Personal Safety Warnings; Safety Earth Ground; Electrostatic Discharge (Esd) Protection - Keysight N9912A Service Manual

RF Analyzer
N9912A

Personal Safety Warnings

WARNING These servicing instructions are for use by qualified personnel only. To avoid electrical
shock, do not perform any servicing unless you are qualified to do so.
WARNING Danger of explosion if battery is incorrectly replaced. Replace only with the same or
equivalent type recommended. Discard used batteries according to manufacturer's
instructions.

Safety Earth Ground

WARNING This is a Safety Class I product (provided with a protective earthing ground incorporated
in the power cord). The mains plug shall only be inserted in a socket outlet provided with
a protective earth contact. Any interruption of the protective conductor, inside or outside
of the instrument, will make the instrument dangerous. Intentional interruption is
prohibited.
CAUTION Always use the three-prong AC power cord supplied with this product. Failure to ensure
adequate grounding by not using this cord may cause product damage.

Electrostatic Discharge (ESD) Protection

CAUTION Many of the assemblies in this instrument are very susceptible to damage from electrostatic
discharge (ESD). Perform the following procedures only at a static-safe workstation and
wear a grounded wrist strap.
This is important. If not properly protected against, electrostatic discharge can seriously
damage your analyzer, resulting in costly repair.
To reduce the chance of electrostatic discharge, follow all of the recommendations outlined
in "Electrostatic Discharge Protection" on page
Service Guide N9912-90003
Repair and Replacement Procedures
Personal Safety Warnings
1-5, for all of the procedures in this chapter.
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