B&K Precision 2552-2559 - Programming Manual - Manual (Page 36)

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DESCRIPTION The DDR? Query reads and clears the contents of
the Device Dependent or device specific error
Register (DDR). In the case of a hardware
failure, the DDR register specifies the origin of
the failure.
QUERY SYNTAX
DDR?
RESPONSE FORMAT DDR
: = 0 to 65535
EXAMPLE
The following instruction reads the contents of
the DDR register:
Command message:
DDR?
Response message:
DDR 0
RELATED COMMANDS ALL_STATUS? ,*CLS
STATUS DDR?
Query