#### Step 7 - Measure Port 8

Take a Hit on the Back of Port 8

PC-DMIS MESSAGE: Please take a hit in the back of the circle for port 8. The hit should be taken in the middle just above the metal key.

Using your machine jog box, measure the second hit on the back (arc) surface of Port 8 as shown in the image to the right. When you click OK you will be prompted to take the hit with the Execution Mode Options dialog box. |

This set of two hits establishes the location for the tool changer. These hits would be the same if Port 8 didn't have an extension.

At this point, the system will go into DCC mode and measure a series of hits on all ports, starting at Port 8 and progressing down to Port 1.

After the DCC measurement of the ports, your next step will involve measuring the datum sphere.

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