This is about the only mention of the SD card usage that I have seen:
Save and load additional presets to SD card (like the one in your digital camera) using the onboard card reader, and use it to upgrade Octavius's firmware as new versions become available.
It doesn't say they are directly editable on the PC
Save and load additional presets to SD card (like the one in your digital camera) using the onboard card reader, and use it to upgrade Octavius's firmware as new versions become available.
It doesn't say they are directly editable on the PC

and
at the same time.