back control panel of the X800 flash unit (note: the X800 model does not include the RANGE capability featured on the X1600 and X3200 units and therefore does not include the blue RANGE button)
back control panel of the X800 flash unit (note: the X800 model does not include the RANGE capability featured on the X1600 and X3200 units and therefore does not include the blue RANGE button)