## Tip Calibration

Tip calibration assumes that you have already calibrated the wrist. It does not need to be done for the tip that is used to calibrate the wrist. Tip calibration is done automatically for the tip used to calibrate the wrist.

The purpose of tip calibration is to calculate the distance from the last (A joint) joint's center point to the tip center. Theoretically, measuring one tip A,B combination will be sufficient to compute this distance once the wrist is calibrated. However, it is a good idea to measure more than one A,B combination so that PC-DMIS can average the tip offsets computed. This will result in better accuracy.

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