NEC
Solutions
(America),
Inc.
Visual Systems
Installation Data for
Nighthawk XT4100/5000/5100
v 3.5
www.necvisualsystems.com
Page 4 of 11
Lens Shift Adjustable Range
Lens Shift Adjustable Range for Desktop and Ceiling Mount Application.
The diagram below shows the location of the image position in the lens. The lens can be shifted within the shaded area as shown
using the normal projection position as a starting point.
Maximum Possible Range for TL-1Z, TL-2Z and TL-4Z
Maximum Possible Range:
Up: 0.5V
Down: 0.32V (only if image is shifted right first)
Right: 0.3H
Left:
0.23H (only if image is shifted up first)
Normal Position
0.5V
Desktop/Front
Vertical
Max.
Note
: There is a mechanical limitation to shift down without
first shifting right, and left without first shifting up. (Refer to
diagram)
H: width of projected image
V: height of projected image
Normal projection
position
0.23H
0.3H
0.5V
0.32V
Maximum Possible Range:
Up:
0.32V (only of image is shifted left first)
Down: 0.5V
Right: 0.23H (only if image is shifted down first)
Left: 0.3H
0.5V
Normal Position
Ceiling/Front
Vertical
Max.
Note:
There is a mechanical limitation to shift up without first
shifting left, and right without first shifting down. (Refer to
diagram)
H: width of projected image
V: height of projected image
0.23H
0.3H
Normal projection
position
0.32V
0.5V
