Selecting If Filters; Functions For Receive - Icom IC-746 Instruction Manual

5

FUNCTIONS FOR RECEIVE

5-11 Selecting IF filters
FILTER CONSTRUCTION
FILTER PROGRAM MODE SETTINGS
F1 F2
Selects 9 MHz band filter
42
9 MHz IF filter
through
FL-272 (2.4 kHz)
(standard)
9 MHz
(optional 1)
9 MHz
(optional 2)
• 9 MHz optional filters
FL-101 (250 Hz)
FL-232 (350 Hz)
FL-100 (500 Hz)
FL-223 (1.9 kHz)
FL-103 (2.8 kHz)
[FILTER]
F3 F4 F5
Selects 455 kHz band filter
Optional filters can be installed in the IF stage of the
IC-746 (p. 78). Both 9 MHz and 455 kHz IF filters are
available. When an optional filter is installed, set the
optional filter setting using filter program mode (see
below). Filters can be independently selected for each
operating mode.
455 kHz IF filter
CFJ455k (2.4 kHz)
(standard)
Mixer
SFPC455G (9 kHz)
(standard)
SFPC-455E (15 kHz)
(standard)
3rd LO
455 kHz
(optional)
• 455 kHz optional filters
FL-53A (250 Hz)
FL-52A (500 Hz)
FL-222 (1.8 kHz)
FL-96 (2.8 kHz)
FL-257 (3.3 kHz)
Push [FILTER] for 2 sec. to select filter program
mode.
Push a mode key to select an operating mode for
the filter setting.
Push [FILTER] to set the filter condition to normal or
narrow.
• "NAR" appears when narrow is selected.
Push [F2]( ) or [F4](
select a 9 MHz filter or a 455 kHz filter, respectively.
Repeat steps to
ing modes, if desired.
Push [MENU] to return to regular operation.
NOTE: See p. 78 for activating the installed optional
filter(s).
NOTE: one 455 kHz
optional filter can be
installed; two 9 MHz
optional filters can be
installed.
) one or more times to
to set filters for other operat-