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Data Logging

The data-logging feature of the software allows you to log up to 21 individual parameters to a laptop at a rate of 10 lines per second.

You can control when data logging starts and stops by setting the RPM start and stop parameters and the duration parameters.

Start/Stop (F2) logging

Set the “Start logging when RPM is greater than” parameter to the desired RPM start point. Set the “Stop logging when RPM is less than” parameter to the desired RPM stop point. You must also set the duration for which these parameters must be met. When you press the “Start Logging” button (or F2 key) the system will wait for the RPM to reach the desired start point for the specified duration and then commence logging the data. When the RPM falls to the desired stop point for the specified duration the system will stop logging and also save the data to disk with the file name “Last Log.el3”. This file will always be overridden whenever the system automatically saves the logged data. You can also manually save the data with a different file name when you go back to the pits. Each time the RPM falls below the stop point five blank data log lines will be recorded. This will make it easier to see each time the logging started and stopped during a log session.

To stop the logging session completely, press the same button used to start the session or press the F2 key. This time the button will be named “Stop logging” to indicate that pressing it will stop the session.

Viewing the logged data

To view the data you must stop the logging session by pressing the “Stop Logging” button, this is the same as the “Start Logging” button (or F2 key). The laptop may take a few minutes to organize the data before it is displayed on the main page in text format. This data can be scrolled through with the arrow buttons and analysed. The data is organised with the last log record being at the top and the first at the bottom of the grid.

Each line represents a reading of 21 parameters. The first parameter shows the Reading number. The second shows the Time stamp, followed by the engine parameters sent by the. All standard engine parameter values will be shown as actual technical values such as RPM, Engine temperature in degrees Celsius, etc.

You can also view the data in chart form. Pressing the “Log Chart” button displays the data log session in graphical form. The system displays data onto four separate chart axis. Each axis can display data from any of the standard ECU engine parameters. You can select the data for each axis by using the drop-down selection field for each axis and selecting the data channel you want to display.

Zooming into a section of the chart

You can zoom into a chart section by pressing the left mouse button and dragging a square from top left corner to bottom right corner covering the section you want to zoom into. When you release the mouse button the button chart will zoom into the selected area. To un-zoom you just reverse the process.

Stinger 4 instruction manual version 2.0



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