Screen Size And Throw Distance - Panasonic PT-RZ475EA Operating Instructions Manual

Screen size and throw distance

Refer to the following figures and table describing projection distances to install the projector. Image size and image position can be adjusted
in accordance with the screen size and screen position.
L
SH
SW
SD
Attention
f Before setting up, read "Precautions for use" (x page 15).
f Do not use the projector and high-powered laser equipment in the same room. The DLP chips can be damaged if a laser beam hits the lens
surface.
Projection distance
(The dimensions of the following table contain a slight error.)
Projection screen
size
Diagonal (SD)
1.02 (40")
1.27 (50")
1.52 (60")
1.78 (70")
2.03 (80")
2.29 (90")
2.54 (100")
3.05 (120")
3.81 (150")
5.08 (200")
Projection distance formulas
To use a screen size not listed in this manual, check the screen size SD (m) and use the following formula to calculate projection distance.
Unit for calculations: m (The values of the following calculation results contain a slight error.)
Screen size Height (SH)
Screen size Width (SW)
Projection distance (L)
28 - ENGLISH
Chapter 2 Getting Started — Setting up
Projection screen
SW
Projection distance (m)
Image height (m)
Image width (m)
Image diagonal size (m)
4:3 aspect ratio
Projection distance
(L)
0.83 (2.73')
1.05 (3.46')
1.27 (4.18')
1.49 (4.90')
1.71 (5.62')
1.93 (6.35')
2.15 (7.07')
2.60 (8.51')
3.26 (10.68')
4.36 (14.29')
4:3 aspect ratio
= SD x 0.6
= SD x 0.8
= 0.8670 x SD - 0.0476
Screen
L
L
Screen
16:9 aspect ratio
Projection distance
(L)
0.67 (2.21')
0.85 (2.80')
1.03 (3.39')
1.21 (3.98')
1.39 (4.57')
1.57 (5.16')
1.75 (5.75')
2.11 (6.93')
2.65 (8.70')
3.55 (11.65')
16:9 aspect ratio
= SD x 0.490
= SD x 0.872
= 0.7084 x SD - 0.0476
(Unit: m)
16:10 aspect ratio
Projection distance
(L)
0.73 (2.40')
0.93 (3.03')
1.12 (3.67')
1.31 (4.31')
1.51 (4.95')
1.70 (5.59')
1.90 (6.23')
2.29 (7.50')
2.87 (9.42')
3.84 (12.61')
16:10 aspect ratio
= SD x 0.530
= SD x 0.848
= 0.7659 x SD - 0.0476