ABBRE-CIATION FUNCTION DIAGRAM CODE DIRECTIONS
ET Entrance / Office Lock -1 Both knobs operate latch bolt when unlocked.
Outside knob can be locked by the inside push button.
Key retracts latch bolt when outside knob is locked.
Inside knob always active.
Both knobs operate latch bolt when unlocked.
Outside knob can be locked by the inside push/turn button.
BK Privacy / Bed / Bath -2 Unlock door from outside when turning emergency slot.
Inside knob always active.
PS Passage / Hall / Closet -3 Both knobs always free to operate latch bolt.
DM Dummy 0 Dummy trim for one side of door pull function
ST Storeroom -4 Deadlocking latch bolt.
Only the inside knob and outside key can operate latch bolt
Outside knob always rigid, Inside knob always free providing emergency exit.
CL Classroom -5 Latch operated by knob/lever from either side except when outside knob/lever is locked by key from outside.
Inside knob/lever always free providing emergency exit.
CM Communication -6 Intended for communicating doors requiring deadlocking latch bolt.
Key in either knob locks and unlocks each knob independently.
HT Hotel / Motel -7 Latch bolt operated by knob from inside and by key from outside.
Outside knob always rigid.
Push button in inside knob shuts out all keys except emergency key and projects visual occupancy indicator in cylinder face.

 

 

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