Optoma Geo Module BE-BWM01 - Manual (Page 7)

16. Lastly, enter the IP addresses of the projectors from step 4. Once the software has
connected to the projectors, the main window appears. (If the software says that
there is no connection, or that “the device is busy and must be reset” – go back and
check if you have enabled “PC Mode” in the geometry menu of both projectors.)
17. Check that the software is communicating with the projectors by clicking the "Test
pattern" button. Which will enable/disable the test pattern with/without the blend
enabled in a cycle.
18. Double-Click on Projector-01 to enter its properties page. Then click the "Four
corner" button to adjust the grid alignment.