4 Datuming Creating a “Datum”, or zero point, is an essential part of coordinate metrology. When measuring rectangular parts, the first step is often to “Skew” the part or mathematically align the part as it sits on your stage, and then set the origin(or datum) of your part coordinate system.
4.1 Zeroing and Presetting the Stage Position The stage position can be zeroed or preset to a value as the reference for a measurement.
To zero a stage position: • Step 1: Move the stage to the desired measurement reference position. • Step 2: Press the Home button to display the DRO view, if necessary. • Step 3: Press the DRO Zeroing Button(screen or keypad) to zero the stage position for the desired axes.
4.2
Presetting the Stage Position to Specific Coordinates
To preset a stage position: • Step 1: Move the stage to the desired measurement reference position. • Step 2: Press the Home button to display the DRO if necessary.
• Step 3: Long-press any DRO Zeroing Button(screen or keypad) to access the preset screen. • Step 4: Enter the desired preset value for each axis and press “Finish” to complete the preset.
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