3D System Measurements 10
10.2.2 GPS receiver over boom pin
1. Use the boom center finder chuck and the range pole target to set the range
pole up on the boom pin.
Figure 10.1 Range pole on boom pin
2. To stabilize the range pole:
Use a bungy cord or similar to attach the pole to the machine.
Attach the bipod legs as high up on the range pole as possible.
3. Adjust the bipod legs until the bubble level shows that the pole is vertical.
GCS900 Grade Control System for Excavators Installation Manual 127