
2-70 Programming Guide
Programming Commands and Examples ESG Family Signal Generators
:SYSTem Subsystem
:SYSTem Subsystem
The system subsystem is used to set the controls and the parameters associated with
overall system communication.
Error Information Query
:SYSTem:ERRor[:NEXT]?
This command queries the signal generator’s error queue.
Help Mode
:SYSTem:HELP:MODE SINGle|CONTinuous
:SYSTem:HELP:MODE?
This command sets the mode of the signal generator’s help function. The choices are Single
and Continuous. In Single mode, help is provided only for the next key that you press. In
Continuous mode, help is provided for the next key you press and that key’s function is also
executed (except for the Preset key). In either mode, pressing the Help key while the help
dialog box is displayed will turn help off.
The help mode is a persistent state; it is not affected by an instrument preset or by a power
cycle.
Persistent State and Instrument State Reset
:SYSTem:PRESet:ALL
This command sets the persistent state and the instrument state values to their factory
defaults.
Persistent State Reset
:SYSTem:PRESet:PERSistent
This command sets the persistent state values to their factory defaults.
PN9 Preset Configuration (Option UN8)
:SYSTem:PRESet:PN9 NORMal|QUICk
:SYSTem:PRESet:PN9?
This command sets the preset value for the PN9 mode. The choices are Normal and Quick.
PN9 mode applies only to personalities that require software PRBS generation.
This is a persistent state with no initial values, shipped from the factory with this
parameter set to Normal.
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