Concepts and features
R&S
®
ZNA
297User Manual 1178.6462.02 ─ 29
4.7.13 Security write protection
R&S ZNA-K51
With software option R&S ZNA-K51 "Security Write Protection" (SWP), the firmware
can be run in write-protected mode, i.e. all data that would otherwise be written to the
C: drive of your VNA are kept in RAM instead. After a restart of the instrument, these
data are gone without a trace.
RAM usage is limited to 1 GByte. When 90% (900 GByte) is used, a warning is dis-
played requesting you to reboot the instrument. When 100% is reached, the reboot is
performed automatically.
Option R&S ZNA-K51 is delivered as a separate installer, which has to be run on the
R&S ZNA and requires administrative privileges. The installed service runs in the back-
ground and can be accessed via the Windows system tray.
Figure 4-32: R&S
ZNA-K51: system tray icon (SWP inactive)
For standard Windows users, SWP is disabled. To enable it, right-click the system tray
icon and select one of the available actions:
For details see the R&S ZNA-K51 user manual that is installed with the software.
4.7.14 Continuous sweep up to 110 GHz (R&S ZNA67EXT only)
R&S ZNA67-K110
This software option is preinstalled on a R&S ZNA67 shipped with a VNA system
R&S ZNA67EXT. It enables continuous sweeps in the full range between 10 MHz and
110 GHz.
Software option R&S ZNA67-K110 is not available for regular R&S ZNA67.
Optional extensions and accessories
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