NEC NP-UM330X NP04WK1 Installation Manual - Page 18

5. Adjust in the vertical direction. Loosen the fixing screw (A), then hold the base of the arm and move the arm upwards, targeting the reference line. Adjust so that the projected image is at the center of the screen surface. * If the projected image moves too far upwards with respect to the screen surface, it is easier to adjust by first holding the base of the arm and lowering the arm, then moving it back upwards. - The arm unit uses spring power to reduce the load when moving it upward. - The adjustment range is ±40 mm. Reference line Fixing screw (A) Arm unit Upwards Downwards WARNING - When lowering the arm for adjustment, be sure to hold it at its base. If held at any other position while performing the adjustment, the arm could be damaged or fall, resulting in injury. 6. Adjust in the horizontal Wall adapter screws direction. If the projected image is off the screen to one of the sides, slightly loosen the four screws of the wall adapter, then slide the wall adapter to adjust. - The adjustment range is ±50 mm. Wall adapter Wall adapter screws Right Left WARNING - Do not loosen the screws too much. Doing so could damage the fitting or cause it to fall, resulting in injury. ENG-17