{HEAD ~ A minimum chip gain level} prevents {TAIL ~ the output} of the camera system from becoming saturated by the time the shutter gain is supposed to be active 
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{ HEAD ~ A minimum chip gain level } prevents { TAIL ~ the output } of the camera system from becoming saturated by the time the shutter gain is supposed to be active
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH