User`s manual

Chapter 3 System Overview

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 from the

front-panel. See page 48 for a procedure to read the revision from the

front-panel.

From the front-panel:

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