![background image](http://html.mh-extra.com/html/icom/ic-7200/ic-7200_advanced-instructions_612215070.webp)
5-9
5
FUNCTIONS FOR RECEIVE
■
Activating the Notch filters
This transceiver has auto and manual notch filter
functions.
The auto notch filter automatically attenuates beat
tones, tuning signals, changing frequency, and so on,
even if they are shifting.
The manual notch filter can be set to attenuate a fre-
quency by rotating the
[MNF] control.
Push
➥
ANF
METER
to turn the auto notch filter ON or
OFF.
• “
” appears when the auto notch filter is ON.
• The auto notch filter can be used in the SSB and AM
modes.
Push
➥
MNF
to turn the manual notch filter ON or
OFF.
• “
” appears when the manual notch filter is ON.
• In the SSB or AM modes, either the auto or manual
notch filter can be turned ON. These functions are se-
lected by pushing
ANF
METER
or
MNF
.
• The manual notch filter setting is described on page
D
Auto notch filter
The auto notch filter can be used in SSB and AM
modes.
Push
➥
ANF
METER
to turn the automatic notch filter ON
or OFF.
• “
” appears when the auto notch filter is ON.
Unwanted interference
Desired
signal (AF)
Desired
signal (AF)
Interference frequency
is attenuated
Auto notch OFF
Auto notch ON
Appears
[MNF]
Previous view