155rMeasuring a Value for White Balance1 Light a reference object.Place a neutral gray or white object under the lighting that willbe used in the final photograph. In studio settings, a standardgray panel can be used as a reference object. Note thatexposure is automatically increased by 1 EV when measuringwhite balance; in exposure mode h, adjust exposure so thatthe exposure indicator shows ±0 (0 123).2 Set white balance to L (Preset manual).Press the U button and rotate the main command dial untilL is displayed in the control panel.3 Select a preset.Press the U button and rotate the sub-command dial untilthe desired white balance preset (d-1 to d-4) is displayed inthe control panel.U button Main command dial Control panelU button Sub-command dial Control panel