Exposure compensation (EV) Adjust the compensation of the exposure time. A value of +1 effectively doubles the exposure time, whereas a value 1 halves the exposure time. The EV range and step vary across devices. A range of [2, 2] and a step of ½ stop is typical. If exposure bracketing (BRK) is enabled, the exposure compensation will compensate the bracketing exposures, and the bracketing number of pictures and step will limit the EV range. Read more on this on chapter
Automatic exposure bracketing