148 Chapter 3
Programming the Status Register System
Status Groups
Data Questionable Calibration Condition Register
The Data Questionable Calibration Condition Register continuously monitors the calibration status of the
signal generator; condition registers are read only.
Data Questionable Calibration Transition Filters (negative and positive)
The Data Questionable Calibration Transition Filters specify which type of bit state changes in the condition
register set corresponding bits in the event register. Changes can be positive (0 to 1) or negative (1 to 0).
Data Questionable Calibration Event Register
The Data Questionable Calibration Event Register latches transition events from the condition register as
specified by the transition filters. Event registers are destructive read-only. Reading data from an event
register clears the content of that register.
Table 3-11 Data Questionable Calibration Condition Register Bits
Bit Description
0
DCFM/DCΦM Zero Failure. A 1 in this bit indicates that the DCFM/DCΦM zero calibration routine has
failed. This is a critical error. The output of the source is not valid until the condition of this bit is 0.
1 I/Q Calibration Failure. A 1 in this bit indicates that the I/Q modulation calibration experienced a failure.
2−14 Unused. These bits are always set to 0.
15 Always 0.
Query: STATus:QUEStionable:CALibration:CONDition?
Response: The decimal sum of the bits set to 1
Commands:
STATus:QUEStionable:CALibration:NTRansition <value> (negative transition),
or STATus:QUEStionable:CALibration:PTRansition <value> (positive
transition), where <value> is the sum of the decimal values of the bits you want to enable.
Queries:
STATus:QUEStionable:CALibration:NTRansition?
STATus:QUEStionable:CALibration:PTRansition?
Query: STATus:QUEStionable:CALibration[:EVENt]?
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