LSJ
 Legend
 Posts: 515
Joined: 8/17/2006
Location: Citrus Springs, FL
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I am probably completely misunderstanding your question but for the opportunity to learn here is my simple solution to what I think you are asking:

[Edited by LSJ on 5/25/2019 9:38 AM]
Attached file : param1.jpg (132KB - 529 downloads)
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