what is apartment mode?

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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...
Both adaptors are used on the B250 Series for doors prepped with a 2-1/8" bored hole instead of the 1-1/2" bored hole. 38-031 is a light gauge ring for use under a cylinder, diameter is 2 1/2" ...
Use the 575-2 strike with 9975 device on a pair of 1 3/4" thick doors with overlapping astragal mounting on the exterior of the active door. The strike lip has been cut off to eliminate any interfe...
Door automatically unlocks when opened and does not re-lock. Credential must be presented to lock’s exterior or an interior buttom must be presented to re-lock door.