E8257D H1K
Safety and Information
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.
For continued protection against fire hazard replace line fuse only with
same type and rating. The use of other fuses or material is prohibited.
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.
The opening of covers or removal of parts is likely to expose the user to
dangerous voltages. Disconnect the instrument from all voltage sources
before opening.
No operator serviceable parts inside. Refer servicing to qualified
personnel. To prevent electrical shock, do not remove covers.
The detachable power cord is the instrument disconnecting device. It
disconnects the mains circuits from the mains supply before other parts
of the instrument. The front panel switch is only a standby switch and is
not a LINE switch (disconnecting device).
Connector Care and Cleaning Precautions
Remove the power cord to the instrument. To clean the connectors use alcohol in a well
ventilated area. Allow all residual alcohol moisture to evaporate, and fumes to dissipate prior to
energizing the instrument.
To prevent electrical shock, disconnect the Keysight E8257D Option H1K
from mains electrical supply before cleaning. Use a dry cloth or one slightly
dampened with water to clean the external case parts. Do not attempt to
clean internally.
If flammable cleaning materials are used, the material shall not be stored,
or left open in the area of the equipment. Adequate ventilation shall be
assured to prevent the combustion of fumes, or vapors.
Keysight E8257D Option H1K User's Guide
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