However, often you can go up or down one channel at a time but can select a channel at random Similarly, there's usually a button for increasing the volume and one for decreasing the volume A remote control should duplicate the controls built in to the television A single remote of a company control can control several televisions of the same company. Many of its methods can be implemented by using TV methods. In addition, a remote control typically provides random access channel selection That is you can go directly from channel 2 to channel 20 without going through all the intervening channels.