
INSTALLATION & SETUP
Rear Screen, Ceiling Mount Installation
ADVANTAGES | CONSIDERATIONS |
• Projector is completely hidden from the audience. | • Requires separate room. |
• Usually good ambient light rejection. | • Installation cost is usually higher. |
Rear Screen, Floor Mount With Mirror
ADVANTAGES | CONSIDERATIONS |
• Projector is completely hidden. | • Requires separate room. |
• Usually good ambient light rejection. | • Installation cost is usually higher. |
•Less space is required behind the screen than other rear screen installations.
Screen Type ➤ Screen type is a very important factor when designing a projection system. Inexperienced users or installers should always consult their dealer when deciding on screen type. The following guidelines may be helpful to understand the differences between screen types.
Front Screen Installations
There are two basic screen types: flat and curved. The choice between a flat screen versus a curved screen is dependent on audience viewing angle and screen gain. There is always a
Flat screens offer a gain of about 1 with a viewing angle just less than 180°. Incident light reflects equally in all directions so the audience can see the display from various angles. Because of the lower gain, flat screens are more effective when ambient lighting is reduced.
Flat
Screen
(gain1)
Viewing
Angle
Audience Coverage
Figure 2-1. Audience Coverage with Flat Screen
.
2.3