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100S Reference Manual
OPERATION
100S allows you to measure both absolute and incremental dimensions.
A dimension measured from the point you define as the datum is an
absolute dimension. A dimension measured from any other point on your
print is an incremental dimension.
Datum, also known as absolute zero or workpiece zero, is the reference
point from which
100S will base all of your part’s coordinates. When
the readout is in the ABS mode, it is actually measuring the distance
from the datum to the table’s current position.
You will need to establish a datum for every job. Your datum may
already be identified on your print; if it isn’t, then establish a datum that
allows you to enter most of your part’s dimensions directly, with the
least number of calculations.
All of the dimensions in the drawing below are based from the datum.
Setting the Datum (Absolute Zero)
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