Keysight Technologies 3458A Guide D'utilisation page 5

Safety Considerations
Read the information below before using this instrument.
The following general safety precautions must be observed during all phases of
operation, service, and repair of this instrument. Failure to comply with these
precautions or with specific warnings elsewhere in this manual violates safety
standards for design, manufacture, and intended use of the instrument. Keysight
Technologies assumes no liability for the customer's failure to comply with these
requirements.
– Ground the equipment: For Safety Class 1 equipment (equipment having
WARNING
– DO NOT operate the product in an explosive atmosphere or in the
– For continued protection against fire, replace the line fuse(s) only with
– Keep away from live circuits: Operating personnel must not remove
– DO NOT operate damaged equipment: Whenever it is possible that the
Keysight 3458A User's Guide
a protective earth terminal), an uninterruptible safety earth ground must
be provided from the mains power source to the product input wiring
terminals or supplied power cable.
presence of flammable gases or fumes.
fuse(s) of the same voltage and current rating and type. DO NOT use
repaired fuses or short-circuited fuse holders.
equipment covers or shields. Procedures involving the removal of covers
or shields are for use by service-trained personnel only. Under certain
conditions, dangerous voltages may exist even with the equipment
switched off. To avoid dangerous electrical shock, DO NOT perform
procedures involving cover or shield removal unless you are qualified to
do so.
safety protection features built into this product have been impaired,
either through physical damage, excessive moisture, or any other reason,
REMOVE POWER and do not use the product until safe operation can be
verified by service-trained personnel. If necessary, return the product to
Keysight for service and repair to ensure that safety features are
maintained.
5