Electronics (Mike Jaroch)

Signal lights used to aid maintenance personnel in locating troubles quickly
[15].

Tables of trouble symptoms and probable causes, furnished by many manufacturers to help technicians isolate problems [15].

The process of locating and diagnosing faults in equipment by means of
systematic checking or analysis [3] [15] [16].

(BOTTOM)—The peak of the negative alternation (maximum value below the line) of a sine wave [10].

Angle between a target and true north measured clockwise in the horizontal plane [18].

Geographic north [18].

The power dissipated in the resistance of the circuit, or the power actually used in the circuit [2].

A paraboloid reflector that has been cut away at the top and bottom to
increase beam width in the vertical plane [18].

A table that describes a logic function by listing all possible combinations of input values and indicating, for each combination, the true output values [13].

Refers to the testing condition in which a vacuum tube is actually performing its function [16].