Sharp PG-D120U PG-D120U Operation Manual - Page 10

Projector Distance and Picture Size Relationship s The zoom lens allows adjustment of the image size within the projector's range. s For optimum picture adjustment, the projector should be placed and adjusted at a distance between 5.1 ft to 56.3 ft from the screen. Distance from screen Picture size: 100 inches (254 cm) Zoom adjustment range: 18.4 ft to 13.1 ft Picture size (diag.) 300 inches 150 inches 100 inches 80 inches 60 Inches 40 inches Projection distance (L) Maximum projection distance Minimum projection distance 56.3 ft (17.2 m) 40.0 ft (12.2 m) 28.0 ft (8.5 m) 19.9 ft (6.1 m) 18.5 ft (5.7 m) 13.1 ft (4.0 m) 14.8 ft (4.5 m) 10.4 ft (3.2 m) 11.0 ft (3.4 m) 7.8 ft (2.4 m) 7.2 ft (2.2 m) 5.1 ft (1.5 m) The formula for picture size and projection distance y1 = 0.0575 x - 0.097 y = 0.041 x - 0.0943 2 x : Picture size (diag.) (inches) y1 : Maximum projection distance (m) y2 : Minimum projection distance (m) Note: There is an error of ± 4 inches (± 10 cm) in the formula above. 90° 90° Lens Diagram shows the lens shift position set at the center factory. ¡ ¡ Minimum L: 13.1 ft (4.0 m) Maximum L: 18.5 ft (5.7 m) Distance between lens and screen: Projection distance (L) • Above is an illustration of maximum and minimum projection distances for the PG-D100U with a picture size of 100 inches. Move the projector forward or back if the edges of the image are distorted. Height of projector s Adjust to match the setup configuration. Screen Lens center H Rack/ stand Lower edge of screen (white portion) Picture size (diag.) 300 inches 150 inches 100 inches 80 inches 60 Inches 40 inches Distance from lens center to lower edge of screen (H) 25 63/64 inches (66 cm) 12 63/64 inches (33 cm) 8 21/32 inches (22 cm) 7 3/32 inches (18 cm) 5 1/8 inches (13 cm) 3 35/64 inches (9 cm) • Ceiling Mount When the projector is in the inverted position, use the upper edge of the screen as the base line. High edge of screen H ¡ Note: • Optimal image quality can be achieved with the projector positioned perpendicular to the screen. E-10 Lens center