Kramer Electronics VP-790 - Manual (Page 11)

VP-790 Blending Images – Setting Blend Width 9
Figure 8: Blend Width Correctly Adjusted
You must set the number of blend width pixels to the same number
for both processors. The blend will work properly even if the lines in
U
Figure 8
U
do not align completely and even if the lines do not exactly
match the overlap for one projector this just indicates that the optical
zoom of the projectors is not matched.
i