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Chapter 3 System Overview
Firmware and Control Module Description
4
3
Firmware and Control Module Description
The Agilent 3499A/B/C and this manual support two versions of the
Agilent 3499A/B/C control module and four versions of firmware.
Firmware revisions and control module versions can be queried either by
front-panel operation or using the remote interface. See page 52 for a
procedure to read the revision from the front-panel or page 153 for
remote interface operation.
From the front-panel:
From the remote interface, in response to the *IDN? query, one of two
typical strings is returned:
“Agilent Technologies, 3499, cnxxxxxx, 3.0”
“Agilent Technologies, 3499, myxxxxxx, 4.0 2.0”
In these strings, cnxxxxxx or myxxxxxx is the instrument serial number.
Note that the control module revision is not returned for revision 1.0
control modules.
The table on the next page lists the differences between firmware and
control module revisions.
Control Module Revision Firmware Revision Typical Display
1.0 1.0 REVISION 1.0
1.0 2.0 REVISION 2.0
1.0 3.0 REVISION 3.0
2.0 4.0 REV 4.0 2.0
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