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Chapter 13: Analysing Data (‘View’ Menu)
Lambda / AFR Deviation
Reveals the deviation of a trace’s mixture from a target value for tuning air fuel ratio (AFR)
Clicking on the Window will reveal a cursor; actual Lambda deviation and RPM at that point is displayed in the menu bar.
The span (scale range) shown and the target value can be easily set using the ▼▲ buttons.
Units of Lambda or AFR can be selected. Selecting AFR will alter the scale range to suit a sensor calibrated as
AFR and not Lambda i.e. ensure the sensor input is correctly setup for either Lambda or AFR units, depending
on what you wish to use (see chapter “Inputs- Using”)
Select input channel: The channel that the Lambda meter is
connected to can be freely selected, though by default the preference
setting in ‘Setup/Software/Lambda AFR’ is used.
Select a Trace to view: Any of the 10 traces loaded into the main Graph Windows can be selected.
Individual Trace view: The trace selected will be shown in the ‘Individual Trace’ Window for a detailed look
at all of the data and what the consequences of the mixture deviation may have been at the cursor point.
Tip- See also the manual chapter ‘Inputs- Using’ for the ‘Current Lambda / AFR’ live tunning Window information.
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