How to detach TV set from Wall Mount Bracket SU-WL400?

The fitting area has crank structure which prevents the TV set from detaching from the base of Wall Mount Bracket by accident or disaster such as earthquake. Please lift up TV set to the direction indicated by the label on the top right of Wall Mount Bracket.

Direction:
 
Step 1: Lift up the TV set to right-upper direction



Step 2: Lift up the TV set to upper direction



Step 3: Lift up the TV set to left-upper direction