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1258 User Manual
Operating Instructions 4-16
Racal Instruments
©
2005
Error Query (*ERR?
and *ERR:DESC?)
The *ERR? query returns the error code for the error that occurred.
The *ERR:DESC? query returns an character description of the
last error that occurred. The following errors may occur:
Code (dec.) Description
0
No error (successful)
81 RS-232
Timeout
82 Invalid
argument
83 Unrecognized
command
Syntax:
*ERR? - returns error code value of last error (returns '0' if no
error exist)
*ERR:DESC? - returns a character description of last error
Examples:
*ERR? - returns '82' to indicate the last error was that an invalid
argument was received.
*ERR:DESC? - returns 'INVALID ARGUMENT' as the last
error.
System Clear
Command (*CLS?)
Syntax:
*CLS
Examples:
*CLS - clears pending query and last error
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