5
Contacting Keysight
Assistance with test and measurements needs and information on finding a local Keysight office are available 
on the Web at: http://www.keysight.com/find/assist.
If you do not have access to the Internet, please contact your Keysight field engineer. 
In any correspondence or telephone conversation, refer to the Keysight product by its model number and full 
serial number. With this information, the Keysight representative can determine whether your product is still 
within its warranty period.