They control functions such as power, volume, channels, playback, track change, heat, fan speed, and various other features. Present-day remote controls are commonly consumer infrared devices which send digitally-coded pulses of infrared radiation. The standard symbol used to denote that it uses infrared as a way to send the signal to devicesĮarly television remote controls (1956–1977) used ultrasonic tones. In some cases, remote controls allow a person to operate a device that they otherwise would not be able to reach, as when a garage door opener is triggered from outside.
This is primarily a convenience feature for the user. They function best when used from a short distance. A remote control can allow operation of devices that are out of convenient reach for direct operation of controls. In consumer electronics, a remote control can be used to operate devices such as a television set, DVD player or other home appliance. In electronics, a remote control (also known as a remote or clicker ) is an electronic device used to operate another device from a distance, usually wirelessly. Not to be confused with Teleoperation or radio control.Ī Samsung Nuon N2000 television and DVD remote control An air conditioning unit remote control
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