ICOM 301500 사용자 설명서

51

5

FUNCTIONS FOR RECEIVE

N Notch function

This transceiver has auto and manual notch func-
tions.
The auto notch function automatically attenuates 
beat tones, tuning signals, changing frequency, etc., 
even if they are moving.
The manual notch can be set to attenuate a fre-
quency via the [MNF] control.

±  Push 

 to turn the auto notch function ON or 

OFF.

 • 

“

” appears when the auto notch function is ON.

 • 

 

The auto notch function is available while in SSB or 
AM mode.

±  Push 

 to turn the manual notch function ON 

or OFF.

 • 

 

“

” appears when the manual notch function is 

ON.

 • 

 

While in SSB or AM mode, either the auto or manual 
notch function can be turned ON. The function that is 
turned ON later becomes effective.

 • 

 

Manual notch filter setting is described on the next 
page.

D Auto notch function

The auto notch can be used in SSB and AM modes.

±  Push 

 to turn the automatic notch function 

ON or OFF.

 • 

“

” appears when the auto notch function is ON.

Unwanted interference

Desired 
signal (AF)

Desired 
signal (AF)

Interference frequency
is attenuated

Auto notch OFF

Auto notch ON

Appears

D Manual notch function

±  Push 

 to turn the manual notch function ON 

or OFF.

 • 

 

“

” appears when the manual notch function is 

ON.

 • 

 

Set to attenuate a frequency for manual notch via the 
[MNF] control.

 • 

 

Set the frequency for manual notch filtering via the 
manual notch filter set mode. (described on the next 
page)

Appears