Instrument Function
R&S
®
SMB100A
80Operating Manual 1407.0806.32 ─ 13
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.
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 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 remote commands.
●
"RF frequency" = 1 GHz
●
"RF level" RF output switched off
●
"Level" = 30 dBm for instruments including an attenuator
"Level" = -5 dBm for instruments with no attenuator
●
"Offsets" = 0
●
"Modulations State" = Off
●
Uninterrupted level settings are switched off
"Level Attenuator Mode" = AUTO
●
Internal level control "Level ALC" = AUTO
●
User correction "Level Ucor" = OFF
●
"LF output State" = Off
●
"Sweep State" = Off
Settings that are not affected by the PRESET key
●
Reference frequency settings ("Ref Oscillator" menu)
●
Power on settings ("Level/EMF" menu)
●
Network settings ("Setup" menu)
●
GPIB address ("Setup" menu)
●
*IDN? Identification and emulation ("Setup" menu)
●
Password and settings protected by passwords ("Setup" menu)
●
Start/Stop Gui Update ("Setup" menu)
●
Display and keyboard settings ("Setup" menu)
Remote command:
*RST on page 246
General Instrument Settings
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