Keysight E4990A - Safety Symbols; Certification

6 Keysight E4990A Impedance Analyzer
Caution
Safety Symbols
-
To avoid the danger of introducing additional hazards, do not install
substitute parts or perform unauthorized modifications to the instrument.
Return the instrument to a Keysight Technologies Sales and Service Office
for service and repair to ensure that safety features are maintained in
operational condition.
• Dangerous Procedure Warnings
Warnings, such as the example below, precede potentially dangerous
procedures throughout this manual. Instructions contained in the warnings
must be followed.
Safety Symbols
General definitions of safety symbols used on the instrument or in manuals are
listed below.
Certification
Keysight Technologies certifies that this product met its published
specifications at the time of shipment from the factory. Keysight Technologies
further certifies that its calibration measurements are traceable to the United
Dangerous voltage levels, capable of causing death, are present in this
instrument. Use extreme caution when handling, testing, and adjusting
this instrument.
Instruction Manual symbol: the product is marked with this symbol when it is
necessary for the user to refer to the instrument manual.
Alternating current.
Direct current.
On (Supply).
Off (Supply).
A chassis terminal; a connection to the instrument’s chassis, which includes
all exposed metal structure.
Standby.