When asking for technical help at the very least let us know the version of firmware you are running.Cliff's Calibration (Mapping) Guide is a MUST READ: http://www.vemssupport.com/forum/index.php/topic,97.0.html
use 5 or 6 for lowest bin in dTps table.
Hello Black,Could you create a small vemslog of that section in screen for me to review, i'll try to diagnose whats going on there.Best regards, Dave