Keysight x-series User Reference Manual page 311

6 System Functions
System
he default backup location will be first drive identified as an external drive (USB or LAN) if such is available;
if not, the internal D: partition will be selected.
Changing the drive letter will also modify the path displayed in the box below. When this step is first
loaded, the drive drop-down menu is populated with connected drives, which provide the user with write
access. If there are many unreachable network drives connected to the instrument, this step can take a
few seconds. If a USB drive is present, it will be selected by default. The path defaults to the
AlignmentBackups folder, and a filename is automatically created in the form of AlignDataBackup_
<model>_<serial number>_<date><time>. When the "Next >" button is pressed, you will be prompted to
create a new folder if the chosen path does not yet exist.
EMI Receiver Mode Reference 311