Omron NS - MANUAL 2 Operation Manual page 23

Connecting the Cable
Connect the functional ground terminal of the PT and the cover with the cable to
prevent malfunction due to noise.
Removing the RGB and Video Input Unit
(1) Remove the cover from the back of the PT. Loosen the cover mounting screws
and slide the cover upward.
Loosen the screws.
2-3 Installing the RGB and Video Input Unit
Connect the functional ground terminal
and the cover with the cable.
Slide the cover.
Remove the cover.
2-7