Epson EB-1460Ui - Manual (Page 51)

Installation Guide
50
h
After loosening the adjustment dial at the bottom, adjust the vertical tilt using the
adjustment dial at the top.
After you finish making adjustments, tighten the adjustment dial at the bottom.
i
Loosen the M4 bolt with the hexagon wrench, and then adjust the horizontal slide
After you finish making adjustments, tighten the M4 bolt that you loosened.