How does the mortise cylinder lock/unlock the 996L-M lever trim?

The mortise cylinder threads into the 7500 lock body through the 996 L M trim to lock/unlock the lever function.  There is a small slot head screw that must be turned all the way "in" on the side of the 7500 lock body for this to function properly. Please reference exit device and trim installation instructions found at us.allegion.com.

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