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27. OPERATION SWITCHES
One-touch type reverse feed switch
•Whilethemachineisinoperation,themachineperformsreversefeedstitchingaslongasthisswitchisheldpressed,and
resumes normal feed stitching when the switch is released.
Alternating vertical movement amount change-over switch
•Ifthisswitchispressedtheamountofthealternatingverticalmovementofthewalkingfootandthepresserfootwillbemaxi-
mized. (The lamp locating inside the button will light up.) Use this switch when a multilayered portion of the sewing product is
not smoothly fed.
Automatic reverse feed stitching cancellation/addition switch
•Ifthisswitchispressedwhenthefollowingautomaticreversefeedstitchinghasbeenspecied,thereverse stitching will not
take place (for once immediately after it is pressed). (Example 1)
•Ifthisswitchispressedwhennoautomaticreversefeedstitchinghasbeenspecied,thereversefeedstitchingwilltakeplace
(once immediately after it is pressed). (Example 2)
In the case where DL control is not provided. In the case where DL control is provided.
(Example1)Inthecasewherebothautomaticreversefeedstitchingforstartandthatforendhavebeenspecied:
If the switch is pressed before starting sewing, the auto-
matic reverse feed stitching for start (between A and B) will
not be carried out.
If the
switch is pressed during sewing, the automatic
reverse feed stitching for end (between C and D) will not
be carried out.
(Example2)Inthecasewhereneitherautomaticreversefeedstitchingforstartnorthatforendhavebeenspecied:
If the switch is pressed before starting sewing, the au-
tomatic reverse feed stitching for start (between A and B)
will be carried out.
If the switch is pressed during sewing, the automatic
reverse feed stitching for end (between C and D) will be
carried out.