-4-
3.
Adjust the screen profiles to obtain a right angle and tighten the "A" screws (Fig. 5). If the frame profiles do
not form a single plane, use the "B" screws (Fig. 4) to calibrate the profile by tightening one of the screws to get
as equal plane as possible, as shown in Figure 6.
Fig.5
Fig.6
4.
After assembling the frame (Figure 7), spread the projection surface so that the surface welds are visible from
above. Straighten the surface (Fig. 8).
Fig. 7
Fig. 8
