Nikon D3X User Manual page 155

Exposure compensation can be set to values between –5 EV
(underexposure) and +5 EV (overexposure) in increments of
1
/ EV. In general, choose positive values to make the subject
3
brighter, negative values to make it darker.
–1 EV No exposure +1 EV
compensation
At values other than ±0, the 0 at the center of the electronic
analog exposure displays will flash and a E icon will be displayed
in the viewfinder and top control panel after you release the E
Z
button. The current value for exposure compensation can be
confirmed in the electronic analog exposure display by pressing
the E button.
Normal exposure can be restored by setting exposure
compensation to ±0. Exposure compensation is not reset when
the camera is turned off.
A
See Also
For information on choosing the size of the increments available for
exposure compensation, see Custom Setting b3 ([EV steps for exposure
comp.], pg. 314). For information on making adjustments to exposure
compensation without pressing the E button, see Custom Setting b4
([Easy exposure compensation], pg. 315).
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