Latchbolt operated by knob/lever
from either side unless outside is
l o c k e d b y i n s i d e t h u m b t u r n .
Operating inside knob/lever or
c l o s i n g d o o r u n l o c k s o u t s i d e
knob/lever. To unlock from outside
insert emergency turn mechanism
furnished with lock put in hole to
rotate. Inside lever is always free for
immediate egress.