As the world of electronics gets more complex, so do the meters, probes, and other testing devices used to troubleshoot electronic systems. This bestselling guide should be the first word for beginner-level hobbyists and students who want to understand and use today's electronic test equipment. Light on theory and mathematical calculations, it's a practical handbook and reference that clearly explains how common testing devices such as the multimeter, frequency and logic probes, signal tracers, and oscilloscopes are used to pinpoint problems in everything from TV sets and computers to automotive electrical systems.