After copying the files from your PC to the Thumb Drive, merely place the thumb drive in the PSR-3000, press copy, select the styles you wish to copy, press OK, then tab to the Smart Media Card and press Paste. It will take a few seconds for this to occur so be patient--it will happen. Access time of the style files via either the Smart Media Card or USB drive is instantaneous.
Good Luck,
Gary
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PSR-S950, TC Helicon Harmony-M, Digitech VR, Samson Q7, Sennheiser E855, Custom Console, and lots of other silly stuff!
K+E=W (Knowledge Plus Experience = Wisdom.)