To get started with the 580EX flash, load four AA batteries, preferably lithium batteries for longer life and faster recycling times, into the battery compartment, following the polarity diagram on the battery door. Loosen the locking ring by turning the ring counterclockwise, then slide the flash onto the hot shoe of a Canon SLR and tighten the locking ring by turning it clockwise. Turn the flash on by flipping the power switch on the back of the flash on the right side, then wait for the pilot light to go red.The 580EX shuts off automatically after 90 seconds of idle use to conserve batteries; to turn it back on, depress the shutter button on the camera halfway or push the 580EX test firing button.Flash modesThe 580EX has several flash modes, including Automatic or Evaluative Through the Lens (ETTL), which fires a quick preflash before firing the main flash to get Jordan Winterized 6 Rings the right exposure setting. The other flash modes are Flash Exposure Compensation, Flash Exposure Bracketing and Manual. The modes are all Air Jordan 17s accessed by turning the mode dial on the flash. ETTL works with the Program, Aperture, Shutter and Manual modes on the Air Jordan Women Size camera, and is the most common mode. Flash Exposure Compensation allows you to increase or decrease the flash output up to three stops, and can be combined with Flash Exposure Bracketing, Air Jordan 14s in which Air Jordan 13 the camera takes three shots at different flash exposures in 1/3 stop increments.