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Link G4 Plus Software Tutorial: Axis Setup

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Axis Setup

02.02

00:00 - Let's start by pressing the F key to show the fuel map.
00:03 We can see that we have a fuel table with RPM on the X axis and load on the Y axis.
00:09 We're going to make a few changes to this table so you can see how easy it is to manipulate.
00:15 First of all we're going to run this engine all the way to 8500 RPM so we're going to need to add some extra RPM cells.
00:22 We can get to the axes set up menu by either pressing the X key or by right clicking on the table and selecting axis setup.
00:29 This will bring up the axis setup box.
00:32 Adding RPM cells can be done by clicking on the add button and simply typing in the required RPM cell.
00:39 Alternatively we can scroll through the current cells and double click on any empty cell to make a change.
00:47 Likewise, we can change an existing cell by double clicking on it and altering its value or we can delete a cell all together by pressing the delete button here.
00:56 We can make similar changes to the load axis but first let's look at changing the load input.
01:02 By default the load input is MGP or manifold gauge pressure.
01:06 This is similar to manifold pressure but accounts for the measured difference between manifold pressure and barometric air pressure.
01:14 This adds compensation for barometric pressure changes, providing a more stable air/fuel ratio.
01:18 On a multi throttle body engine, or one that produces very low vacuum, we may want to use throttle position instead of MGP.
01:28 This can be done by clicking on this arrow to access the drop down menu.
01:31 We can then select TPS main as the load input.
01:35 If you're changing the input on the axis, you can quickly select the default axis scaling by clicking initialise axis.
01:43 Once you've made changes to the axis, we need to click apply.
01:47 This will open a box asking if you would like to interpolate the table values.
01:51 This feature interpolates any new cells to retain the shape of the original map.

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