3-Chip DLP -based Projector Operating Instructions

ENGLISH – 21
Getting Started
Projected range using geometric adjustment
z
VERTICAL KEYSTONE HORIZONTAL KEYSTONE
Side View Top View
α
Screen
β
Screen
VERTICAL ARC HORIZONTAL ARC
Side View Top View
L2
R2
Screen
L2 : Projection distance
R2 : Radius of the circle
L2
R2
Screen
L2 : Projection distance
R2 : Radius of the circle
Side View Top View
L3
R3
Center of the
circle
Screen
L3 : Projection distance
R3 : Radius of the circle
L3
R3
Center of the
circle
Screen
L3 : Projection distance
R3 : Radius of the circle
Lens
Keystone correction only When using arc and keystone correction together Arc correction only
Vertical
Keystone
Correction
Angle α( ° )
Horizontal
Keystone
Correction
Angle β( ° )
Vertical
Keystone
Correction
Angle α( ° )
Horizontal
Keystone
Correction
Angle β( ° )
R2/L2
minimum
value
R3/L3
minimum
value
R2/L2
minimum
value
R3/L3
minimum
value
ET-D75LE1 ±40 ±15 ±5 ±5 1.6 3.2 0.8 1.6
ET-D75LE2 ±40 ±15 ±5 ±5 1.2 2.4 0.6 1.2
ET-D75LE3 ±40 ±15 ±10 ±10 0.8 1.6 0.4 0.8
ET-D75LE4 ±40 ±15 ±10 ±15 0.6 1.0 0.3 0.5
ET-D75LE5 ±22 ±15 ±5 ±5 3.0 6.0 1.5 3.0
ET-D75LE6 ±28 ±10 ±5 ±5 2.4 4.8 1.2 2.4
ET-D75LE8 ±40 ±15 ±10 ±15 0.4 0.8 0.2 0.4
Note
When using geometric adjustment, if the amount of compensation is too great, excessive blurring may result.•
The curved screens illustrated are simply sections of a full circle.•