Preparing for Use
R&S
®
SMB100A
29Operating Manual 1407.0806.32 ─ 13
Once the startup procedure has been terminated, the block diagram opened in the pre-
vious session is displayed and the instrument is ready for operation.
Use the PRESET key to return the instrument to its definite reset/preset state, if the cur-
rent setup is not anymore relevant.
To customize the start settings, use the "File" dialog.
Rebooting the instrument
Press the STANDBY key for approx. 5 s. to reboot the instrument, if the software stops
unexpectedly.
2.3.5.3 Function Check
The signal generator automatically monitors the main functions when the instrument is
switched on and continuously during operation.
A detected fault is indicated by a "ERROR" message displayed in the info line together
with a brief error description. For in-depth identification of the error, press the INFO key.
In response, a description of the error(s) is displayed.
For more information, refer to chapter 9, "Error Messages", on page 437.
Additionaly to the automatic monitoring, the R&S SMB offers the following capabilities to
ensure correct functioning:
●
Internal Adjustments
Press the SETUP key and select "System > Internal Adjustments" to access the dia-
log for preforming and configuring of the adjustments settings. A maximum level
accuracy can be obtained, for instance.
●
Selftest
A selftest is provided for service purposes. The selftest is a protected test procedure,
which can be accessed if protection level 1 is disabled.
2.3.5.4 Default Settings
When the instrument is switched on, it is not the preset state that is active, but rather the
instrument state that was set before the instrument was switched off. It is also recomen-
ded that you use the PRESET key to return the instrument to its defined preset state
every time a new configuration is required or the current setup is not anymore relevant.
The R&S SMB offers a two-stage preset concept:
●
Preset the instrument to a predefined state
The PRESET key calls up a defined instrument setup. All parameters and switching
states are preset (also those of inactive operating modes). The default instrument
settings provide a reproducible initial basis for all other settings. However, functions
that concern the integration of the instrument into a measurement setup are not
changed, e.g. GPIB bus address or reference oscillator source settings.
Putting into Operation
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