Panasonic PTDW7000U Dlp Projector - English/ French - Page 22
Calculation formulas for projection distance by lens types for PT-D7700U
View all Panasonic PTDW7000U manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 22 highlights
Installation 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. Calculation formulas for projection distance by lens types (for PT-D7700U) Model number of projection lens Aspect ratio Projection distance (L) formula Units: m ET-D75LE1 (1.5-2.0 :1) 4:3 Minimal distance: L=0.0307 x Screen diagonal (inch) - 0.0760 Maximal distance: L=0.0410 x Screen diagonal (inch) - 0.1004 16:9 Minimal distance: L=0.0334 x Screen diagonal (inch) - 0.0760 Maximal distance: L=0.0446 x Screen diagonal (inch) - 0.1004 ET-D75LE2 (2.0-3.0 :1) 4:3 Minimal distance: L=0.0412 x Screen diagonal (inch) - 0.0795 Maximal distance: L=0.0617 x Screen diagonal (inch) - 0.1064 16:9 Minimal distance: L=0.0448 x Screen diagonal (inch) - 0.0795 Maximal distance: L=0.0672 x Screen diagonal (inch) - 0.1064 Zoom lens ET-D75LE3 (3.0-5.0 :1) 4:3 Minimal distance: L=0.0617 x Screen diagonal (inch) - 0.0958 Maximal distance: L=0.1031 x Screen diagonal (inch) - 0.1216 16:9 Minimal distance: L=0.0672 x Screen diagonal (inch) - 0.0958 Maximal distance: L=0.1123 x Screen diagonal (inch) - 0.1216 ET-D75LE4 (5.0-8.0 :1) 4:3 Minimal distance: L=0.1031 x Screen diagonal (inch) - 0.1158 Maximal distance: L=0.1639 x Screen diagonal (inch) - 0.1013 16:9 Minimal distance: L=0.1123 x Screen diagonal (inch) - 0.1158 Maximal distance: L=0.1786 x Screen diagonal (inch) - 0.1013 ET-D75LE8 (8.0-15.0 :1) 4:3 Minimal distance: L=0.1640 x Screen diagonal (inch) - 0.3862 Maximal distance: L=0.3072 x Screen diagonal (inch) - 0.3598 16:9 Minimal distance: L=0.1786 x Screen diagonal (inch) - 0.3862 Maximal distance: L=0.3346 x Screen diagonal (inch) - 0.3598 Fixedfocus lens ET-D75LE5 (0.8:1) 4:3 L= 0.0158 x Screen diagonal (inch) - 0.0835 16:9 L= 0.0172 x Screen diagonal (inch) - 0.0835 22