https://docs.emtronaustralia.com.au/engine-management/emtune/emtune-tips-tricks/index.htmlTips on Improving your Emtune tuning efficiency… Methods of validating VE Table Auto Lambda Correction: Utilise “L” Auto Lambda Correction feature of the software. “L” applies current Lambda Target Error % to live location in map automatically. Manual Entry Lambda Correction: Using “M” key “Manual Entry Lambda correction method”. “M” is pressed & the Lambda target value is imputed together with the measured value. Enter and the result is applied to the highlighted cell.Hugoen-us