JUKI LK-1900A User Manual

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3. Table of functions of the memory switch
Various operations of sewing machine can be set in programs by operating the memory switches.
There are items that change the initial values at the time of delivery according to the models.
Indication Function
Max. sewing speed (Speed can
be set in a unit of 100 rpm.)
Sewing speed of 1st stitch (With
needle thread clamp) (Speed can
be set in a unit of 100 rpm.)
Sewing speed of 2nd stitch (With
needle thread clamp) (Speed can
be set in a unit of 100 rpm.)
Sewing speed of 3rd stitch (With
needle thread clamp) (Speed can
be set in a unit of 100 rpm.)
Sewing speed of 4th stitch (With
needle thread clamp) (Speed can
be set in a unit of 100 rpm.)
Sewing speed of 5th stitch (With
needle thread clamp) (Speed can
be set in a unit of 100 rpm.)
Thread tension of 1st stitch (With
needle thread clamp)
Thread tension at the time of
thread trimming
Changeover timing of thread
tension at the time of thread
trimming
Sewing speed of 1st stitch
(Without needle thread clamp)
(Speed can be set in a unit of 100
rpm.)
13. Sewing speed of 2nd stitch
(Without needle thread clamp)
(Speed can be set in a unit of 100
rpm.)
Sewing speed of 3rd stitch
(Without needle thread clamp)
(Speed can be set in a unit of 100
rpm.)
Sewing speed of 4th stitch
(Without needle thread clamp)
(Speed can be set in a unit of 100
rpm.)
Sewing speed of 5th stitch
(Without needle thread clamp)
(Speed can be set in a unit of 100
rpm.)
Thread tension of 1st stitch
(Without needle thread clamp)
Changeover timing of thread
tension at the sewing start
(Without needle thread clamp)
Setting whether or not indication
or change of pattern No., X/Y
scale rate and max. speed
limitation is acceptable.
(Prevention of misapplication)
Setting range
400 to 3000
400 to 1500
400 to 3000
400 to 3000
400 to 3000
400 to 3000
0 to 200
0 to 200
-6 to 4
400 to 1500
400 to 3000
400 to 3000
400 to 3000
400 to 3000
0 to 200
-5 to 2
0 : Operative
1 : Inoperative
State when delivered
3000
1500
3000
3000
3000
3000
200
0
0
400
900
3000
3000
3000
0
0
0
Remarks
For LK-1903A, set to 2700.
In case of setting 1, use of M key
is prohibited as well. When
changing memory switch,
pressing M key, turn ON the power
switch.

JUKI LK-1900A Specifications

General

Stitch Type	Lock Stitch
Power Consumption	550 W
Thread Take-up	Rotary type
Lubrication	Automatic
Needle Type	DP×5
Presser Foot Lift	17 mm
Needle Size Range	#11 - #18
Presser Foot Lift Type	Automatic / Manual
Bobbin	Rotating hook
Motor	Servo motor