Icom IC-R5 Marine Radio User Manual


 
12
4
BASIC OPERATION
New2001
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 [DIAL] to select
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.
Receive mode selection
Receive modes are determined by the physical properties of
the radio signals. The receiver has 3 receive modes: FM, AM
and WFM modes. The mode selection is stored indepen-
dently in each band and memory channels.
Typically, AM mode is used for the AM broadcast stations
(0.4951.620 MHz) and air band (118135.995 MHz), and
WFM is used for FM broadcast stations (76107.9 MHz).
Push [MODESCAN] several times to select the desired re-
ceive mode.
FM SKIPP
AM SKIPP
FM SKIPPW
[MODESCAN]
FM mode
AM mode
WFM mode
[SQL]
[DIAL]
Automatic squelch
Maximum level
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