MPG stands for Manual Pulse Generator and is basically
an electronic hand-wheel. It's the silver dial on the front
of the machine in the picture to the upper right. By
selecting it's function in Mach3, when the user rotates
the MPG it moves the selected axis. It has 100 detents
per revolution and each detent or hash line equals
approximately .001" of linear movement. It is an asset
when referencing the cutter to the work and a neat way
to jog the spindle around.
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Located on
the front of
the machine