Annexes
R&S
®
ZNA
1412
User Manual 1178.6462.02 ─ 12
To switch from one user account to another, log off from Windows and then log on
again. The "switch user" functionality is disabled on the R&S
ZNA.
11.1.2
Firmware Installation
Upgrade versions of the analyzer firmware are supplied as single executable setup
files (
*.exe
).
Administrator account
You need administrator rights to install a new firmware. See note on
To perform a firmware update:
1. Copy the setup file to any storage medium accessible from the analyzer. This can
be either the internal mass storage drive, an external storage medium (USB mem-
ory stick, external CD-ROM drive) or a network connection (LAN).
The default name of the internal drive is
C:
. External storage devices are automati-
cally mapped to the next free drive, i.e.
D:
,
E:
etc.
2. Run the setup file from the Windows
®
Explorer. Follow the instructions of the setup
wizard.
Setup files can be reinstalled.
Factory calibration
A firmware update does not affect the factory calibration.
However, for a R&S
ZNA that was factory calibrated with a firmware version < 2.0, an
upgrade to a firmware version ≥ 2.0 makes the factory calibration slightly less accurate.
A changed signal path in firmware versions ≥ 2.0 can result in an offset of approxi-
mately 0.3
dB for uncalibrated wave measurements. Calibrated measurements are not
affected. The offset can be eliminated by a new factory calibration at Rohde&Schwarz
service.
Downgrade to a firmware version < 1.90
Instruments shipped with a REFBOARD version > 001_000_000 cannot be downgra-
ded to a firmware version < 1.90 simply by executing the related firmware setup file.
Please contact R&S service if you plan such a downgrade.
See the
for the REFBOARD version of your instrument.
Administrative Tasks
