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Application
Function setting
Output function
No. P139 No. P141 No . P142
❶
0 0 or 1 0 or 1
It works as normal touch-back switch.
❷
1 0 0
When operating touch-back switch at the time of depressing front part
of the pedal, reverse feed stitching as many as the number of stitches
specied by the function setting No. P140 can be performed.
❸
1 1 0
When operating touch-back switch at the time of either stop of the
sewing machine or depressing front part of the pedal, reverse feed
stitching as many as the number of stitches specied by the function
setting No. P140 can be performed.
❹
1 0 1
When operating touch-back switch at the time of depressing front part
of the pedal, automatic thread trimming is performed after reverse
feed stitching as many as the number of stitches specied by the
function setting No. P140 has been performed.
❺
1 1 1
When operating touch-back switch at the time of either stop of the
sewing machine or depressing front part of the pedal, automatic
thread trimming is performed after reverse feed stitching as many as
the number of stitches specied by the function setting No. P140 has
been performed.
Actions under each setting state
❶
Used as the normal reverse feed stitching touch-back switch.
❷
Used for reinforcing seam (press sewing) of the pleats. (It works only while the sewing machine is in
operation)
❸
Used for reinforcing seam (press sewing) of the pleats. (It works either when the sewing machine stops
or when the sewing machine is running.)
❹
Used as starting switch for reverse feed stitching at the sewing end. (Used as the substitute for thread
trimming by depressing back part of the pedal. It works only while the sewing machine is in operation.
This is especially eective when the sewing machine used as the sewing machine for standing work.)
❺
Used as starting switch for reverse feed stitching at the sewing end. (Used as the substitute for thread
trimming by depressing back part of the pedal. It works either when the sewing machine stops or when
the sewing machine is running. It is especially eective when the sewing machine is used as the stand-
ing-work machine.)
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