### Calibrating the ACR1 Probe Changer

The process presented in these topics covers defining and calibrating the ACR1 probe changer.

There are no inserts used for any of the slot positions. However, if you intend to use probe extensions in any of the slots, these must be defined as part of the slot type before starting.

An ACR1 probe changer showing two different probe extensions used here in slots 7 and 8

Important: The ACR1 Probe Changer MUST BE mounted on the machine table parallel to either the X or Y axis for successful calibration.
For mounting instructions, consult the documentation that came with your probe changer.

To Calibrate your ACR1 Probe Changer:

- Step 1 - Select the ACR1 Probe Changer

- Step 2 - Define the Communications Port (optional)

- Step 3 - Define the Mount Point

- Step 4 - Define Ports

- Step 5 - Prepare for Calibration

- Step 6 - Measuring Port 1

- Step 7 - Measuring Port 8

- Step 8 - Measuring Datum Sphere

- Step 9 - Measuring Datum Sphere with PEM Extension(s) (optional)

- Step 10 - Review Calibration Results