4
RECEIVING AND TRANSMITTING
4-6
Selecting the IF filter
The transceiver has 3 IF filter passband widths for each
mode, and you can select them on the FILTER screen.
You can set the IF filter to wide (FIL 1), mid (FIL 2) or
narrow (FIL 3).
1. Select the operating mode.
(Example: USB)
2. Touch the filter icon for 1 second.
•Opens the FILTER (SSB) screen.
3. Touch the filter icon more times to select FIL 1
(wide), FIL 2 (mid) or FIL 3 (narrow).
4. Touch [BW].
•Selects the passband width mode.
L
When you change the passband width, the Twin PBT
setting value is reset to the center position.
5. Rotate
MAIN DIAL
to adjust the passband width.
L
You cannot change the passband width in the FM or
FM-D mode.
FILTER (SSB) screen (when FIL 2 is selected)
Passband width mode
Touch [DEF]
for 1 second to
reset to default.
Displayed when a band width less than 500 Hz
is selected in the SSB or CW mode.
6. Touch [BW].
•Cancels the passband width mode.
7. Repeat steps 2 to 6 to set the passband width for
other modes except for the FM and FM-D.
8. To close the FILTER screen, push
EXIT
.
TIP
: When you set the IF filter to FIL2 or FIL3 in the FM
mode, the transceiver will transmit in the FM narrow mode.
Mode
IF filter
Selectable range (steps)
SSB
FIL 1
(
3.0 kHz
)
50Hz to 500Hz (50 Hz)/
600Hz to 3.6kHz (100 Hz)
FIL 2
(
2.4 kHz
)
FIL 3
(
1.8 kHz
)
SSB-D
FIL 1
(
3.0 kHz
)
50Hz to 500Hz (50 Hz)/
600Hz to 3.6kHz (100 Hz)
FIL 2
(
1.2 kHz
)
FIL 3
(
500 Hz
)
CW
FIL 1
(
1.2 kHz
)
50Hz to 500Hz (50 Hz)/
600Hz to 3.6kHz (100 Hz)
FIL 2
(
500 Hz
)
FIL 3
(
250 Hz
)
RTTY
FIL 1
(
2.4 kHz
)
50Hz to 500Hz (50 Hz)
600Hz to 2.7kHz (100 Hz)
FIL 2
(
500 Hz
)
FIL 3
(
250 Hz
)
AM
AM-D
FIL 1
(
9.0 kHz
)
200Hz to 10.0kHz (200 Hz)
FIL 2
(
6.0 kHz
)
FIL 3
(
3.0 kHz
)
FM
FM-D
FIL 1
(
15 kHz
)
Fixed
FIL 2
(
10 kHz
)
FIL 3
(
7.0 kHz
)
Selecting the IF filter shape
You can independently set the DSP filter shape for
operating modes to soft or sharp.
1. Set the operating mode to SSB, SSB-D or CW.
(Example: USB)
2. Touch the filter icon for 1 second.
•Opens the FILTER screen.
3. Touch the filter icon several times to select FIL1
(wide), FIL2 (mid) or FIL3 (narrow).
4.
Touch [SHARP] or [SOFT].
5. To close the FILTER screen, push
EXIT
.
When [SOFT] is selected
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