70 Buttonholes - Applications
Programming Automatic Buttonholes With
Quick Reverse Button on Head Frame
Automatic Buttonhole
• the lens on the Automatic buttonhole foot
No. 3A automatically registers the length of
the buttonhole (for exact duplication) and
automatically completes the buttonhole,
when reaching the maximum length
• suitable for all buttonhole lengths of 4mm
up to the maximum length, which can be
set with stitch width or stitch length knob
Sewing Standard and Stretch Buttonholes
No. 51, 52, 53
Sewing First Bead
• the stitching sequence is displayed in the
Stitch Altering Area
• sew the first bead forwards, stopping at
the required length
Programming Buttonhole
•press the Quick Reverse button on head
frame, continue sewing
• «auto» and the programmed length
(in mm) appears on the screen to indicate
that the buttonhole length is programmed
Auto Buttonhole
the sewing computer sews the following
automatically:
• straight stitches in reverse
• the first bartack
• the second bead forwards
• the second bartack
• the securing stitches. The sewing computer
stops and automatically changes to the
beginning of the buttonhole
All subsequent buttonholes will be sewn
automatically to the same length (without
pressing the Quick Reverse button)
Both beads are sewn in the same
direction.
The buttonhole length indicates
the buttonhole opening in mm.
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