Tektronix AFG2021 Programmer's Manual page 37

Returns
Examples
*CLS (No Query Form)
Group
Syntax
Arguments
Examples
DIAGnostic[:ALL]
Group
AFG2021 Arbitrary Function Generator Programmer Manual
<NR1>
where:
<NR1>=0 indicates that the internal calibration completed without errors.
<NR1>≠0 indicates that the instrument detected an error.
CALIBRATION:ALL
performs an internal calibration.
CALIBRATION:ALL?
performs an internal calibration and returns results. For example, it might return
0, which indicates that the calibration completed without any errors.
This command clears all the event registers and queues, which are used in the
instrument status and event reporting system.
Status
*CLS
None
*CLS
clears all the event registers and queues.
The DIAGnostic[:ALL] command performs a self-test. The DIAGnostic[:ALL]?
command returns the results after executing the test.
NOTE.
The self-test can take several minutes to complete. During this time, the
instrument does not execute any commands. Do not power off the instrument
during the self-test.
Calibration and Diagnostic
Command Descriptions
2-19