Daktronics AB-1600-1.5,2.5 - Manual (Page 23)

Mechanical Installation
2-7
Ensure that the rows of louvers align properly. If any rows seem out of position this may indicate that
one, or both, sides of the lens/reflector assembly are not fully engaged into the cabinet. If this is the
case, a firm push to both sides of the module at the same time should snap the module into place.
Figure 21 : Correct Lens Position