Mortise locks
ND-M
Series
M700, M710, M711
H1000, H1100, H1200,
H1300, H1310, H1320
User Manual
If it is a key door lock, keep the key with in your reach in
case of emergency.
Retain this user manual for future reference after reading it
thoroughly.
A non-key door lock may be partially broken to open the door
when it malfunctions.