Jack K4-D Series, Руководство пользователя

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rotating the stitch length adjusting knob. Clockwise Rotation, needle length
becomes larger, counterclockwise rotation, stitch length
becomes smaller.
图 5-5
Figure 5-5
注意：为了防止机器突然启动造成人身事故，请关掉电源，确认电机确实停止转动
后再进行操作！
Note：In order to prevent the machine from personal accident suddenly,
please turn off the power supply, confirm the motor really stop running
again then operate !
4、差动的调节 Differential regulation
差动调节范围在 0.8-1.3 内，松开调节螺钉，上下扳动，往上是顺差动，往下是逆
差动。Within differential range of 0.8-1.3, loose and adjust screw, throw up
and down, up is To Shrink, down is To Stretch.