Konica Minolta Magicolor 4695MF Reference Manual page 114

Levels
This function is used to set the gamma value, increase shadow and high-
light areas, enhance shadow value and reduce highlight value. The X-axis
indicates the scaling value and the Y-axis indicates the pixel value. The
shadow, gamma and highlight values for the scanned image can be
adjusted by dragging the triangular pointer right below the X-axis. Using
the output level to adjust the range of brightness.
Color Balance
This function is used to fine-tune the RGB values in shadows, midtones,
and highlights areas.
92 Specify the Scan Settings