SunStar KM-1957-7, Руководство пользователя

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4-9. Reverse Button Function Check
The machine changes immediately to backward stitching
when pressing a reverse button
①
during forward stitching. If
you press a pedal and operate the sewing machine under the
state of holding the machine and pressing the reverse button
①
in advance, stitches are made backward from the
beginning.
If you press the reverse button when the sewing machine is at
a standstill, you can change the up/down position of needle
bar. The needle bar locates at the upper stop when touching
one time lightly. If you touch the reverse button
①
two times
consecutively within a second, the needle bar moves to the
lower stop position.
Therefore, it shares the reverse stitching function and the
up/down position of needle change function.
4-10. Functional Description of Function Switch
1) : Speed conversion switch
The speed decreases to the predetermined speed if you
press the switch while stitching and the speed changes as
original if you press the switch one more time.
2) : Sub Thread Tension Control Switch
The initial state of this switch releases the thread tension.
When pressing the switch, the disk is closed and the
thread tension increases.
[ Figure 20 ]
①
[ Figure 21 ]