Precision Turbo and Engine BigStuff3 GEN3 PRO SEFI (LS1) System Hardware & BigComm Software - Manual (Page 115)

BigStuff3 Pro SEFI System (LS1)
Version 1.0 114
The “Choose a Log File Screen” (shown above) will open and display the available, previously
logged, files. Select and open the desired log file. Once opened, the Fuel or Spark table will
turn yellow indicating that the Trace function is enabled. A trace line, representing the logged
data file, will superimpose itself over the fuel or spark table.
Note: Scaled RPM (Scld_RPM) and Scaled Load (Scld_Load) must be logged in order to
support the “Trace” function.