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FILTER
5-14
5
FUNCTIONS FOR RECEIVE
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
■
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
passband 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 [BW]
F-1
, then rotate the main dial to set
the desired passband width.
Then push [BW]
F-1
again.
• Hold down [DEF]
F-4
for 1 second to select the default
value.
• While holding down [BW]
F-1
, rotating the main dial
also adjusts the desired passband width.
t
If desired, repeat steps
w
to
r
.
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.
Blinks