Outside : Opened by handle when unlocked. Lever withdraws
latchbolt. Key locks or unlocks bolt, key withdraws latchbolt.
Inside : Opened by handle when unlocked. Lever handle at
one side withdraws latchbolt. Key or turn locks to unlocks
the bolt, key or turn locks to withdraw latchbolt.
Outside : Outside handle is made inoperative by key or turn from
inside or key from outside. Key locks or unlocks the outside handle only.
Inside : Opened by handle at all times.
The DM 1130 Sliding Door Mortice Lockset
combines generously proportioned internal
& external D handles with the flexibility of
a 35mm backset, twin beak mortice lock