Wuhan Huazhong Numerical Control HNC-18M, Operator'S Manual, Page: 54 / 119

3 MANUAL OPERATION
40
Once in
INC
mode, the handwheel unit is activated by turning the
Axis Selection knob from the OFF position to one of the mill's axes.
Axis selection/ OFF knob
: The left knob on the Handwheel unit is
the Axis Selection/ OFF knob. By rotating the knob, you both turn
on the Handwheel unit and also select the axis of handwheel motion.
Magnification selection knob:
The right knob on the Handwheel
unit is the Magnification Selection knob. By rotating the knob, you
select the amount of magnification to the step length for each
increment of handwheel motion. The amount of magnification can
be 1, 10, 100 or 1000.
INC
mode key
INC
mode LED indicator light
OFF:
The handwheel unit is disabled;
control is through the
INC
mode on the front
panel.
X:
Handwheel movement controls the X
axis.
Y:
Handwheel movement controls the Y
axis.
Z:
Handwheel movement controls the Z
axis.