Setting up
ENGLISH - 31
Getting Started

If the projector is used with a screen size not listed in this manual, check the diagonal dimension (inch) of your

screen and calculate the projection distance using the following formulas.

JCalculation formulas for projection distance by lens types
(for PT-DZ8700U)
Model number of
projection lens Throw ratio Aspect ratio Projection distance (L) formula Unit : m
Zoom lens
ET-D75LE1
1.4–1.8 : 1 16 : 10 Min. : L = 0.0298 × SD (")
-
0.0760
Max. : L = 0.0399 × SD (")
-
0.1004
1.4–1.8 : 1 16 : 9 Min. : L = 0.0307 × SD (")
-
0.0760
Max. : L = 0.0410 × SD (")
-
0.1004
1.6–2.2 : 1 4 : 3 Min. : L = 0.0338 × SD (")
-
0.0760
Max. : L = 0.0451 × SD (")
-
0.1004
ET-D75LE2
1.8–2.8 : 1 16 : 10 Min. : L = 0.0400 × SD (")
-
0.0795
Max. : L = 0.0601 × SD (")
-
0.1064
1.8–2.8 : 1 16 : 9 Min. : L = 0.0412 × SD (")
-
0.0795
Max. : L = 0.0617 × SD (")
-
0.1064
2.2–3.3 : 1 4 : 3 Min. : L = 0.0453 × SD (")
-
0.0795
Max. : L = 0.0680 × SD (")
-
0.1064
ET-D75LE3
2.8–4.6 : 1 16 : 10 Min. : L = 0.0601 × SD (")
-
0.0958
Max. : L = 0.1003 × SD (")
-
0.1216
2.8–4.6 : 1 16 : 9 Min. : L = 0.0617 × SD (")
-
0.0958
Max. : L = 0.1031 × SD (")
-
0.1216
3.3–5.6 : 1 4 : 3 Min. : L = 0.0680 × SD (")
-
0.0958
Max. : L = 0.1136 × SD (")
-
0.1216
ET-D75LE4
4.6–7.4 : 1 16 : 10 Min. : L = 0.1003 × SD (")
-
0.1158
Max. : L = 0.1595 × SD (")
-
0.1013
4.6–7.4 : 1 16 : 9 Min. : L = 0.1031 × SD (")
-
0.1158
Max. : L = 0.1639 × SD (")
-
0.1013
5.6–8.9 : 1 4 : 3 Min. : L = 0.1136 × SD (")
-
0.1158
Max. : L = 0.1806 × SD (")
-
0.1013
ET-D75LE8
7.3–13.8 : 1 16 : 10 Min. : L = 0.1595 × SD (")
-
0.3862
Max. : L = 0.2989 × SD (")
-
0.3598
7.3–13.8 : 1 16 : 9 Min. : L = 0.1640 × SD (")
-
0.3862
Max. : L = 0.3072 × SD (")
-
0.3598
8.8–16.5 : 1 4 : 3 Min. : L = 0.1806 × SD (")
-
0.3862
Max. : L = 0.3383 × SD (")
-
0.3598
ET-D75LE6
0.9–1.1 : 1 16 : 10 Min. : L = 0.0201 × SD (")
-
0.0566
Max. : L = 0.0241 × SD (")
-
0.0736
0.9–1.1 : 1 16 : 9 Min. : L = 0.0207 × SD (")
-
0.0566
Max. : L = 0.0248 × SD (")
-
0.0736
1.1–1.3 : 1 4 : 3 Min. : L = 0.0228 × SD (")
-
0.0566
Max. : L = 0.0273 × SD (")
-
0.0736
ET-D75LE10
1.3–1.7 : 1 16 : 10 Min. : L = 0.0284 × SD (")
-
0.0857
Max. : L = 0.0367 × SD (")
-
0.1085
1.3–1.7 : 1 16 : 9 Min. : L = 0.0292 × SD (")
-
0.0857
Max. : L = 0.0377 × SD (")
-
0.1085
1.6–2.0 : 1 4 : 3 Min. : L = 0.0322 × SD (")
-
0.0857
Max. : L = 0.0416 × SD (")
-
0.1085
ET-D75LE20
1.7–2.4 : 1 16 : 10 Min. : L = 0.0364 × SD (")
-
0.0832
Max. : L = 0.0528 × SD (")
-
0.1162
1.7–2.4 : 1 16 : 9 Min. : L = 0.0374 × SD (")
-
0.0832
Max. : L = 0.0543 × SD (")
-
0.1162
2.0–2.9 : 1 4 : 3 Min. : L = 0.0412 × SD (")
-
0.0832
Max. : L = 0.0598 × SD (")
-
0.1162
ET-D75LE30
2.4–4.7 : 1 16 : 10 Min. : L = 0.0524 × SD (")
-
0.1131
Max. : L = 0.1017 × SD (")
-
0.1765
2.4–4.7 : 1 16 : 9 Min. : L = 0.0539 × SD (")
-
0.1131
Max. : L = 0.1045 × SD (")
-
0.1765
2.9–5.6 : 1 4 : 3 Min. : L = 0.0594 × SD (")
-
0.1131
Max. : L = 0.1151 × SD (")
-
0.1765
Fixed-
focus lens
ET-D75LE5
0.7 : 1 16 : 10 L = 0.0154 × SD (")
-
0.0835
0.7 : 1 16 : 9 L = 0.0158 × SD (")
-
0.0835
0.8 : 1 4 : 3 L = 0.0174 × SD (")
-
0.0835