![background image](http://html.mh-extra.com/html/icom/ic-7850/ic-7850_instruction-manual_612352025.webp)
1-9
1
PANEL DESCRIPTION
%6
NOTCH KEY [NOTCH]
Push to select the Notch function between auto,
➥
manual, or OFF in the SSB or AM mode.
Push to turn the Manual notch function ON or
➥
OFF in the CW, RTTY, or PSK mode.
Push to turn the Auto notch function ON or OFF
➥
in the FM mode.
• “
MN
” is displayed when the Manual notch filter is in
use.
• “
AN
” is displayed when the Auto notch filter is in
use.
Hold down for 1 second to select the Manual
➥
notch width from wide, mid, or narrow.
✔
What is the Notch function?
The notch function eliminates unwanted CW or AM
carrier tones while preserving the desired voice signal.
The DSP circuit automatically adjusts the filtering fre-
quency to effectively eliminate unwanted tones.
%7
AUDIO PEAK FILTER/TWIN PEAK FILTER KEY
[APF/TPF]
Push to turn the Audio peak filter ON or OFF.
➥
• “
APF
” appears when audio peak filter is in use.
Hold down for 1 second to select the APF pass-
➥
band width from WIDE, MID, or NAR or from 320,
160, or 80 Hz, depending on the APF type set-
ting.
During RTTY mode operation
Push to turn the Twin peak filter ON or OFF.
➥
• “
TPF
” appears when twin peak filter is in use.
%8
PBT CLEAR KEY [PBT CLEAR]
Hold down for 1 second to clear the PBT settings.
• The [PBT CLEAR] indicator above this key lights when
the PBT function is in use.
%9
FILTER KEY [FILTER]
Push to select one of three IF filter settings.
➥
Hold down for 1 second to enter the Filter
➥
screen.
^0
MEMORY WRITE KEY [MW]
Hold down for 1 second to store the selected fre-
quency and operating mode into the displayed
memory channel.
• This function is usable in both the VFO and memory
modes.
^1
KEYPAD
Push to select the operating band.
➥
• Push [GENE] to select the general coverage band.
Push the same key 2 or 3 times to call up other
➥
stacked frequencies in the band.
• Icom’s triple band stacking register memorizes 3 fre
-
quencies in each band.
After pushing [F-INP], push to enter a frequency
➥
or memory channel. Pushing [ENT] or [
p
]/[
q
] to
• Example: To enter 14.195 MHz, push [F-INP] [1] [4]
[•] [1] [9] [5] [ENT].
^2
VFO/MEMORY KEY [V/M]
Push to toggle the selected operating mode be-
➥
Hold down for 1 second to copy the memory con-
➥
tents to the VFO.
^3
MEMO PAD-WRITE KEY [MP-W]
Enters the selected frequency and operating mode
into a memo pad.
• The five most recent entries remain in the memo pads.
• The number of memo pads can be expanded from 5 to
10 in the Others set screen.
^4
MEMO PAD-READ KEY [MP-R]
Push to call up a frequency and operating mode
➥
in a memo pad.
The 5 (or 10) most recently entered frequencies
and operating modes can be recalled, starting
from the most recent.
• The number of memo pads can be expanded from 5
Hold down for 1 second to enter the Memo pad
➥
list screen.