March 2010
Intermediate to advanced
352 pages
10h 7m
English

Video surveillance hardware has followed the same evolutionary track as photographic cameras. The days of a mechanical camera, when a single-lens reflex (SLR) used a cadmium sulfide photocell as a light meter (light sensor) to assist in the correct aperture and shutter speed configuration, are gone and the world is now run by the microprocessor. This is even more true with anything digital. This higher level of sophistication now requires a three-dimensional maintenance and troubleshooting view: mechanical, electrical, and software. The only power over a malfunctioning device ...