SWF Size and Quality

Do these settings actually work?
I have published the same file (consisting of 2 screens) to the three different quality settings: high, medium and low.
High output - 711kb
Medium - 352kb
Low - 352kb.
So what's the difference between medium and low?

I am using Captivate 5.
I am talking about the publish settings - Preferences > Project > SWF size and quality.
I'm just using the presets that are in Captivate 5 and these are the only settings I am playing with.
Here's a screenshot:

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    mscriv wrote:
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    now...about what you said...
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