Precision Turbo and Engine BigStuff3 GEN3 PRO SEFI System Hardware & BigComm Software - Manual (Page 43)

BigStuff3 Pro SEFI System
Version 2.1 – February 2011 36
following screen will appear.
If the GEN3 ECU is not powered up (the ignition key is not in the “Run” position) and the
Communications cable is not connected, communication cannot be established. The following screen
will appear. This may also occur if the Comm Port is not configured correctly. If this occurs, use the
above process of configuring the Comm Port until communication is established.
Left mouse click the Work Offline button. The BigComm software will ask what calibration should
be used “off-line”. The following screen will appear, informing the user that a calibration file must be
loaded to work “off-line”.
Left mouse click on Yes and the BigComm software should go to the BigComm folder. If the PC does
not automatically take you to the BigComm folder, navigate to C: Program