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23-2 Memory switch data list
Memory switch data are the motion data that the sewing machine has in common and the data that
operate on all sewing patterns in common. However, the max. speed limitation of LK1903A and
LK1900AWS (double capacity hook type) is 2,700 rpm.
23-2-1 Level 1
No. Item Setting range Edit unit Initial display
Maximum sewing speed
400 to 3,000 100rpm 3,000rpm
Sewing speed of 1st stitch
In case of with thread clamp
400 to 1,500 100rpm 1,500rpm
Sewing speed of 2nd stitch
In case of with thread clamp
400 to 3,000 100rpm 3,000rpm
Sewing speed of 3rd stitch
In case of with thread clamp
400 to 3,000 100rpm 3,000rpm
Sewing speed of 4th stitch
In case of with thread clamp
400 to 3,000 100rpm 3,000rpm
Sewing speed of 5th stitch
In case of with thread clamp
400 to 3,000 100rpm 3,000rpm
Thread tension of 1st stitch
In case of with thread clamp
0 to 200 1 200
Thread tension setting at the time
of thread trimming
0 to 200 1 0
Thread tension changeover timing
at the time of thread trimming
-6 to 4 1 0
Sewing speed of 1st stitch
In case of without thread clamp
400 to 1,500 100rpm 400rpm
Sewing speed of 2nd stitch
In case of without thread clamp
400 to 3,000 100rpm 900rpm
Sewing speed of 3rd stitch
In case of without thread clamp
400 to 3,000 100rpm 3,000pm
Sewing speed of 4th stitch
In case of without thread clamp
400 to 3,000 100rpm 3,000pm
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