
Installation Note
Firmware Revision Upgrade Kit
(Option UE2) for Agilent Technologies
ESA-E Series and ESA-L Series
Spectrum Analyzers
HP Part Number E4401-90211 Supersedes E4401-90087
Printed in USA April 2000

Notice.
The information contained in this document is subject to change without notice.
Agilent Technologies makes no warranty of any kind with regard to this material, including butnotlimited
to, the implied warranties of merchantability and fitness for a particular purpose. Agilent Technologies
shallnotbeliableforerrors contained herein orfor incidental or consequentialdamages in connection with
the furnishing, performance, or use of this material.
© Copyright Agilent Technologies, Inc. 1999, 2000