Tektronix AFG2021 Programmer's Manual page 36

Command Descriptions
Group
Syntax
Related Commands
Arguments
Returns
Examples
CALibration[:ALL]
Group
Syntax
Related Commands
Arguments
2-18
Calibration and Diagnostic
*CAL?
CALibration[:ALL]
None
<NR1>
where:
<NR1>=0 indicates that the internal calibration completed without errors.
<NR1>≠0 indicates that the instrument detected an error.
*CAL?
performs an internal calibration and returns results. For example, it might return
0, which indicates that the calibration completed without any errors.
The CALibration[:ALL] command performs an internal calibration.
The CALibration[:ALL]? command performs an internal calibration and returns 0
(Pass) or a calibration error code.
NOTE. The self-calibration 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-calibration.
Calibration and Diagnostic
CALibration[:ALL]
CALibration[:ALL]?
*CAL?
None
AFG2021 Arbitrary Function Generator Programmer Manual