With 3.5, hitting the power button on the utv, not the remote, rapidly 3 times will allow the unit to essentially defragment the drive & do similar cleanup activities. It should not change any of your settings nor delete recordings. UltimateTV used to recommend doing this monthly before 3.7.
Something has changed though with 3.7 so that pressing the power button rapidly 3 times will often just reset the utv (like code 12357). I don't know for sure but I suspect it doesn't set up the old disk cleaning utilities to be performed. Maybe if someone from the old Microsoft UltimateTV software group reads this they could enlighten us.
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