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About Chart Gridlines

Gridlines are visual references to help read charts and graphs. They run horizontally and vertically.

The horizontal gridlines are "locked" to the Y1-axis at the user defined increment. In the example below, the Y1-axis is set to display at increments of 5 units of measure. The horizontal gridlines are displayed at every 5th unit.

grid_horizontal1.GIF

If the Y2-axis displays a different unit of measure, the horizontal gridlines may not line up with the Y2-axis unit markings, as in the example below.

grid_horizontal2.GIF

The vertical gridlines are "locked" to increments of time. The hours are displayed in international time (00:00 to 24:00) and default to display at 00:00, 06:00, 18:00 and 00:00 of the following day.

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