CTS Study Guide 2026

White balance ensures the camera renders the room's color temperature correctly. Under tungsten lighting (2,700–3,200K) without white balance, an image appears orange; under fluorescent lighting (4,000–5,000K), it may appear green. Manual white balance using a reference card under actual room lighting gives the most accurate result.

Composite video is an analog video signal format that combines all video information—luminance (brightness) and chrominance (color, or hue and saturation)—into a single signal. This combined signal is then transmitted over a single cable, which can lead to some signal degradation due to the intermingling of information. It was a common standard before the advent of separate component signals.

Screen gain measures how much light a projection screen reflects relative to a Lambertian (perfectly diffuse) surface; a gain above 1.0 concentrates reflected light toward the audience.

If a room suffers from reverberation, which is caused by sound waves reflecting off hard surfaces, the most effective treatment is to introduce sound-absorbing materials. Using soft furnishings like upholstered chairs, curtains, carpets, and acoustic panels helps to absorb sound energy, reducing reflections and improving speech intelligibility and overall acoustic comfort.

The facilities manager controls access, knows existing utility locations, and governs renovation protocols that directly affect conduit routing decisions.

For selecting the appropriate lens for a front projection system, reflected ceiling plans and elevations are essential drawings. Reflected ceiling plans show the exact location of the projector relative to the screen, while elevation drawings provide crucial information about screen height, room height, and viewing angles, all necessary for calculating throw distance and lens shift requirements.