Hanwha Techwin

Glossary

Glossary
Term	Description
A/D (AD)	Usually refers to analog to digital conversion.
AC/DC	Usually applied where a power supply can be either Alternating Current or Direct Current.
AC	Alternating Current.
Aberration	A term from optics that refers to anything affecting the accuracy of the image when compared with the original scene.
Automatic Light Control	The process by which the illumination incident upon the face of a pickup device is automatically adjusted as a function of scene brightness.
Automatic Brightness Control	In display devices, the self-acting mechanism which controls brightness of the device as a function of ambient light.
Auto Light Range	The range of light, e.g., sunlight to moonlight, over which a TV camera is capable of automatically operating at specified output.
Auto Balance	A system for detecting errors in color balance in white and black areas of the picture and automatically adjusting the white and black levels of both the red and blue signals as needed for correction.
Aperture Correction	Compensation for the loss in sharpness of detail because of the finite dimensions of the image elements or the dot-pitch of the monitor.
AGC	Automatic Gain Control. A circuit for automatically controlling amplifier gain in order to maintain a constant output voltage with a varying input voltage within a predetermined range of input-to-output variation.

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