Setting Light Output for Capture

steps at the top of the light control panel, select flash mode for each group, the number below the group name indicates the flash power setting for that group the double bracket (<< and >>) increases and decreases power by 1 stop while the single brackets (< and >) adjust the power by 1/10 of a stop by clicking on the power value, a value may be typed in as well, with accuracy of 0 01 stops flash power is controlled to a maximum precision of 1/100th of a stop, and provide a total range of 8 stops