HEIDENHAIN ND 2100G - Manual (Page 48)

48 1 Operation
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.5 Oper
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Establishing a temporary dimension reference
Establishing a temporary dimension reference is useful when quick
point to point measurements are desired. The temporary reference is
only applied to the associated dimension, and only to the current part.
For example, a temporary reference established for dimension A and
part number 0 will not apply to any dimensions or to any other parts
that might include their own dimension A.
Temporary dimension references can be established for encoders and
transducers. Since only one point is used as a reference, transducer
resolution remains unchanged.
Dimension references can be zeroed or preset to specific values.
Zeroing a dimension reference
Dimensions can be zeroed at any time using the Datum/Zero function.
The zero reference is temporary in the sense that it uses the
incremental datum D1, and has no effect on the absolute datum D0.
To zero a dimension:
U Press the MENU... soft key
U Press the DATUM soft key
U Press the ZERO... soft key. The soft keys across the bottom of the
screen will be labeled to support zeroing specific or all dimensions.
U Use the left and right arrow cursor keys to scroll through dimensions
when there are more dimensions defined than ND 2100G soft keys
U Press the desired ZERO key to zero the corresponding dimension
Dimension A prior to zeroing.
Dimension A zeroed.