Changing Image Playback Settings 
3Adjusting the LCD Monitor Brightness
You can adjust the brightness of the LCD monitor to make it easier to read.
1
2
Select [LCD brightness].
Under the [52] tab, select [LCD brightness], then press <0>.
Adjust the brightness.
While referring to the gray chart, press the <U> key, then press <0>.
To check the image’s exposure, looking at the histogram is recommended (p.295).
324