It allowed automatic switching to a TV set when device was not in use.

In 2007 a new electronic signal box was built, enabling more streamlined operations and automatic switching of the correct voltages.

Rolling stock was dual-voltage with automatic switching between 25 kV and 6.25 kV.

The post office housed the manual telephone switchboard until automatic switching was introduced in 1957.

With the invention of automatic electromagnetic switching, it became possible to make calls anonymously.

The Bell System in the United States relied on manual switched service until 1919, when it reversed its decisions and embraced dialed, automatic switching.

The Post Office began to introduce automatic switching, and replaced all of its 6,000 exchanges.

"This is the manual override to the automatic switching," Fukuda said.

The latest systems include automatic switching based on darkness+motion detection.

Other RIGblaster models, the plus and the pro have automatic switching between the computer and the radio's microphone.