Barco R9001960 - Manual (Page 15)

2. Installation Guidelines
Image 2-1
B Distance between ceiling and top of the screen or between floor and bottom of the screen.
A Correction value, distance between bottom side of projector (without feet) and middle of the lens. Value to be subtracted from
B to obtain the correct installation position. (A value is a constant value for all screen widths and type of lenses, A = 124.1 mm
or 4.89 inch)
CD Total distance between projector and ceiling or projector and floor.
SW Screen width
SH Screen height (image height)
PD Projector distance, distance between screen and projector
2.3 Lenses
Overview
• Lenses
• Lens selection
• Lens formulas
• Lens installation
• Cleaning the lens
R5976182 BARCOREALITY 6500 30012001 11