Getting Started
R&S
®
FSW
38User Manual 1173.9411.02 ─ 19
●
Self-alignment data
●
General instrument settings such as the IP address
●
Measurement settings
●
User data created during operation
(see also table 8-2)
● Any data created by other applications installed on the R&S FSW, for example text
editors (Notepad), the Clipboard, drawing tools etc.
Data that is stored in volatile memory can be accessed by the user just as in normal
operation; however, when the instrument’s power is removed, all data in this memory is
cleared. Thus, in secure user mode, the instrument always starts in a defined, fixed
state when switched on.
In order to store data such as measurement results permanently, it must be stored to
an external storage device, such as a memory stick.
Limited storage space
The volatile memory used to store data in secure user mode is restricted to 256 MB.
Thus, a "Memory full" error may occur although the hard disk indicates that storage
space is still available.
Storing required data permanently
Any data that is to be available for subsequent sessions with the R&S FSW, such as
predefined instrument settings, transducer factors or self-alignment data, must be
stored on the instrument permanently, prior to activating the secure user mode.
Self-alignment data
Note that self-alignment data becomes invalid with time and due to temperature
changes. Therefore, to achieve optimal accuracy, it may be preferable to perform a
new self-alignment at the start of each new session on the R&S FSW.
Restricted operation
Due to the fact that permanent storage is not possible, the following functions are not
available in secure user mode:
●
Firmware update
●
Activating a new option key
Activating and deactivating secure user mode
Only a user with administrator rights can activate the secure user mode. Once activa-
ted, a restart is required. The special user "SecureUser" is then logged on to the
R&S FSW automatically (using the automatic login function, see "The Automatic Login
Function" on page 29). While the secure user mode is active, a message is displayed
in the status bar at the bottom of the screen.
Preparing for Use
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