Keysight EXG and MXG X-Series Signal Generators User’s Guide 435TroubleshootingContacting Keysight TechnologiesContacting Keysight Technologies— assistance with test and measurements needs, and information on finding a local Keysightoffice:http://www.keysight.com/find/assist— accessories or documentation: http://www.keysight.com/find/X-Series_SG.— new firmware releases: http://www.keysight.com/find/upgradeassistant.If you do not have access to the Internet, please contact your field engineer.Returning a Signal Generator to KeysightUse the following steps to return a signal generator to Keysight Technologies for servicing:1. Gather as much information as possible regarding the signal generator’s problem.2. Call the phone number listed on the Internet (http://www.keysight.com/find/assist) that isspecific to your geographic location. If you do not have access to the Internet, contact yourKeysight field engineer.After sharing information regarding the signal generator and its condition, you will receiveinformation regarding where to ship your signal generator for repair.3. Ship the signal generator in the original factory packaging materials, if available, or use similarpackaging to properly protect the signal generator.In any correspondence or telephone conversation, refer to the signalgenerator by its model number and full serial number. With thisinformation, the Keysight representative can determine whether your unitis still within its warranty period.