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(2) Table of memory switch functions
Some initial values for shipment may change according to models.
The contents are divided into two categories of user level (U) and service level (S).
Indication Level Functions Setting range Remarks
U Max sewing speed 400~3000rpm 3000 To be set at 2700 for the
(Setting possible in the unit of 100rpm)
LK-1900AW and LK-1903A.
U Sewing speed for the first stitch 400~1500rpm 1500
(with needle thread clamp)
(Setting possible in the unit of 100rpm)
U Sewing speed for the second stitch 400~3000rpm 3000
(with needle thread clamp)
(Setting possible in the unit of 100rpm)
U Sewing speed for the third stitchj 400~3000rpm 3000
(with needle thread clamp)
(Setting possible in the unit of 100rpm)
U Sewing speed for the 4th stitchj 400~3000rpm 3000
(with needle thread clamp)
(Setting possible in the unit of 100rpm)
U Sewing speed for the 5th stitch 400~3000rpm 3000
(with needle thread clamp)
(Setting possible in the unit of 100rpm)
U Thread tension for the first stitch 0~200 200
(with needle thread clamp)
U Thread tension at the time of 0~200 0
thread trimming
U Changeover timing of thread ten- –6~4 0
When the setting value isincreased,
op-
sion at the time of thread trimming (~–1:32°, 0:28°, 1:24°~)
eration becomes faster in the unit of 4°.
U Sewing speed for the first stitch 400~1500rpm 400
(with needle thread clamp)
(Setting possible in the unit of 100rpm)
U Sewing speed for the second stitch 400~3000rpm 900
(with needle thread clamp)
(Setting possible in the unit of 100rpm)
U Sewing speed for the third stitch 400~3000rpm 3000
(with needle thread clamp)
(Setting possible in the unit of 100rpm)
U Sewing speed for the 4th stitch 400~3000rpm 3000
(with needle thread clamp)
(Setting possible in the unit of 100rpm)
U Sewing speed for the 5th stitch 400~3000rpm 3000
(with needle thread clamp)
(Setting possible in the unit of 100rpm)
U Thread tension for the first stitch 0~200 0
(with needle thread clamp)
U Changeover timing of thread ten- –5~2 0
When the setting value is increased,
sion at the sewing start (~ –1: 64°, 0: 60°, 1: 56°~) operation becomes faster in the
(with needle thread clamp) unit of 4°.
U
Display of Pattern No., XY enlargement/
0: Operative 0
In case of setting 1, use of M key is
reduction scale rate, and max. 1: Inoperative
prohibited as well. When changing
speed limits; change enabled/disabled memory switch, pressing M key, turn
ON the power switch.
(Standard operation panel)
U Counter operation 0: Production counter (addition) 0 (Standard operation panel)
1: Bobbin thread counter
(subtraction)
U Selection of pedal 0: Standard pedal 0
1: Standard pedal
(2-step stroke)
2: Optional pedal
3: Optional pedal
(2-step stroke)
U Selection of pedal 0: Standard pedal 0
1: Optional pedal
State when
delivered
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