Remove the LCD cover.
The front electronics end cap (the cap covering the LCD) is certified for Class I, Division I in appropriate gas environments (check the nameplate on the device for details).
Exposing the electronics to a production environment may allow particulates, moisture, and other airborne chemicals to enter into the device, which could lead to contamination and potential product performance issues.
DIAG button to turn the LCD on.
This displays the Tag name, Device ID, Network ID, Network Join Status, and Device Status screens.
Attach the LCD cover.
Use a strapping wrench to tighten the cover until it will no longer turn and the black O-ring is no longer visible. Refer to Figure 2 for an illustration on how to properly seal the end cap.