Power Meter Operation
Contacting Agilent Technologies
Agilent E4419B User’s Guide 2-81
Contacting Agilent Technologies
This section details what to do if you have a problem with your power 
meter.
If you have a problem with your power meter, first refer to the section . 
This chapter contains a checklist that will help identify some of the most 
common problems. 
If you wish to contact Agilent Technologies about any aspect of the power 
meter, from service problems to ordering information, refer to “Sales and 
Service Offices”, on page 2-84.
If you wish to return the power meter to Agilent Technologies refer to 
“Returning Your Power Meter for Service”, on page 2-86.
Before calling Agilent Technologies
Before calling Agilent Technologies or returning the power meter for 
service, please make the checks listed in “Check the Basics”, on page 2-82. 
If you still have a problem, please read the warranty printed at the front 
of this guide. If your power meter is covered by a separate maintenance 
agreement, please be familiar with the terms.
Agilent Technologies offers several maintenance plans to service your 
power meter after warranty expiration. Call your Agilent Technologies 
Sales and Service Center for full details.
If the power meter becomes faulty and you wish to return the faulty 
instrument, follow the description on how to return the faulty instrument 
in the section “Sales and Service Offices”, on page 2-84.
HP4402.book  Page 81  Thursday, November 30, 2000  1:39 PM