The scan in the Morgellons Protocol searches for 10 hits, so its results will take 10x3=30 minutes to run as opposed 20x3=60 minutes. Since all the presets are set to repeat once, this means that you'll be adding two hours to its running time if you use the full scan instead of just one.
Please do NOT click Remove Duplicate Frequencies. Many presets intentionally use frequencies and programs more than once, and clicking this will shorten running times, but render the preset less effective.
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