Automatic Round And Keyhole Buttonhole - Bernina 880 Manual

Buttonholes

Automatic round and keyhole buttonhole

100
1
2 3 4 5 6
034791.51.04_2014-02_Manual_B880_EN
Buttonhole foot No. 3A
The slide foot must lie perfectly flat on the fabric! If the slide foot
rests on a seam allowance, the length cannot be measured
accurately.
Automatic Round and Keyhole buttonhole No. 54-58, 68
Programming buttonholes
1 ⦁ sew straight stitches forward
⦁ stop the sewing computer
⦁ press «Quick reverse»-button
►
«auto» and the programmed length (in mm) appears in the Display
►
the buttonhole length is programmed
The sewing computer sews the following automatically:
2 the eye
3 the first bead in reverse
4 the straight stitches forward
5 the second bead in reverse
6 the bartack and securing stitches
►
the sewing computer stops and returns automatically to buttonhole
begin
Auto buttonhole
►
all subsequent buttonholes will be sewn to exactly the same length
(no need to press the «Quick reverse»-button)
⦁ the programmed buttonholes can be saved in the long-term memory
(see page 103)
⦁ press «clr»-button
►
the programmed settings are cleared
Exact duplication
The auto function ensures that each buttonhole will be exactly the
same length as the previous one.
Double sewn keyhole buttonholes
̶ keyhole buttonholes can be sewn twice on thick fabrics - use a
longer stitch length for the first run
̶ after sewing the first buttonhole, do not move the work
̶ reduce the stitch length manually and sew the buttonhole again