Operation Manual

SLIViflR
Perfectly
Balanced
Buttonholes
(PBB)
Your
Prelude
has
the
Perfect
Balanced
Buttonhole
(PBB).
The
machine
sews
but
tonholes
with
both
columns
stitched
in
the
same
direction
to
get
a perfect
result.
1.
Set
the
stitch
length
dial
to
buttonhole
symbol.
Set
the
stitch
selector
to
but
tonhole
(C),
position
1.
The
size
of
the
buttonhole
is
automatically
determined
by
placing
the
button
in
the
special
but
tonhole
foot.
The
machine
sews
the
first
column
in
reverse.
Sew
until
the
left
column
of
the
buttonhole
reaches
the
red
mark
on
your
buttonhole
foot.
2.
Turn
the
stitch
width
dial
to
set
the
stitch
selector
in position
2.
Now
the
machine
will
sew
a
straight
stitch
towards
you
indicating
the
right
column
of
your
but
tonhole.
Sew
the
straight
until
you
have
reached
the
same
length
as
the
first
column.
3.
Set
the
stitch
selector
in
position
3.
Now
the
machine
will
stitch
a hartack.
Sew
three
or
four
stitches.
4.
i’urn
the
dial
to
position
4.
The
machine
will
stitch
the
second
column
of
the
buttonhole
in
reverse.
Sew
until
you
have
reached
the
same
length
as
the
first
column.
5.
Now
turn
the
dial
back
to position
3
again
and
stitch
the
final
hartack.
Sew
three
or
tour
stitches.
Turn
the
stitch
width
dial
to
(I
and
lock
the
threads
with
a
fiw
stitches.
7:1
L
12!
I
ci
I
—
—
—
—
a
-
—
-
a
-
-
—
—
—
a
—
a
—
a
—
—
—
—
—
I
LW
LW
—
LW
LW
—
—
a
a
a
LW
a
te
—
—
—
—
I
2
3
4
3
Is