audio level.
• Beep tone sounds while setting. This indicates the approximate
sound level. (default behaviour; p. 40)
• Pushing and holding these keys changes the audio level contin-
uously.
• One of the LCDs 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
adjustment with a noise pulse count
system.
• “OPEN” indicates continuously open
setting.
S1 3 5 7 9
VOL
FM
146.100.000
TS 15.0
AUDIO LEVEL
INDICATION
(Sub LCD)
Min. setting (no audio)
:
Initial setting
:
:
:
Max. setting
Volume level
S1 3 5 7 9
VOL
FM
146.100.000
TS 15.0
Automatic squelch
Maximum level
level 5