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95
OPTION INSTALLATION
12
■
FL-430/FL-431
1
st
if
filter
installation
The optional filters, FL-430
1st
if
filter
(6
k
h
z
)
or FL-
431
1st
if
filter
(3
k
h
z
)
provides 6 or 3 kHz filtering to
reduce interference from strong nearby signals.
q
Remove the top and bottom covers as shown on
page 94.
w
Install the FL-430 or FL-431 as shown to the right.
• The connectors on the IC-7410 are marked for the ap
-
propriate filter.
• Ensure the FL-430 or FL-431 is installed correctly.
e
Return the top and bottom covers to the original po-
sitions.
After installation, a 6 kHz or 3 kHz filter width can
be used. See page 58 for details.
FL-431
(3
k
h
z
)
FL-430
(6
k
h
z
)
Top
Bottom
Rear
Front