If Filter Selection; D If Filter Selection; D Filter Passband Width Setting - Icom IC-i7410 Instruction Manual

5
FUNCTIONS FOR RECEIVE

■ IF filter selection

The transceiver has 3 passband width IF filters for
each mode.
The filter selection is automatically memorized in
each mode.
The PBT shift frequencies are automatically memo-
rized in each filter.

D IF filter selection

q Select the desired mode.
w Push [FILTER] one or more times to select IF filter
1, 2 or 3.
• The selected passband width and filter number is dis-
played on the LCD.

D Filter passband width setting

(Mode: SSB/CW/RTTY/AM)
q Hold down [FILTER] for 1 second to display the "FIL"
screen (Filter) to set the filter passband width.
w Select either the SSB, CW, RTTY or AM mode.
• Passband widths for the FM mode is fixed and cannot
be set.
e Push [FILTER] one or more times to select IF filter
1, 2 or 3.
r Push [BW](F-1), then rotate [DIAL] to adjust the de-
sired passband width. Then push [BW](F-1) to set it.
• While holding down [BW](F-1), rotating [DIAL] also
adjusts the passband width. After adjustment, release
[BW](F-1) to set it.
• Hold down [F-3] for 1 second to reset to the default set-
ting, if desired.
t Repeat steps w to r if desired.
y Push [MENU] to save, and exit the "FIL" screen.
Mode IF filter
FILTER1 (3.0 kHz)
SSB FILTER2 (2.4 kHz)
FILTER3 (1.8 kHz)
FILTER1 (1.2 kHz)
SSB-D
FILTER2 (500 Hz)
CW
FILTER3 (250 Hz)
FILTER1 (2.4 kHz)
RTTY FILTER2 (500 Hz)
FILTER3 (250 Hz)
FILTER1 (9.0 kHz)
AM
FILTER2 (6.0 kHz)
AM-D
FILTER3 (3.0 kHz)
FILTER1 (15 kHz)
FM
FILTER2 (10 kHz)*
FM-D
FILTER3 (7.0 kHz)*
* When FILTER2 or FILTER3 is selected in the FM mode, the
TX modulation changes to the narrow mode (2.5 kHz).
57
Adjustable range (steps)
50 to 500 Hz (50 Hz)
600 to 3600 Hz (100 Hz)
50 to 500 Hz (50 Hz)
600 to 3600 Hz (100 Hz)
50 to 500 Hz (50 Hz)
600 to 2700 Hz (100 Hz)
200 Hz to 10 kHz (200 Hz)
Fixed
[BW] [F-3] [FILTER]
Filter selection
2 . 4 K
M1 B S
A G C
The selected filter width is displayed
when [FILTER] is pushed.
• "FIL" screen display
FIL B 2 . 4 K S
B W
Shows the selected filter and passband width.
• While adjusting the passband width
Blinks
FIL B 2 . 4 K S
B W
Reverses
Push [BW](F-1), then rotate [DIAL] to adjust the
passband width. Then push [BW](F-1),
The PBT shift frequencies are cleared when the
passband width is changed.
This "FIL" screen (Filter) graphically displays the
PBT shift frequencies and passband width.
[DIAL]
0
T B W S C P
S S B - 2 2 . 4 K
0
S H A R P
Appears
S S B - 2 2 . 4 K
0
S H A R P