FREQUENTLY ASKED QUESTIONS - A
Auto Iris (AI)
Auto Iris (AI) is an electronic circuit that acts as an iris on CCD cameras by electronically shuttering the CCD sensor. Or an automatic method of varying the size of a lens opening in response to changes in scene illumination.
AGC: Automatic Gain Control
AGC: Automatic Gain Control is an electronic system found in many types of devices. Its purpose is to control the gain of a system in order to maintain adequate performance over a range of input signal levels. Or An electronic circuit that tries to keep the video signal at a constant level (1volt peak-peak). Useful on cameras working at low light levels