By default or through an output range control, {TAIL ~ an output white level} can be specified for the reference channel so that the output reference white level is set equal to {HEAD ~ the input reference white level} set during calibration 
By default or through an output range control , { TAIL ~ an output white level } can be specified for the reference channel so that the output reference white level is set equal to { HEAD ~ the input reference white level } set during calibration
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH