Bernina 750 QE, User Manual

Page: 86 / 198

85
Buttonholes
Buttonhole foot no. 3a
The lens on the automatic buttonhole foot No. 3A automatically registers the
length of the buttonhole for exact duplication.
For buttonholes of 4-31mm, depending on the buttonhole type.
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.
5 4 3 2
1
automatic standard and stretch buttonhole no. 51, 52, 53
programming the buttonhole
1 ⦁ sew first bead forward
⦁ stop the sewing computer
⦁
press the «Quick reverse»-button
►
«auto» and the programmed length (in mm) appears in the Display
►
the buttonhole length is programmed
The sewing computer sews automatically:
2 the straight stitches in reverse
3 the first bartack
4 the second bead forwards
5 the second 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 90 )
⦁
press the «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.
Sewing speed
̶ sew at moderate speed for best results
̶ sew all buttonholes at the same speed for a consistent bead
density
programming Buttonholes
Standard and stretch buttonhole with auto-length, automatically
034247.71.04_2014-02_Manual_B750_EN