User's Manual

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3) Mount the MR900V2 on the mounting bracket by rotating the unit clockwise about 90 degrees to secure it in place.
To attach the MR900V2 to a ceiling using the provided T-rail connectors:
1) Attach the T-rail connectors to the bottom cover of the MR900V2 using the provided short screws.
Two sizes of T-rail connectors are included in the mounting hardware kit: 15/16in (2.38cm) and 9/16in (1.43cm).
If extra space is required to accommodate drop ceiling tiles, use the provided spacers and long screws.