Filter Setting - Icom IC-78 Instruction Manual

4
OPERATION

Filter setting

When an optional filter is installed, set the optional fil-
ters in initial set mode . Optional filters are not se-
lected by default. (p. 33)
D Optional filter setting
q While pushing and holding [SET], push [PWR] to
enter initial set mode .
w Push [UP Y] or [Z DN] several times until "FIL" ap-
pears on the display.
e Rotate the channel selector to select the installed
filter.
• "no," "52A," "53A," "96," "222" and "257" indicate no op-
tional filter, FL-52A, FL-53A, FL-96, FL-222 and
FL-257, respectively for 455 kHz IF filter selection.
r Push [PWR] for 1 sec. to exit initial set mode .
D Expanded filter selection
The selectable filter combinations can be expanded
by setting the expanded filter selection to ON. Then
extra wide or narrow filter can be selected on desired
mode.
q While pushing and holding [SET], push [PWR] to
enter initial set mode .
w Push [UP Y] or [Z DN] several times until "EXP
FIL" appears.
e Rotate the channel selector to turn the expanded
filter selection 'on'.
• If 'on' is selected, the expanded filter selection can be
used.
• Wide/narrow filter selection
r Push [UP Y] several times until
"WIDE " or "NAR
on the display.
t Push [MODE] several times to se-
lect the desired mode.
y Rotate the channel selector to se-
lect a filter.
u Repeat steps t and y to select
IF filters for other modes, if de-
sired.
• The filter combinations are stored
depending on operating modes.
i Push [PWR] for 1 sec. to exit ini-
tial set mode .
22
• Wide filter setting table
" appears
no
no
SSB
THU (6 kHz) THU (6 kHz) THU (6 kHz) THU (6 kHz) THU (6 kHz) THU (6 kHz)
no
CW
THU (6 kHz) THU (6 kHz) THU (6 kHz) THU (6 kHz) THU (6 kHz) THU (6 kHz)
no
RTTY
THU (6 kHz) THU (6 kHz) THU (6 kHz) THU (6 kHz) THU (6 kHz) THU (6 kHz)
—
AM
• Narrow filter setting table
no
—
SSB
—
CW
—
RTTY
NOR (2.4 kHz) NOR (2.4 kHz) NOR (2.4 kHz) NOR (2.4 kHz) NOR (2.4 kHz) NOR (2.4 kHz)
AM
FL-52A FL-53A FL-96
no no 96 (2.8 kHz)
no no 96 (2.8 kHz)
no no 96 (2.8 kHz)
— —
FL-52A FL-53A FL-96
no no
52A (500 Hz) 53A (250 Hz)
52A (500 Hz) 53A (250 Hz)
52A (500 Hz) 53A (250 Hz)
52A (500 Hz) 53A (250 Hz) 96 (2.8 kHz) 222 (1.8 kHz) 257 (3.3 kHz)
FL-222 FL-257
no 257 (3.3 kHz)
no 257 (3.3 kHz)
no 257 (3.3 kHz)
— — —
: default
FL-222 FL-257
— 222 (1.8 kHz) —
— 222 (1.8 kHz) —
— 222 (1.8 kHz) —
: default