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Old August 1, 2012, 11:35 PM   #3
Pond, James Pond
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Join Date: July 12, 2011
Location: Top of the Baltic stack
Posts: 3,210
Ha.... Fool!

Found the answer to my own question. Probably should have searched a bit more before posting....

They are apparently to make for easier click count adjustments when only a half turn or less, one way or the other is needed.

Google is my friend.

Thanks for looking!
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