This outstanding pocket guide is designed for use on-the-job by security, sound, and video professionals. It is chock full of everything users need for working with security, sound, and video equipment and features installation requirements, formulas, technical data, and maintenance forms. Abundant charts, tables, and graphs are also included that cover sensor application, speaker impedance, voltage drops, satellite TV, and more. Helpful troubleshooting tips help readers prepare for common problems likely to be encountered in the field.