Preparing for use
R&S
®
ZNA
18Getting Started 1178.6456.02 ─ 18
2. If desired, set the AC power switch to position O (Off).
To disconnect from power
The R&S ZNA is in standby state.
1.
NOTICE! Risk of data loss. If you disconnect the product from power when it is in
the ready state, you can lose settings and data. Shut it down first.
Set the switch on the power supply to position [0].
The LED of the standby toggle key key is switched off.
2. Disconnect the R&S ZNA from the power source.
To guarantee the specified functionality, after turning off the R&S ZNA, you have to wait
for at least 10 seconds before turning it on again. This rule applies to both the AC
power off and the standby state.
3.8 Standby and ready state
Thestandby toggle key is located in the bottom-left corner of the front panel.
In standby state, the LED on the standby toggle key is orange, in ready state it is
green. The standby power only supplies the power switch circuits and the optional high
precision quartz (R&S ZNA-B4, "Precision Oven Quartz Frequency Reference"). In this
state, it is safe to switch the AC power off and disconnect the instrument from the
power supply. In ready state, all modules are power-supplied. When switched to ready
state, the analyzer initiates its startup procedure.
Observe the instructions for startup and shutdown in Chapter 3.7, "Switching the instru-
ment on and off", on page 17.
3.9 Windows operating system
The analyzer is equipped with a Windows
®
operating system which has been config-
ured according to the instrument's features and needs. Changes in the system configu-
ration can be necessary to:
●
Establish a LAN connection
●
Customize the properties of the external accessories connected to the analyzer
●
Call up additional software tools
Windows operating system
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