Bernina 580 Manual page 76

Buttonhole - Important information
1
3
1 Marking the length of manual buttonholes
█
█
2 Marking the length of automatic buttonholes
█
►
█
2
█
3 Marking the length of keyhole buttonholes
█
►
►
█
█
Test sewing
█
█
█
█
█
█
█
To adjust the bead width
█
To adjust stitch length
Stitch length adjustments affect both buttonhole beads.
►
After stitch length adjustment:
█
033527.53.04_2014-07_Manual_B580_EN
mark the buttonhole length in the desired position
use buttonhole foot No. 3C (optional accessory)
mark the length of just one buttonhole
after sewing the first buttonhole the length is prgrammed
mark only the beginning of all subsequent buttonholes
use automatic buttonhole foot No. 3A
mark the bead length only
the correct length eye will be added when the buttonhole is sewn
after sewing the first buttonhole the length is programmed
mark only the beginning of all subsequent buttonholes
use automatic buttonhole foot No. 3A
always sew a test sample of the same fabric and
with stabilizer you intend to use
select the buttonhole type you intend to use
sew the buttonhole in the same direction on the fabric (horizontal or vertical,
with or against the grain)
cut the buttonhole open
push the button through the buttonhole
adjust the buttonhole length if necessary
alter the stitch width
spacing between the stitches
re-program the buttonhole
If a buttonhole is to be sewn at right angles
to the seam, we recommend the use of the
height compensation plates (optional
accessory). Place the plates from the back
between fabric and bottom of slide foot up to
the thick part of the fabric and push to front.
When sewing a buttonhole in difficult
materials, we recommend to using the
Compensation plate for buttonholes
(optional accessory). It can be used along
with buttonhole foot No. 3A.
Buttonholes
75