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“ entry lock and classroom lock ”

Resolution: CLASSROOM LOCK: A lock that locks and unlocks the outside lever with a key. Inside is always free egress. ENTRY LOCK: A lock that locks and unlocks the outside lever with button/turn on the insi...:

What is a lock function?

Resolution: Apartment Corridor Lock function is defined as a lock where the latch bolt operated by lever from either side, except when outside lever is made inoperative by a stop or mechanical means other than...:

Why does my 7500 retract the latch bolt but not re-lock the trim?

Resolution: Tips for changing the function: The NL Drive screw will not be visible when lock body is set to Classroom function There is locktite on the screw that makes it seem like its turned down enou...:

How do I change the function of the Von Duprin 7500 mortise lock from Lever ( classroom ) to NL ( night latch )?

Resolution: To convert the Von Duprin 9975L to 9975NL exit function follow these steps (Note: the mortise lock is shipped as Night Latch from the factory): Turn the NL screw on 7500 mortise lock counter clo...:

What is the Lock Modes/States for Apartment Function?

Resolution: AD Series UI Matrix:

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“ entry lock and classroom lock ”

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