SINGER 9100 - Manual (Page 25)

For open zig-zag stitching, choose any stitch
length from 6 to 20, depending on how open
you wish the stitching to be. It you wish a
closely spaced zig-zag stitch:
1. Move stitch length selector to 20.
2. Run the machine at slow speed and gradu­
ally tighten thumb nut by turning it clockwise,
until stitches are closely spaced and form
a smooth surface.
NOTE: For best results in producing a smooth,
satiny
surface, use the special-purpose foot
furnished with your accessories.
ADJUSTING STITCH LENGTH
Adjusting stitch Length
As Selector is Raised,
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