Jack A4 - Speed Adjustment

On the standby condition,
press to increase the speed.
On the standby condition,
press to reduce the speed.
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When the addition stitch
switch button is pushed backward,
the function of adding half stitch
will come true. When machine
stops in sewing, pressing addition
stitch button will have half stitch.
When the addition stitch
switch button is pushed forward,
the function of adding one stitch
will come true. When machine
stops in sewing, pressing addition
stitch button will have one stitch.
half/ full
needle switch
half/ full
needle switch
Adding stitch setting
Adding half stitch:
Back stitch button
Adding stitch:
Half stitch button
Speed adjustment
LED screen area
Increase the speed Reduce the speed
Speed adjustment: Speed adjustment:
Manual Book of A4
Product Introduction