|   | 
Displays dialog box intended for the user definition of an AC source. Argument is a real array with two elements which specify the initial values for the two controls as follows:
| 0 | Magnitude | 
| 1 | Phase | 
The function returns a real array of length 2 with the same format as the argument described above.
| Number | Type | Compulsory | Default | Description | 
|---|---|---|---|---|
| 1 | real array | Yes | 
 | Initial value | 
Return type: Real array
| 
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