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18
Ceiling Installation
Installing your MultiSync Hivid 3500 Projector on the ceiling
must be done by a qualified technician. Contact your NEC
dealer for more information.
Do not attempt to install the projector yourself.
The following shows the proper relative positions of the
projector and screen. Refer to the table to determine the
position of installation.
Install in such a way that the projector and screen are posi-
tioned in the proper direction and at the proper angle. If not,
NOTE: “Vertical Offset” refers to as movable range between lens center and screen center. Vertical offset is decided by ratio of screen
height (V).
Example: When using a 100" screen (4:3) with the lens (XL-L 1.27), you can get 30 inches of your vertical offset by using the
formula (100 x 3/5 x 1/2) and you can make your screen height larger by 30 inches.
*For screen sizes between 80" and 500" not indicated on the above table, use the following proportional formula:
Diagonal screen size (4:3) x 4/5 = Screen width
W(Screen width) x magnification = Projection distance
Unit=inches
NOTE: The margin of error for projection distance is +/- 3% in fixed-focal-length lens and +/- 5% in zoom lens.
Model No.
Model No.
Fixed focal length lens
Zoom lens
Magnification
1.27:1
3.0:1 5.0:1 7.0:1
Zoom1.5-3.0 Zoom3.0-7.0
XL-L1.27
XL-L3 XL-L5 XL-L7
XL-L1.5Z XL-L3Z
2580mm
102in
6100mm
240in
10160mm
400in
14220mm
560in
3,050-6,100mm
120-240in
6,100-14,220mm
240-600in
5160mm
203in
12190mm
480in
20320mm
800in
28450mm
1120in
6,100-12,190mm
240-480in
12,190-28,450mm
480-1120in
7740mm
305in
18290mm
720in
30480mm
1200in
42670mm
1680in
9,140-18,290mm
360-720in
18,290-42,670mm
720-1680in
10320mm
406in
24380mm
960in
40640mm
1600in
56900mm
2240in
12,190-24,380mm
480-960in
24,380-56,900mm
960-2240in
12900mm
508in
30480mm
1200in
50800mm
2000in
71120mm
2800in
15,240-30,480mm
600-1200in
30,480-71,120mm
1200-2800in
1/2V 1/2V 1/2V 1/2V 1/4V 1/4V
Screen Size" (diagonal)
V=Screen Height (inch)
100"
200"
300"
400"
500"
Vertical
offset
2.INSTALLATION
the projector’ s performance will be affected and its reliabil-
ity will decrease. Be sure to position the projector properly.
The manufacturer will not be held responsible for any
problems occurring when the projector is not installed in the
proper position.
If your projector is mounted on the ceiling and your image is
upside down, use PJ ORIENTATION on the ADJUST-
SETTING Menu to correct the orientation. (See page.)
Projection distance
Screen center
Vertical offset
Lens center
26.93''
(684mm)
11.61''
(295mm)
Projection Distance