Learn something new every day More Info... by email A jog dial
is a controller that can step through options or regulate the
speed of media playback. It consists of a wheel or disc that
spins freely or can move through a series of individual stops,
known as detents or clicks, depending on the design. Electronics
like cameras may have jog dials, and they can be attached to
mice or external controls for a computer to control programs.
For example, transcriptionists, video editors, and audio mixers
may use an external jog dial to work more efficiently with
media. The design of the dial can depend on the device. Some are
aligned vertically to create a spinning wheel, while others are
horizontal. Textured edges are common to make a jog dial easier
to grip and these may have markings to allow the user to see the
appropriate setting. On a digital camera, for example, a dial
can allow the user to select from several detents, each
representing a different shooting mode. Another dial may control
aperture or shutter spe