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⑫ Function of reverse feed stitching on the way (Function setting Nos. P139 to P143)
Functions of the limit of number of stitches and thread trimming command can be added to the touch back
switch on the sewing machine head.
Function setting P139
1 3 9
0 : OFF Normal back-tack function
1 : ON
Function setting P140
1 4 0
Setting range : 0 to 19 stitches
Function setting P141
1 4 1
0 : OFF Inoperative when the sewing machine stops. (The reverse feed stitching on the
1 : ON
(Cautions) Either condition is operative when the sewing machine is running.
Function setting P142
1 4 2
0 : OFF Without thread trimming
1 : ON
Function setting P143
1 4 3
Setting range : 200 to 3000 [sti/min] <10 sti/min>
Function setting
Application
No.P139 No.P141 No.P142
❶
0
0 or 1
❷
1
1
❸
❹
1
1
❺
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 effective 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 effective when the sewing machine is used as the
standing- work machine.)
Function of reverse feed stitching on the way is selected.
Function of reverse feed stitching on the way
Number of stitches performing reverse feed stitching is set.
Effective condition of reverse feed stitching on the way
way functions only while the sewing machine is in operation.)
Operative when the sewing machine stops. (The reverse feed stitching on the
way functions while both the sewing machine is in operation and is at rest.)
Thread trimming is performed when reverse feed stitching on the way is completed
Thread trimming is executed.
Set the sewing speed when the reverse feed stitching at midpoint of sewing is
performed.
0 or 1
It works as normal touch-back switch.
When operating touch-back switch at the time of depressing front part of the
0
0
pedal, reverse feed stitching as many as the number of stitches specified by
the function setting No. 140 can be performed.
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
1
0
as the number of stitches specified by the function setting No. 140 can be
performed.
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
0
1
many as the number of stitches specified by the function setting No. 140 has
been performed.
When operating touch-back switch at the time of either stop of the
sewing machine or depressing front part of the pedal, automatic
1
1
thread trimming is performed after reverse feed stitching as many as
the number of stitches specified by the function setting No. 140 has
been performed.
Output function
– 100 –
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