Manual

：move nozzle along Z axis
：move nozzle along X/Y
① When you move XYZ axis, the outer you put the mouse cursor,
the bigger distance it moves, as shown bellow.
(3) To operate the extrusion mechanism to feed in or draw back plastic
wire.
： feed in / draw back
： feeding speed and length
： length to draw back
： length for fast feeding
(4) Emergency stop.
during printing or manual operations, when in such cases as defective
printing or unexpected emergencies, you can push this button to stop
operation.
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