Right-click a chart and select Chart History Length from the shortcut menu to display this dialog box.

Use this dialog box to set the number of data points stored in memory for a chart.

Option Description
Number of data points in chart history buffer

Displays the number of data points the chart history stores. The default for waveform charts is 1,024. The default for intensity charts is 128.

Note For 8-bit integers, you can allocate an array up to half of the addressable memory on the computer. For example, if the computer has 4 GB of memory, you can allocate an array with up to 2,147,483,647 data points.