To modify a signal, we need to delete the wire that connects the Simulate Signal Express VI to the Waveform Graph Terminal. Select View >> Function Palette to display it. On the Arithmetic & Comparison palette, select the Formula Express Palette and place it between the Simulate Signal Express VI and the Waveform Graph Terminal.
Change the text in the Label column of the dialog box option, from X1 to Sawtooth to indicate the input value to the Formula Express VI. Then, we can define the value of the scaling factor by entering *10 after Sawtooth in the Formula text box. If we use the keyboard, click in the Formula text box after Sawtooth and enter the formula you want to appear in the text box.
The Configure Formula dialog box should appear similar too.
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