Lenovo smart lock X3 User Manual page 7

6.3 : LOCK THE DOOR INTERNALLY
6.3.1 : HANDLE LOCK
Turn the handle to right to lock the door
6.6 : EMERGENCY OPENING METHOD
6.3.2 : DOUBLE LOCK
Turn the knob which the door can't unlock
from outdoor
6.4 : LOCK BUTTON
Press the lock button to lock the door.
6.5 : AUTOMATICALLY LOCK
After the door closing sensing tongue is pressed, the main
tongue will be automatically released, and the door will be
locked automatically.
6.6.1 : MECHANICAL KEY
In case of emergency such as forgetting the password,
running out of battery power or the system cannot
operate, you can use the mechanical key to unlock the
door.
a. Insert the mechanical key into the spare mechanical
key port under the handle.
b. After turning the key, press down the handle to
unlock the lock.
6.6.1 : MICRO USB POWER SUPPLY
When the battery runs out and there is no brass key, you
can connect an external rechargeable battery or 5V1A
power supply for emergency power supply, and open the
door according to the normal operation steps. After
opening the door with emergency power, please replace
the battery in the lock in time.