Samsung VMR-O P3.9 Product Manual page 46

E.1.6 Locate the left and right locks and unlock them. Turn the lock lever handle
according to the UNLOCK direction of the cabinet to the point where it cannot be
rotated. Then push the lock piece pointed by the arrow to unlock it, as shown below:
E.2.1 Initial state: When the cabinet is installed, the position of the upper right lock
lever is as shown below.
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