Samsung SMM-15FDQ User Manual page 23

6. Adjust the direction of the lens.
1) Use the cross (+) screw driver to turn the screw (indicated by the arrow in the illustration)
counterclockwise slightly. The lens body will move.
2) Tilt the lens body down about 10° from the horizontal, and then turn the screw clockwise to fasten it.
7. Assemble the assy-case front onto the case-rear as shown in the illustration. Fasten the assy-case
front to the case-rear with the screw (BH M2.6) you removed earlier.
CASE-REAR
Screw (BH M2.6)
ASSY-CASE FRONT
English-23
Screw (HB M4 x L8)