Icom IC-R20 instruction manual Power save, Noise blanker, ANL function, AF filter

: The noise blanker function is turned OFF. (default)

: The noise blanker function is turned ON.

DPower save

The power save function reduces the current drain to con- serve battery power. This power save function can be turned OFF, if desired.

In the default setting (“AUTO” selection), the power save func- tion is activated in 1:4 (125 msec.: 500 msec.) ratio when no sig- nal is received for 5 sec. The ratio becomes 1:8 (125 msec.: 1 sec.) when no signal is received for another 60 sec.

POWER-SAVE	POWER-SAVE
----------------	----------------
>OFF	-OFF
-AUTO	>AUTO
Power save OFF	Power save ON

DNoise blanker

The noise blanker reduces pulse-type noise such as that gen- erated by automobile ignition systems. This function is only effective for SSB/CW modes and not effective for non pulse- type noise.

• OFF

• ON

NOISE BLANKER	NOISE BLANKER
----------------	----------------
>OFF	-OFF
-ON	>ON
Noise blanker is OFF	Noise blanker is ON

SET MODE 10

DANL function

The ANL (Automatic Noise Limitter) function reduces noise components when AM is selected.

• OFF	: The ANL function is turned OFF.
	(default)
• ON	: The ANL function is turned ON.
ANL		ANL
----------------		----------------
>OFF		-OFF
-ON		>ON
ANL function is OFF		ANL function is ON

D AF filter
			10
The AF filter suppresses high-pitch tone when this setting is
ON. This function is not effective for FM mode.
• OFF	: The AF filter is deactivate. (default)
• ON	: The AF filter is activate.
AF-FILTER		AF-FILTER
----------------		----------------
>OFF		-OFF
-ON		>ON
AF filter is OFF		AF filter is ON

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