In the configuration dialog boxes of the Mask and Limit Testing, Scaling and Mapping, and Simulate Arbitrary Signal Express VIs, click the Define buttons to display this dialog box.

Use this dialog box to define data values you can display in a graph, send to a device, or use for limit testing.

This dialog box includes the following components:

Option Description
Data Points Displays the values you enter to create the signal. You can enter values directly in the cells of the table or use the options in the Rescale section to create a signal.
Insert Adds a new row to the Data Points table.
Delete

Removes the values in the Rescale section.
Rescale Contains the following options for defining values:
  • New minimum X—

    Specifies the minimum value for the x-axis scale.

  • New maximum X—

    Specifies the maximum value for the x-axis scale.

  • New minimum Y—

    Specifies the minimum value for the y-axis scale.

  • New maximum Y—

    Specifies the maximum value for the y-axis scale.
Load Data

Prompts you to select a .lvm file that includes signal data you want to use to define a signal.
Save Data

Saves the data you configured in Data Points to a .lvm file.
Defined Signal

Displays the signal you define and a reference signal if you select Show reference data.
Show reference data

Displays a reference signal in the Defined Signals graph.

Note This option only appears when you define signals for the Mask and Limit Testing Express VI.
Show interpolated values

Enables linear averaging and displays the interpolated values on the Defined Upper Limit or Defined Lower Limit graph.
Timing Contains the following options for specifying timing characteristics of the defined signal.
  • dX—

    Specifies the time interval, or duration, between data points in the signal.

  • Number of points—

    Displays the number of data points in the signal you defined in Data Points.