Instrument Function
R&S
®
SMU200A
126Operating Manual 1007.9845.32 ─ 15
5.2 General Instrument Settings
5.2.1 Overview of General Instrument Settings
This section describes the settings which do not directly affect signal generation. Most of
these settings can only be accessed by means of menus which are opened using keys
or key combinations on the external keyboard or keys on the front panel key emulation.
This does not apply to the graphical representation of output signals which is activated
in the "Graphics" function block, or settings which can additionally be called up in the
menus of the function blocks, e.g. input configuration which is possible in the "Setup"
menu and in almost every menu of the "Baseband" function block.
See also chapter 4.8, "Legend of Front-Panel Controls", on page 119.
The general instrument settings therefore affect various functions, such as storing instru-
ment settings using the FILE key or setting the GPIB address in the menu of the
SETUP key. The order in which the descriptions are given corresponds to the layout of
the keys on the front panel of the R&S SMU (from top left to bottom right).
5.2.2 Default Instrument Settings - Preset Key
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 address or reference oscillator source settings.
In addition, only those settings associated with the menu can be reset directly in the
individual menus, e.g. all digital modulation settings in the "Custom Digital Mod" menu.
These settings are identical to those which are called up using the PRESET key.
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 on.
User-defined instrument states can be stored and called up in the "File" menu.
Resetting the instrument to the factory state is possible in with the Factory Preset function.
Preset
Presets all parameters and switching states.
The following list gives an overview of the presets for the most important generator set-
tings. The other presets can be found in the preset tables of the individual menus and
the information accompanying the IEC/IEEE-bus commands.
●
"RF frequency" = 1 GHz
●
"RF level" RF output switched off
●
"Offsets" = 0
General Instrument Settings
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