National Instruments pxi ni 5401 用户手册

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Chapter 1
Generating Functions with the NI 5401
1-14
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them using the VirtualBench-FG Frequency List Editor. Follow these steps 
to create a list of multiple frequencies:
1.
Select Window»Frequency List Editor from the VirtualBench-FG 
soft front panel to bring up the dialog box shown in Figure 1-10.
Figure 1-10.  VirtualBench-FG Frequency List Editor Dialog Box
2.
Specify the frequency and duration of each function in the sequence.
3.
Save the sequence by selecting File»Save.
4.
To return to the main VirtualBench-FG screen shown in Figure 1-6, 
select File»Close.
5.
Select File»Load Frequency List to load the frequency list.
You can combine the frequency list generation with different trigger modes 
to get the desired frequency generation.