124 P, S, A, and M ModesWhite balance ensures that colors are unaffected by the color ofthe light source. Auto white balance is recommended for mostlight sources; other values can be selected if necessaryaccording to the type of source:White BalanceOption Descriptionv Auto Automatic white balance adjustment.Recommended in most situations.J Incandescent Use under incandescent lighting.I Fluorescent Use with the light sources listed on page 126.H Direct sunlight Use with subjects lit by direct sunlight.N Flash Use with the flash.G Cloudy Use in daylight under overcast skies.M Shade Use in daylight with subjects in the shade.L Preset manual Measure white balance or copy white balancefrom existing photo (0 129).