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Introduction
WA R N I N G
14
To avoid the possibility of injury or death, you must observe the
following precautions before switching on the instrument.
• Insert the power cable plug only into a socket outlet provided
with a protective earth contact. Do not use an extension cord
without a protective conductor. Using an extension cord
withgout a protective conductor means the instrument is not
earthed.
• Do not interrupt the protective earth connection intentionally.
• Do not remove protective covers. Operating personnel must not
remove instrument covers. Component replacement and
internal adjustments must be made only by qualified service
personnel.
• Instruments that appear damaged or defective should be made
inoperative and secured against unintended operation until they
can be repaired by qualified service personnel.
• Defective, damaged, or malfunctioning instruments must be
returned to a Keysight Technologies Service Center.
Do not operate the instrument in the presence of flammable gases
or fumes. Operation of any electrical instrument in such an
environment constitutes a definite safety hazard.
Keysight N4373D Lightwave Component Analyzer, User's Guide
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