Nikon D800E User Manual - Page 175

The U Button At settings other than K (Choose color temp.) and L (Preset manual), the U button can be used to fine-tune white balance on the amber (A)-blue (B) axis (0 149; to fine-tune white balance when L is selected, use the shooting menu as described on page 148). Six settings in both directions are available; each increment is equivalent to about 5 mired (0 150). Press the U button and rotate the sub-command dial until the desired value is displayed in the control panel. Rotating the sub-command dial to the left increases the amount of amber (A). Rotating the subcommand dial to the right increases the amount of blue (B). At settings other than 0, an asterisk ("U") appears in the control panel. U button Sub-command dial Control panel r 151