Agilent Technologies ESA Series User's/Programmer's Reference page 3

This is a Safety Class 1 Product (provided with a protective
WARNING
earth ground incorporated in the power cord). The mains plug
shall be inserted only in a socket outlet provided with a
protected earth contact. Any interruption of the protective
conductor inside or outside of the product is likely to make the
product dangerous. Intentional interruption is prohibited.
No operator serviceable parts inside. Refer servicing to
WARNING
qualified personnel. To prevent electrical shock do not remove
covers.
If this product is not used as specified, the protection provided
WARNING
by the equipment could be impaired. This product must be used
in a normal condition (in which all means for protection are
intact) only.
Always use the three-prong AC power cord supplied with this product.
CAUTION
Failure to ensure adequate grounding may cause product damage.
Where to Find the Latest Information
Documentation is updated periodically. For the latest information about
Agilent Technologies ESA Spectrum Analyzers, including firmware
upgrades and application information, please visit the following
Internet URL:
http://www.agilent.com/find/esa
Microsoft  is a U.S. registered trademark of Microsoft Corp.
Bluetooth  is a trademark owned by its proprietor and used under
license.
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