Operation Manual

4
RECEIVING AND TRANSMITTING
4-6
Selecting the IF lter
The transceiver has 3 IF lter passband widths for each
mode, and you can select them on the FILTER screen.
You can set the IF lter 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 lter to FIL2 or FIL3 in the FM
mode, the transceiver will transmit in the FM narrow mode.
Mode IF lter 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
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 10.0kH (200 Hz)FIL 2 (6.0 kHz)
FIL 3 (3.0 kHz)
FM
FM-D
FIL 1 (15 kHz)
FixedFIL 2 (10 kHz)
FIL 3 (7.0 kHz)
Selecting the IF lter shape
You can independently set the DSP lter 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