33
3 Setting of Service Parameter
The Service Parameter is different from the ordinary parameter. Generally, these parameters
are provided to the technicians for their debugging, and the users are forbidden to change them
without directions from the professionals.
3.1 Activation & Modification of Service Parameter
When the sewing LED is off, operator can press
to have system display
,
then the operator needs to press
together. After hearing the voice from buzzer, the
operation can activate and modify the service parameters
The modification is same to that of the ordinary parameters.
3.2 Table of Service Parameters
No. Definition
Adjustment
Range
Initial
Value
Remarks
21.--
Positions of standard pedal
& pedal switch
50-500 70
If increasing the set value, user will
need to depress presser harder.
22.--
Position of standard pedal
& stroke switch of high/low
section.
50-500 120
If increasing the set value, user will
need to depress presser harder.
23.--
Position of standard pedal
& start switch
50-500 185
If increasing the set value, user will
need to depress presser harder.
27.--
Dropping speed of presser
at depressing pedal
100-4000pps
4000
28.--
Lifting speed of presser at
depressing pedal
100-4000pps
1500
The excessive lifting will cause
problems in operation.
29.--
Lifting speed of
thread-trimming presser at
sewing end
100-4000pps
3000
The excessive lifting will cause
problems in operation.
38.--
Start sewing with switch
when presser keeps still
0
：
Normal
1
：
Not lift
presser
0
43. 1
Selection of machine
rotating number at
thread-trimming
0
：
400rpm
1
：
800rpm
0
Rotation number at dividing thread with
moving knife; the thread-trimming is
performed after the machine ends
44. 1
Selection on whether to
feed cloth in the easy
0
：
Not Feed
1
：
Feed Cloth
1
