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
I take it this is a fix to get the boost pressure shown correctly from a apexi avcr???Any news on the other issues,eg button to be used for turning display on and off,dips in rpm log,display swapping between afr and lambdasorry for all the questions, thanks for the support so far.