Getting Started
Setting up
ENGLISH - 8
Geometric adjustment
VERTICAL KEYSTONE HORIZONTAL KEYSTONE
(Side view) (Top view)
VERTICAL ARC HORIZONTAL ARC
(Side view) (Top view)
L2: Projection distance R2: Radius of the circle
(Side view) (Top view)
L3: Projection distance R3: Radius of the circle
Standard ET-DLE055 ET-DLE150 ET-DLE250 ET-DLE350 ET-DLE450
Keystone
correction
VERTICAL KEYSTONE
Correction angle α (° )
40 30 40 40 40 40
HORIZONTAL KEYSTONE
Correction angle β (° )
15 15 15 15 15 15
Keystone and arc
correction
VERTICAL KEYSTONE
Correction angle α (° )
5 5 5 5 10 10
HORIZONTAL KEYSTONE
Correction angle β (° )
5 5 5 5 10 15
R2/L2 minimum value 1.2 3 1.6 1.2 0.8 0.6
R3/L3 minimum value 2.4 6 3.2 2.4 1.6 1
Arc
correction
R2/L2 minimum value 0.6 1.5 0.8 0.6 0.4 0.3
R3/L3 minimum value 1.2 4.3 1.6 1.2 0.8 0.5
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.
Screen Screen
Screen
Screen
Screen
Screen
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