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ViewSonic PJ501/PJ551
6
Installation
Refer to the graphics and table on this page to determine the screen size and projection distance.
The projection distances shown in the table below are for full size (1024 x 768 pixels).
a Distance from the projector to the screen (+10%).
b Distance from the lens center to the bottom of the screen (+10%).
Figure 5: Screen Views
Angle Adjustment
Use the foot adjusters on the bottom of the projector to adjust the projection angle. The angle is
variable within approximately 0° to 9°.
1
Lift up the front side of the projector, press the foot adjuster button, and adjust the projection
angle.
2
Release the adjuster button to lock at the desired angle.
3
Rotate the foot pad to adjust the left/right tilt of the displayed image.
Table 1: Projection Distance
Screen Size
Inches (m)
a Inches (m)
Minimum and Maximum
b Inches
(cm)
40 (1.0) 37 (0.9) 46 (1.2) 3 (8.7)
60 (1.5) 57 (1.5) 69 (1.8) 5 (13.1)
80 (2.0) 77 (1.9) 93 (2.4) 7 (17.4)
100 (2.5) 96 (2.4) 116 (2.9) 9 (21.8)
120 (3.0) 116 (2.9) 139 (3.5) 10 (26.1)
150 (3.8) 145 (3.7) 174 (4.4) 13 (32.7)
200 (5.0) 194 (4.9) 233 (5.9) 17 (43.5)
Warnings
• Position the projector in a horizontal position; other positions can cause heat build-up and damage to the projector.
• Make sure the heat ventilation holes are not blocked.
• Do not use the projector in a smoky environment. Smoke residue may cause buildup on critical parts (i.e. LCD panel,
lens assembly, etc.)
Figure 6: Angle Adjustment
Top View
Screen
Side View
Lens
center
Foot Adjuster
Press the foot adjuster button
Rear Foot Adjuster