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Incandescent lamps generate light by heating a filament inside a glass enclosure. This process is different from fluorescent, CFL, and LED lamps, which rely on gas discharge or semiconductor technology rather than a heated filament.

CTS References: AVIXA CTS Exam Guide, Chapter on Lighting; CTS Handbook, Section on Lamp Types and Their Characteristics.

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When an LED indicator on a projector blinks regularly, it typically signifies an error or a status message that needs attention. The correct course of action is to consult the projector's manual. The manual will provide specific information regarding what the blinking pattern means and the appropriate steps to resolve the issue. This method ensures that the engineer addresses the problem correctly without causing further damage or misdiagnosing the issue.

A detail drawing provides specific, comprehensive information about particular elements of a project, such as how to hang a loudspeaker line array. These drawings include precise measurements, materials, and installation instructions, allowing technicians to understand the exact requirements and procedures for mounting the equipment. Detail drawings ensure that all aspects of the installation are clearly communicated and followed, preventing errors and ensuring a safe and effective setup.

A distribution amplifier (DA) is designed to take a single input signal and replicate it across multiple outputs without degradation in quality. It maintains signal integrity across longer distances and multiple destinations, which is essential when distributing video to several monitors.