Icom IC-RSOOCOL Instruction Manual page 40

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Mm / FUNCTIONS RECEIVING
7-1 IF SHIFT IF shift is a system designed to electronically shift the
Passband of frequencies that pass through the crystal
(IF SHIFT] filter,
IF shift is used to reduce interference from adjacent fre-
quency signals.
eRotate the [IF SHIFT] control either clockwise or
counterclockwise to eliminate interference.
NOTE: IF shift does not function in FM and WEM
modes.
a
1F SHIFT
Unwanted \ _ _ Desired Unwanted _, \__ Desired
signal signal
7-2 NOTCH FILTER The notch filter attenuates a particular frequency in the IF
passband, such as that of an interference beat signal.
[NOTCH] switch 1) Push the [NOTCH] switch.
2) Rotate the [NOTCH] control to minimize interference.