File and data management
R&S
®
SMB100B
194User Manual 1178.3711.02 ─ 08
Types of user data
Depending on the content, the user data can be roughly divided into the following
data types:
●
Settings, e.g. the current instrument settings, can be saved and loaded later or
used in other instrument of the same kind.
See Chapter 9.4, "Saving and recalling instrument settings", on page 202
●
SCPI scripts, a series of commands that can be run to perform a task.
See Chapter 9.6, "Exporting and importing remote command lists", on page 208
●
Externally or internally generated lists, e.g. user correction lists, or data lists can be
loaded in the instrument.
See Chapter 9.7, "Loading, importing and exporting lists", on page 209 and
Chapter 9.5, "Accessing files with user data", on page 206
Depending on the data storage method, user data can be:
●
Persistent, i.e. user files that are recorded on the data storage.
Data is preserved when instrument is powered off and can be accessed and modi-
fied subsequently.
●
Temporary, i.e. volatile data that the instrument retains while it is powered on.
Volatile data is immediately lost when the R&S SMB100B is switched off.
File storage location
Without any additional measures, the R&S SMB100B stores user files on the internal
memory or if connected, on a memory stick.
Both, the user directory /var/user/ on the internal memory or the /usb/ directory
on the memory stick, can be used to preserve user-defined data. Any directory struc-
ture can be created.
The /var/volatile directory serves as a RAM drive and can be used to protect
sensitive information. The data is available temporarily.
Default storage location
The R&S SMB100B stores user data in the user directory.
In the file system, user directory is always indicated as /var/user/.
In manual control, you access this directory via the "File Manager", see Chapter 9.8,
"Using the file manager", on page 209. In remote control, you can query it with the
command :SYSTem:MMEMory:PATH:USER?.
To query and change the default directory used for mass storage, use the command :
MMEMory:CDIRectory.
File handling
To access files and the file system of the instrument or to use the general file manage-
ment functions such as copying and moving data, use the standard "File Manager" dia-
log.
See Chapter 9.8, "Using the file manager", on page 209.
About the file system
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