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Turning
procedure
for
the
MFJ
-9200
filter
board.
Initial
Uffig
Tuning
of
y'our
new
board
is
easy
and
does
rrot
require
any
special
equipment.
This
is
a
one
tinre
procedure
only
needed
for
first
used
of
the
board.
'Once
this'procedure
is
finished,
the
board
may
be remove
and
reinstalledl
at
anytinre
withoul
re-tuning.
RX
alignment
is
all
that
is
needed,
the
-l-X
section
of
the
board
does
not
require
tuning.
Re
c e i v
er.EillerAlJgn
msn!
Install
the
board
into your
lvFJ-920c1
as
directed
in
the instruction
manual.
Leave
the
rear
cover
off
and
connect
the
radio
to
your
iantenna
and
pcwer
source.
connect your
headphones
or other
audio
device'
Turn
tlre radio
on iand
listen
across
the
band.
Try
to
find
a
weak
signal
somewhere
around
the
middle
of
tlre
band.
lf
'you
can't
find
a signal,
bacrgiound
noise
rran
be
used.
Using
a non-
metallic
scrr;uvdriver,
turn
tlre
slugs
liabeled
rl
and
iz
ri,
oest
re-epli,on.
nternate
between
the two
until:you
hav'e peaked
the
receliv6
signal
"r
ru"h
.rlo,
can.
There
should
be
a noticeable
increase
in
the
reception
of the
radio
when
tuning
the
slugs.
one
stug
may
not
seem
to make
as much
difference
as
tlre other.
This
is
nornral
ind
doeinot
indicatJ,
p.ot.r.
Make
sure
the
pins
are inserte<j
correctly
when
instillling
a
new
boarcl
;-------
-
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CF)CAGGAG
inUtruUUUUU
'3ul'sasudJalu=l
fJy-\
\\ ))
The
board
is
oriented
upside
down
as
shown
when
installed
into
the
radio.
o
\ lfrT-r
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[rrlstl
rnr/t
l^--a/-\A
Z1gJUU
o
o
o
I
I
I
I
,
l'{02
tI0r
l,!0t
y1,108
frn
UU
oo
Cr
lnsert
nr>n-metallic
screwdriver
into
thes;e
holes
to
turn
slugs
Cr
i*\)l
\_7
Dr
t1
o
C
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