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Getting Started
ENGLISH - 17
Setting up
You can adjust the projection size with 1.2x zoom lens. Calculate and define the throw distance as follows.
* All measurements above are approximate and may differ slightly from the actual measurements.
J Calculation methods for screen dimensions
You can calculate more detailed screen dimension from the screen diagonal.
Screen width (SW) and screen height (SH)
SW (m) = SD (") x 0.0203 SH (m) = SD (") x 0.0152
Minimum distance (LW) and maximum distance (LT)
PT-LB80NTE: LW (m) = 0.0296 x SD (") - 0.039 LT (m) = 0.0358 x SD (") - 0.047
PT-LB75NTE: LW (m) = 0.0292 x SD (") - 0.036 LT (m) = 0.0351 x SD (") - 0.044
* The results above are approximate and may differ slightly from the actual measurements.
Screen size and throw distance
Projection size
(4 : 3)
Throw distance (L)
PT-LB80NTE / LB80E
Throw distance (L)
PT-LB78E / LB75NTE / LB75E
Screen diagonal
(SD)
Minimum distance
(LW)
Maximum distance
(LT)
Minimum distance
(LW)
Maximum distance
(LT)
33" (0.84 m) 1.1 m (3'7") 1.1 m (3'7")
40" (1.02 m) 1.1 m (3'7") 1.4 m (4'7") 1.1 m (3'7") 1.4 m (4'7")
50" (1.27 m) 1.4 m (4'7") 1.7 m (5'6") 1.4 m (4'7") 1.7 m (5'6")
60" (1.52 m) 1.7 m (5'6") 2.1 m (6'10") 1.7 m (5'6") 2.1 m (6'10")
70" (1.78 m) 2.0 m (6'6") 2.5 m (8'2") 2.0 m (6'6") 2.4 m (7'10")
80" (2.03 m) 2.3 m (7'6") 2.8 m (9'2") 2.3 m (7'6") 2.8 m (9'2")
90" (2.29 m) 2.6 m (8'6") 3.2 m (10'5") 2.6 m (8'6") 3.1 m (10'2")
100" (2.54 m) 2.9 m (9'6") 3.5 m (11'5") 2.9 m (9'6") 3.5 m (11'5")
120" (3.05 m) 3.5 m (11'5") 4.2 m (13'9") 3.5 m (11'5") 4.2 m (13'9")
150" (3.81 m) 4.4 m (14'5") 5.3 m (17'4") 4.3 m (14'1") 5.2 m (17')
200" (5.08 m) 5.9 m (19'4") 7.1 m (23'3") 5.8 m (19') 7.0 m (22'11")
250" (6.35 m) 7.4 m (24'3") 8.9 m (29'2") 7.3 m (23'11") 8.7 m (28'6")
300" (7.62 m) 8.8 m (28'10") 10.7 m (35'1") 8.7 m (28'6") 10.5 m (34'5")
NOTE:
• See “Screen size and throw distance for 16:9 aspect ratio” on page 49.
• Do not use the projector at a raised or a horizontally tilted position as it may cause
malfunction of the projector.
• You can tilt the projector body approximately ± 30° vertically. Overtilting may result in
shortening the component’s life.
• For the best quality of the projection image, install a screen where sun light or room light
does not shine directly onto the screen. Close window shades or curtains to block the lights.
88.6
SD
SW
SH
Screen
Projected image