Icom IC-7800 User Manual

■ IF filter selection
The transceiver has 3 passband width IF filters for
each mode.
For SSB, CW and PSK modes, the passband width
can be set within 50 to 3600 Hz in 50 or 100 Hz steps.
A total of 41 passband widths are available.
For RTTY mode, the passband width can be set within
50 to 2700 Hz in 50 or 100 Hz steps. A total of 32
passband widths are available.
For AM mode, the passband width can be set within
200 Hz to 10 kHz in 200 Hz steps. A total of 50 pass-
band widths are available.
For FM mode, the passband width is fixed and 3 pass-
band widths are available.
D IF filter selection
q Select the desired mode.
w Push [FILTER] several times to select the IF filter 1,
2 or 3.
 •Theselectedpassbandwidthandfilternumberisdis-
played in the LCD.
D Filter passband width setting (except FM mode)
q Hold down [FILTER] for 1 second to enter filter set
screen.
w Select any mode except FM.
 •PassbandwidthsforFMmodesarefixed,andcannotbe
adjusted.
e Push [FILTER] several times to select the desired
IF filter.
rPush[F-1•BW],thenrotatethemaindialtoadjust
thedesiredpassbandwidth.Thenpush[F-1•BW]
again.
 •Whileholdingdown[F-1•BW],rotatingthemaindialalso
adjusts the passband width. After adjustment, release
[F-1•BW]toset.
t If desired, repeat steps w to r.
 •Holddown[F-4•DEF]for1secondtoselectthedefault
value.
y Push [EXIT/SET] to exit filter set screen.
The PBT shift frequencies are cleared when the
passband width is changed.
This filter set screen graphically displays the PBT
shift frequencies and CW pitch operations.
5-14
5
FUNCTIONS FOR RECEIVE
[FILTER] for main [FILTER] for sub
Mode IF filter Adjustable range (steps)
SSB
FIL1 (3.0 kHz)
50 to 500 Hz (50 Hz)
600 Hz to 3.6 kHz (100 Hz)
FIL2 (2.4 kHz)
FIL3 (1.8 kHz)
SSB-D
CW
PSK
FIL1 (1.2 kHz)
50 to 500 Hz (50 Hz)
600 Hz to 3.6 kHz (100 Hz)
FIL2 (500 Hz)
FIL3 (250 Hz)
RTTY
FIL1 (2.4 kHz)
50 to 500 Hz (50 Hz)
600 Hz to 2.7 kHz (100 Hz)
FIL2 (500 Hz)
FIL3 (250 Hz)
AM
AM-D
FIL1 (9.0 kHz)
200 Hz to 10 kHz (200 Hz)
FIL2 (6.0 kHz)
FIL3 (3.0 kHz)
FM
FM-D
FIL1 (15 kHz)
Fixed
FIL2 (10 kHz)
FIL3 (7.0 kHz)
The filter selection is automatically memorized in
each mode.
The PBT shift frequencies are automatically memo-
rized in each filter.
•Duringthepassbandwidthsetting
Blinks

Icom IC-7800 Specifications

General

Brand	Icom
Model	IC-7800
Category	Transceiver
Language	English