Optimizing Performance
Creating and Applying User Flatness Correction
Chapter 3 65
Returning the Signal Generator to GPIB Listener Mode
During the user flatness correction process, the power meter is slaved to the signal generator
via GPIB, and no other controllers are allowed on the GPIB interface. The signal generator
operates in GPIB talker mode, as a device controller for the power meter. In this operating
mode, it cannot receive SCPI commands via GPIB.
NOTE If the signal generator is to be interfaced to a remote controller after
performing the user flatness correction, its GPIB controller mode must be
changed from GPIB talker to GPIB listener. This is accomplished by presetting
the signal generator.
If an RF carrier has been previously configured, you must save the present
instrument state before returning the signal generator to GPIB listener mode.
1. Save your instrument state to the instrument state register.
For instructions, see “Saving an Instrument State” on page 46.
2. Press
GPIB Listener Mode.
This presets the signal generator and returns it to GPIB listener mode. The signal
generator can now receive remote commands executed by a remote controller connected to
the GPIB interface.
3. Recall your instrument state from the instrument state register.
For instructions, see “Recalling an Instrument State” on page 47.
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