Duerkopp Adler 669 Premium Operating Instruction page 39

Operation
Operating Instructions 669 PREMIUM - 00.0 - 11/2016
Fig. 18: Sewing backwards with the stitch adjustment lever
①
(1) - Stitch adjustment lever
To sew backwards with the stitch adjustment lever:
1. Slowly push the stitch adjustment lever (1) down.
 The stitch length becomes smaller. In the lower end position,
the machine sews backwards with the set stitch length.
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