Auto relay

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An automatic relay or otherwise known as auto relay is a signal in a television set that turns a television on and off. These signals are caused by electromagnetic waves transferred from other electronics, usually universal remotes. Microwave Ovens can also cause an unexpected relay, as they are plugged in to an outlet for the first time. No one knows for sure why this occurs but speculation is that small chips inside the microwave oven transmit high powered sound pitches that a television mistakes for a remote frequency. This usually only turns a television on.