Adjusting Projection Image Size - ViewSonic PJD5123 User Manual

Adjusting Projection Image Size

Refer to the graphic and table below to determine the screen size and projection distance.
Maximum zoom
Screen size
Diagonal
[inch (cm)]
30 (76)
60 (152)
80 (203)
100 (254)
150 (381)
200 (508)
250 (635)
300 (762)

Position the projector in a horizontal position; other positions can cause heat
build-up and damage to the projector.

Keep a space of 30 cm or more between the sides of the projector.

Do not use the projector in a smoky environment. Smoke residue may build-
up on critical parts and damage the projector or its performance

Consult with your dealer for special installation such as suspending from a
ceiling.
Minimum zoom
Vertical offset
Projection distance [inch (m)]
(min. zoom) (max. zoom)
45.3 (1.2)
92.2 (2.3)
123.5 (3.1)
154.8 (3.9)
233.0 (5.9)
311.2 (7.9)
389.4 (9.9)
467.6 (11.9)
22
Screen
Projection distance
4 : 3 Screen
Image
height [inch
(cm)]
50.6 (1.3) 18 (45.72)
102.9 (2.6) 36 (91.44)
137.7 (3.5) 48 (121.92)
172.5 (4.4) 60 (152.4)
259.6 (6.6) 90 (228.6)
346.7 (8.8) 120 (304.8)
433.8 (11.0) 150 (381.0)
- 180 (457.2)
Center of lens
Vertical
offset
[inch (cm)]
2.70 (6.86)
5.40 (13.72)
7.20 (18.29)
9.00 (22.86)
13.50 (34.29)
18.00 (45.72)
22.50 (57.15)
27.00 (68.58)
.
EN-22