Tune

If the option is enabled, the Tune button will be available to you when the photograph is captured.  Clicking this button will open a dialog which will allow you to adjust the color settings of the image.  The dialog looks like this:

As you adjust the 4 settings the sample image will adjust to show the results.  You can also click the Reset button to return the sliders to their original position.  When you are satisfied with the adjustments click OK to make them effective. To abandon the process click Cancel.