Gemsy GEM1900A - Page 196

SC201(1900A/1903A) Operation Instruction
37
1．
3
0
Max. sewing speed
（speed can be set in a unit of 100
rpm）
400～3000
3000
2
．
1
5
Sewing speed of 1
st
stitch
(With needle thread clamp)
（
speed can be set in a unit of 100
rpm
）
400
～
1500
1500
3
．
3
0
Sewing speed of 2
nd
stitch
(With needle thread clamp)
（
speed can be set in a unit of 100
rpm
）
400
～
3000
3000
4
．
3
0
Sewing speed of 3
rd
stitch
(With needle thread clamp)
（
speed can be set in a unit of 100
rpm
）
400
～
3000
3000
5．
3
0
Sewing speed of4
st
stitch
(With needle thread clamp)
（speed can be set in a unit of 100
rpm）
400～3000
3000
6．
3
0
Sewing speed of 5
th
stitch
(With needle thread clamp)
（speed can be set in a unit of 100
rpm）
400～3000
3000
7．
-
-
Thread tension of 1
st
stitch (With
needle thread clamp)
0～200
200
8
．
-
-
Thread tension at the time of
thread trimming
0
～
200
0
9
．
-
-
Changeover timing of thread
tension at the time of thread
trimming
－
6
～
4
0
1
0
．
4
Sewing speed of 1
st
stitch
(Without needle thread clamp)
(Speed can be set in a unit of 100
rpm)
400
～
1500
400
1
1．
9
Sewing speed of 2
nd
stitch
(Without needle thread clamp)
(Speed can be set in a unit of 100
rpm)
400～3000
900
1
2．
3
0
Sewing speed of 3
rd
stitch
(Without needle thread clamp)
(Speed can be set in a unit of 100
rpm)
400～3000
3000
1
3．
3
0
Sewing speed of 4
th
stitch
(Without needle thread clamp)
400～3000
3000