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Bernina Virtuosa 150 Instruction Manual & Sewing Manual page 56

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Buttonh¡¡lec
Everything you
need
to know about buttonholes
Thread
tension
. thread
the bobbin thread through the finger of the
bobbin
case
.the
bobbin tension
is
a
little tighter
.this
gives
the
beads on
the
right
side
of the fabric
a
slightly rounded
appearance
'
the
buttonhole
looks
more
altractive
gimp
reinforces
buttonholes
and
enhances
their
appearance (pages
26, 27)
2f
t
Mark
the length of
manual
buttonholes
.
mark
the buttonhole
length
in
the appropriate
position
'
stitched
using
Buttonhole
foot
No.
3
Mark
the length
of
automatic
buttonholes
.
mark
the length of just
one
buttonhole
. after
sewing
the
f
irst
buttonhole,
the
length
for
all subsequent
button-
holes
is
automatically
programmed
.
mark only
the beginning
of all
subsequent
button-
holes
Mark
the
length
of
keyhole
buttonholes
.
mark
the
bead length
only
.
the
correct
length
eye
will
be
added when
the
buttonhole
is
sewn
trsr
rBff
lf
a
buttonhole
is
to
be
sewn
at right
angles
to
a
seam,
we
recommend the
use
of the buttonhole
leveler. lnsert
the
plate
from
behind between the
fabric
and the
foot
up
to
and over the
thicker
area.
A
*
tr
1. Denser
bead
2.
Finer bead
2
Test
sewing
. always
test
sew on
the fabric
and stabilizer
you intend
to
use
'
select
the
buttonhole
type you intend
to
use
.
sew
the buttonhole
ìn
the
same
direction
on
the fabric
(with or
against
the
grain)
.
cut
the buttonhole
open
push
the
button through
and adjust
the buttonhole
length
if
necessary
Corrections
To
adjust
the
bead
width
.
alter
the
stiich width
Altering the
stitch
length:
.
any
alterations to the
stitch
length affect both
beads
(denser
or
less dense)
.
always reprogram
the buttonhole after
any
changes
to
the
stitch length
Balance
for stitch counter buttonholes
(pictures A
+
B)
.
any
alterations
to the
balance
affect both
beads
'
if
you alter
the
bead density
with
balance,
delete the
programmed buttonhole
with
the clrldel
button
and
reprogramme
the
buttonhole
with
the
new balance
setti
n
g
Balance
for automatic/manual buttonholes
.
any balance
alterations to the
6-step manual
and auto
length buttonholes affects both
beads
identically
because
they
are
sewn
in
the
same
direction
Note:
When
all buttonholes
have been sewn,
return
balance
to
the
normal
setting
m
B
m
zvvl
,=,
u
1. Finer bead
2.
Denser
bead

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Virtuosa 160