29
Requirements
Both columns of the buttonhole shall be of
equal compactness when the fine
adjustment knobs are at neutral position.
Adjustment
The balance of the stitch length can be
adjusted by means of a screw, which is
accessible through a hole in the rear cover.
The balance between forward and reverse
feeding can be set according to the sketch.
Test sew with A4 (flatlock). Compare page 43.
The stitch length.
The balance between forward and reverse feeding when
sewing buttonholes.
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