NEC MultiSync LT 100 User Manual page 18

Desk top
Ceiling mount
INSTALLATION
C
A
α
Projector base
C
Projector base
α
A
Screen top
Screen center
Screen
Screen center
E
D
Screen bottom
B
3.8"
(96.64mm)
3.8"
(96.64mm)
B
D
E
Unit (inch)
H (inch) = Width of screen
A = C / cosα
B = 3.7H / 25.4
C (WIDE) = (2.026 H) – 2.437
C (TELE) = C (WIDE) 1.3
D = E / 2
E = H / 4 3
Unit (mm)
H (inch) = Width of screen
A = C / cosα
B = 3.7H
C (WIDE) ={(2.026 H) – 2.437}
C (TELE) = C (WIDE) 1.3
D = E / 2
E = H / 4 3
A : Distance between lens center and
screen center
B : Vertical distance between lens center
and screen bottom (screen top for ceil-
ing mount)
C : Horizontal throw distance between
screen surface and projector lens
D : Vertical distance between screen
center and screen bottom (screen top
for ceiling mount)
E : Screen Height
33
25.4
34