83
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.
5432
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 88)
⦁
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
033805.51.04_2014-02_Manual_B710_EN
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