User Guide

20
Installation
Installation geometry
When planning the projector and screen geometry, refer to the figures below and the information on the next page
for reference. After the projector is roughly positioned, picture size and vertical picture positioning can be finely
adjusted with the powered zoom lens and lens shifting mechanism.
H
SH
L
L
H
Side view
When optional ceiling
mount bracket (ET-PKD75)
Screen
(unit: mm/inch)
438-558
(17.2"-21.9")
237
(9.3")
L
SW
314
86
140
175
468
117
L1
Top view
Screen
(unit: mm/inch)
(18.4")
(5.5")
(12.3")
(3.4")
(6.9")
(4.6")
L : Projection distance
SH : Height of the image
SW : Image width
H (0 to SH) : Vertical distance between the lens center level and the
bottom edge of the projected image
Lens Dimension of L1 (Approx.)
ET-D75LE1 102 (4")
ET-D75LE2 86.5 (3.4")
ET-D75LE3 90 (3.5")
ET-D75LE4 113.9 (4.5")
ET-D75LE5 190 (7.5")