Panasonic ET-PKL300B Installation Instructions Manual page 12

Standard installation dimensions (continued)
Projection distance for PT-TX300 and PT-TX301R
J
All measurements below are approximate and may differ slightly from the actual measurements. (unit: m ("))
Projection size
Screen diagonal (SD) Projection distance (L)
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")
Calculation formulas for projection distance
Q
Any other projection distance can be obtained according to the screen dimensions (m) using the following
calculations. The calculation result is with the "m" unit. (The calculated distance below may contain a certain
error.) If the screen dimensions are written as "SD",
Screen height (SH)
Screen width (SW)
Projection distance (L)
Note
z The throw ratio is 0.63:1 when the projection size is 2.54m (100").
12 - ENGLISH
For 4:3 aspect ratio
Height position (H)
0.51 (1'8") 0.09 (4")
0.64 (2'1") 0.11 (4")
0.76 (2'6") 0.14 (6")
0.89 (2'11") 0.16 (6")
1.02 (3'4") 0.18 (7")
1.14 (3'9") 0.21 (8")
1.27 (4'2") 0.23 (9")
1.53 (5') 0.27 (11")
1.91 (6'3") 0.34 (1'1")
2.54 (8'4") 0.46 (1'6")
For 4:3 aspect ratio
= SD × 0.6
= SD × 0.8
= 0.5008 × SD
For 16:9 aspect ratio
Projection distance (L) Height position (H)
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0.69 (2'3") 0.23 (9")
0.83 (2'9") 0.27 (11")
0.97 (3'2") 0.32 (1'1")
1.11 (3'8") 0.37 (1'3")
1.25 (4'1") 0.41 (1'4")
1.39 (4'7") 0.46 (1'6")
1.66 (5'5") 0.55 (1'10")
2.08 (6'10") 0.68 (2'3")
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For 16:9 aspect ratio
= SD × 0.490
= SD × 0.872
= 0.5456 × SD
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