Operation Manual

Balancing
the
density
of
buttonhole
seams
vVith
key
124
the
left
buttonhole
seam
can
be
adapted
to
the
right
one.
First
make
a
sample
but
onhole.
•
Sew
the
first
buttonhole
seam
in
the
length
required
and
• the
first
bartack.
I
Set
balance
key
124
toward
+
or
— and
adjust
the
second
buttonhole
seam
to
the
first
one
(Fig.
3).
I
Sew
last
bartack.
•
This
change
will
be
maintained
for
the
follow
ing
buttonholes.
Adaption
of
buttonhole
length
garment
may
consist of
different
numbers
of
abric
plies,
e.
g. the
buttonhole
strip
may
consist
f
three
plies
and
the
collar
stand
of
six
—
owing
to
the
folded
seam edge.
In
this
case
it
is
necessary
to program
the
computer
for
varying
numbers
of
fabric
plies
in
order
to
maintain
the
same
button
iole
length
as
on
the
3-ply
buttonhole
strip.
Changing
the
buttonhole
width
Ear
every
fabric type,
the
corresponding
button
ole
width
can
be
determined
up
to
5.5
mm.
For
eavy
materials
select
a
wide
buttonhole
and
a
arrow
one
for
light
materials.
With
the
stitch
‘idth
key
(140),
you
determine
the
required
but
nnhole
width.
The
length
of
the
cut
is
changed
utomatically
(Fig.
4).
A
buttonhole
width
of
5mm
is stored.
÷
4
103