Adjust type of file storage for the DUS60 Ultrasound

1. Select File -> storage type -> use set to click through options: fixed is the internal storage on the unit
2. A is the first USB slot, B is the second USB slot
3.  The unit will only save to one type of storage area at a time, if you save to USB first it will not be on the unit. If you save it to the unit first you can export it to the USB after as a single export or mass export.