Icom IC-7410 - Board Layouts; Display and Main Unit Board Layouts

57
5
FUNCTIONS FOR RECEIVE
N)&lLTER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)&lLTERSELECTION
q Select the desired mode.
w Push [FILTER] one or more times to select IF filter
1, 2 or 3.
s4HESELECTEDPASSBANDWIDTHANDlLTERNUMBERISDIS-
played on the LCD.
D&ILTERPASSBANDWIDTHSETTING
(-ODE33"#72449!-
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.
 s0ASSBANDWIDTHSFORTHE&-MODEISlXED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.
s7HILE HOLDING DOWN ;"7=& ROTATING ;$)!,= ALSO
adjusts the passband width. After adjustment, release
[BW](F-1) to set it.
 s(OLDDOWN;&=FOR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.
-ODE )&lLTER !DJUSTABLERANGESTEPS
SSB
FILTER1 (3.0 kHz)
50 to 500 Hz (50 Hz)
600 to 3600 Hz (100 Hz)
FILTER2 (2.4 kHz)
FILTER3 (1.8 kHz)
SSB-D
CW
FILTER1 (1.2 kHz)
50 to 500 Hz (50 Hz)
600 to 3600 Hz (100 Hz)
FILTER2 (500 Hz)
FILTER3 (250 Hz)
RTTY
FILTER1 (2.4 kHz)
50 to 500 Hz (50 Hz)
600 to 2700 Hz (100 Hz)
FILTER2 (500 Hz)
FILTER3 (250 Hz)
AM
AM-D
FILTER1 (9.0 kHz)
200 Hz to 10 kHz (200 Hz)
FILTER2 (6.0 kHz)
FILTER3 (3.0 kHz)
FM
FM-D
FILTER1 (15 kHz)
Fixed
FILTER2 (10 kHz)*
FILTER3 (7.0 kHz)*
* When FILTER2 or FILTER3 is selected in the FM mode, the
TX IF filter’s passband width is fixed to the narrow selection
(2.5 kHz).
Push [BW](F-1), then rotate [DIAL] to adjust the
passband width. Then push [BW](F-1),
BW
SSB-2 2.4K
SHARP
FIL
S
0
B
2.4K
BW
SSB-2 2.4K
SHARP
FIL
S
0
B
2.4K
s“FIL” SCREENDISPLAY
s7HILEADJUSTINGTHEPASSBANDWIDTH
AppearsBlinks
Reverses
Shows the selected filter and passband width.
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.
[FILTER][BW] [F-3] [DIAL]
The selected filter width is displayed
when [FILTER] is pushed.
Filter selection
AGC TBW SCP
M1
S
0
B
2.4K