https://docs.emtronaustralia.com.au/engine-management/functions/cal-slot-control/index.htmlCal Slot Control This function in an extremely powerful feature which allow the user to customize special calibration slots. There are 4 calibration slots available. There are 4 Calibration slots which the user may configure. The cal slot is controlled through the 3D user table “Cal Slot Control”. Below is a simple example of how the cal slots could be switched. In this case AN Volt1 has been configured on the X axis. If AN Volt 1 is between 0.0V and 1.49V then Cal Slot 1 will be selected. If AN Volt 1 is between 1.50V and 2.49V then Cal Slot 2 will be selected and so on.Hugoen-us