When you select the Open command:
  1. ITDT checks if a device is already opened.
  2. Under Device Name:, enter the name of the device in the box.
  3. In the Open Mode menu, select how to open the device (rw, ro, wo, append).
  4. ITDT opens the device that you selected.
Note: Always use the Read Only mode when you are working with write-protected media.