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2.  LAN5 and LAK4D Installation 
Step 1: 
Align a bolt on LAK4D controller with a notch on LAN5 to insert downward(Fig. 1). There is a tube-bolt circled   
in the fig.2 to fix an actuator and controller. 
 
Fig. 1 
 
   
Fig. 2 
 
Step 2:(Release of LAK4D Fixer) 
a.  Putting the plug of Handset in the socket of Controller(The housing is made ”KP”)and Putting the plug of   
Actuator in the socket of Controller(The socket is made ”1~4”)。 
b.  After inserting connectors of an actuator and a key box,vertically insert back the fixer on LAK4D   
controller (A) , and then fasten the up fixer and down fixer on LAK4D controller (Fig. 3). Before inserting   
the main power cord,rotate out the locker (B) along the arrow direction to insert power cord (Fig. 3) and   
then pull it back (Fig. 3) along the arrow direction.