4. PUTTING THE TRACTOR INTO SERVICE 4.2 RENEWAL OF THE ENGINE CONTROL UNIT 4.2.4 CALIBRATION OF THE HAND THROTTLE NOTE This operation must be carried out with the engine off and the parking brake applied. 1 - Connect a portable computer with the SERDIA pro- gram installed (for details see «Connection of portable computer with "SERDIA" software to the engine con- trol unit»), turn the starter key to the “ I ” (ON) position and start the SERDIA program. 2 - From the “PARAMETER” menu, select the option “CALIBRATION”. 3 - Select the line containing the parameter “1530:
AnalogIn3_RefLow”, apply light pressure to the ac- celerator and release,then click on “GET VALUE” so that the software can read the value. 4 - Click “PC->ECU”, then click “SAVE IN ECU” to save the new parameter. 5 - Select the line containing the parameter “1531: AnalogIn3_RefHigh”, apply light pressure to the ac- celerator and release, then click on “GET VALUE” so that the software can read the value. 6 - Click “PC->ECU”, then click “SAVE IN ECU” to save the new parameter. 20-24