7 status reporting, 1 the error queue – B&K Precision 4045B - Manual User Manual

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will return the maximum value to which the

frequency may currently be set.

Not all Program Message units have query forms (for

example, SAV), and some Program Message Units might

have only the query form (for example IDN?).

The instrument puts the response to the query into the

output queue, from where it may be read by the controller.

NOTE: All commands should be terminated with a

carriage return or line feed character. Any

response string from a query command has both

and characters appended. For example,

an amplitude query command will return

1.23.

4.7 Status Reporting

The instrument is capable of reporting status events and

errors to the controller.

4.7.1 The Error Queue

The error queue is used to store codes of errors detected

in the device. It is implemented as a cyclic buffer of length

10. The error queue is read with the following query:

ERR?