NEC GT2150 - Manual (Page 23)

E – 13
Lens Shift Adjustable Range
Desktop/Front
Vertical
Ceiling/Front
Vertical
Normal position
Normal position
Normal position
Horizontal
0.5V
(0.43V)
0.5V
(0.43V)
0.25H
0.25H
0.5V
(0.43V)
0.5V
(0.43V)
0.5V
(0.43V)
0.5V
(0.43V)
0.25H
0.25H 0.25H
Maximum Possible Range for GT19ZL/GT34ZL (GT13ZL):
Up: 0.5 V (0.43V)
Down: 0.5 V (0.43V)
Right: 0.25 H
Left: 0.25 H
(H: width of projected image, V: height of projected image)
NOTE: If lens is shifted in two directions combined, maximum range in either
direction cannot be obtained due to rounded off area near edge of lens. (ex-
ample: shift up and right) See diagram below.
Normal projection
position
Lens Shift 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.
NOTE: Lens shift feature is not available on GT10RL(fixed lens).