Computerized Control System for Square Buttonhole Machine Normal Pattern Sewing
43
（2）
Display of Trial Sewing
In the sewing interface. Press
to enter the trial
sewing interface (As Shown at Right)
：
：
Return to Origin
：
Return
：
Forward
：
Tension at Stitch Point
：
Current/ Total Stitch Number
：
Sewing Order
：
Thread Trimming Order
：
Jump Feed Order
：
Thread Tension Order
：
Knife Driving Order
（3）
Begin Trial Sewing
A
、
By using
、
and
to start
trial sewing (Single Step). Under this mode,
step on the pedal switch to start the machine
for sewing the leftover stitches.
B
、
Holding
or
will have system to
sew the entire pattern as trial.
长
C
、
During the trial sewing. The relating order
marks at left side will be displayed in dark
according to the sewing data
Exp
：
When the sewing data is the thread-trimming, the
figure will turn to
.
（4）
End Trial Sewing
Press
to quit the interface of trial sewing
and return to the sewing interface.
