Icom IC-7800 Instruction Manual page 19

^6 NOTCH SWITCH [NOTCH] (for SUB band; p. 5-20)
^7 NOTCH SWITCH [NOTCH] (for MAIN band; p. 5-20)
➥ Switches the notch function between auto, man-
ual or OFF in SSB and AM modes.
➥ Turns the manual notch function ON or OFF
when pushed in CW, RTTY and PSK31 mode.
➥ Turns the auto notch function ON or OFF when
pushed in FM mode.
• "
" appears when auto notch is in use.
• "
" appears when manual notch is in use.
➥ Switches the manual notch characteristics from
wide, middle or narrow when held down for 1
second.
✔ 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 frequency to effec-
tively eliminate unwanted tones.
^8 DUALWATCH SWITCH [DUALWATCH] (p. 5-17)
➥ Turns the dualwatch function ON or OFF when
pushed.
➥ Turns the dualwatch function ON, and equalizes
the main/sub readout frequency to the sub/main
readout when held down for 1 second.
alwatch function)
• The quick dualwatch function can be turned OFF
using set mode. (p. 12-15)
^9 SPLIT SWITCH [SPLIT] (p. 6-6)
➥ Push to turn ON or OFF the split function.
➥ Hold down for 1 second to turn the split function
ON and equalizes the sub readout frequency to
the main readout in non-FM modes, and then
sets the sub readout for frequency input mode.
(Quick split function)
• In the FM mode, the sub readout frequency is shifted
the preset frequency offset from the main readout
frequency. (pp. 12-15, 12-16)
• The quick split function can be turned OFF using set
mode. (p. 12-15)
➥ After inputting a frequency offset, push to turn
the split function ON, and the sub readout fre-
quency is shifted the amount of frequency from
the main readout frequency.
&0 MAIN BAND ACCESS SWITCH [MAIN]
Selects the main readout.
• The main readout frequency is clearly displayed. The
sub readout functions only during split operation or du-
alwatch.
&1 MAIN/SUB EQUALIZING SWITCH [M=S]
Hold down for 1 second to equalize the sub readout
frequency to the main readout frequency.
&2 AUTOMATIC TUNING SWITCH [AUTO TUNE]
(for MAIN band)
&3 AUTOMATIC TUNING SWITCH [AUTO TUNE]
(for SUB band)
Turns the automatic tuning function ON or OFF in
CW and AM modes.
IMPORTANT!
When receiving a weak signal, or receiving a signal
with interference, the automatic tuning function may
tune the receiver to an undesired signal.
&4 MAIN DIAL
Changes the displayed frequency (main band), se-
lects set mode setting, etc.
&5 MAIN/SUB CHANGE SWITCH [CHANGE]
Switches the frequency and selected memory chan-
nel between main and sub readouts when pushed.
• Switches between transmit frequency and receive fre-
quency when the split frequency function is ON. (p. 6-6)
&6 LOCK SWITCH [LOCK] (for MAIN band; p. 5-19)
&7 LOCK SWITCH [LOCK] (for SUB band; p. 5-19)
Push to switch the dial lock function ON or OFF.
&8 SUB BAND ACCESS SWITCH [SUB]
(Quick du-
Selects the sub readout.
• The sub readout frequency is clearly displayed. The
main readout functions only during split operation or du-
alwatch.
&9 SUB DIAL
Changes the displayed frequency in sub band.
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PANEL DESCRIPTION
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