https://docs.emtronaustralia.com.au/engine-management/emtune/tuning-1/index.htmlSoftware Navigation From the Welcome Screen, selecting Open File, or Open ECU (ECU Detected is required) the calibration file will be opened. From here, you can navigate through a number of menus, tabs, sub tabs, etc. The Emtune software has a very systematical approach to configuration. Start on the left side, and work your way over from left to right.Hugoen-us