Optoma ThemeScene HD3000, User Manual

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Connections and Setup
When using a normal screen (4:3) project the image to the full horizontal width of the 4:3 screen.
3
4
: Screen area
: Picture area
The formula for screen size and projection distance
Screen Size (4:3) Projection Distance
Distance from lens center to
the lower edge of the image
Diagonal Width Height Max Min upper lower
250" (635 cm) 200" (508 cm) 150" (381 cm) 28'8" (8.7 m) 22'10" (7.0 m) 0” (0 cm) -9’5” (-286 cm)
200" (508 cm) 160" (406 cm) 120" (305 cm) 22'11" (7.0 m) 18'3" (5.6 m) 0” (0 cm) -7’6” (-229 cm)
150" (381 cm) 120" (305 cm) 90" (229 cm) 17'2" (5.2 m) 13'8" (4.2 m) 0” (0 cm) -5’8” (-171 cm)
133" (338 cm) 106" (270 cm) 80" (203 cm) 15'3" (4.6 m) 12'2" (3.7 m) 0” (0 cm) -5’0” (-152 cm)
106" (269 cm) 85" (215 cm) 64" (162 cm) 12'2" (3.7 m) 9'8" (3.0 m) 0” (0 cm) -4’0” (-121 cm)
100" (254 cm) 80" (203 cm) 60" (152 cm) 11'6" (3.5 m) 9'2" (2.8 m) 0” (0 cm) -3’9” (-114 cm)
92" (234 cm) 74" (187 cm) 55" (140 cm) 10'7" (3.2 m) 8'5" (2.6 m) 0” (0 cm) -3’5” (-105 cm)
84" (213 cm) 67" (171 cm) 50" (128cm) 9'8" (2.9 m) 7'8" (2.3 m) 0” (0 cm) -3’2” (-96 cm)
72" (183 cm) 58" (146 cm) 43" (110 cm) 8'3" (2.5 m) 6'7" (2.0 m) 0” (0 cm) -2’8” (-82 cm)
60" (152 cm) 48" (122 cm) 36" (91 cm) 6'11" (2.1 m) 5'6" (1.7 m) 0” (0 cm) -2’3” (-69 cm)
40" (102 cm) 32" (81 cm) 24" (61 cm) 4'7" (1.4 m) 3'8" (1.1 m) 0” (0 cm) -1’6” (-46 cm)
y1 (Max.) = 0.03466592x
y2 (Min.) = 0.0276352x
z1 (Upper) = 0
z2 (Lower) = 1.143x x: Screen size (diag.) (meter)
y: Projection distance (feet)
z: Distance from the lens center to the lower
edge of the image (centimeter)
Notes
• There is a tolerance of ±3% in the formula above.
• Values with a minus (–) sign indicate the distance of the lens center below
the bottom of the image.