Warnings - Keysight 478A Operating And Service Manual

478A Option H83

Warnings

WARNING
The WARNING notice denotes a hazard. It calls attention to a
procedure which if not correctly performed or adhered to, could
result in personal injury. Do not proceed beyond a WARNING notice
until the indicated conditions are fully understood and met.
Warnings applicable to this instrument are:
To prevent electrical shock, disconnect the Keysight Technologies
WARNING
instrument from mains before cleaning. Use a dry cloth or one
slightly dampened with water to clean the external case parts. Do
not attempt to clean internally.
WARNING
If this product is not used as specified, the protection provided by
the equipment could be impaired. This product must be used in a
normal condition (in which all means for protection are intact) only.
WARNING
For continued protection against fire hazard replace line fuse only with
same type and rating:
• United States—F 0.5A/250V, Part Number 2110-0202
• Europe—F 3.15A/250V, Part Number 2110-0655
The use of other fuses or material is prohibited.
WARNING
This is a Safety Class I product (provided with a protective earthing
ground incorporated in the power cord). The mains plug shall be
inserted only into a socket outlet provided with a protective earth
contact. Any interruption of the protective conductor, inside or
outside the product is likely to make the product dangerous.
Intentional interruption is prohibited.
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
The opening of covers or removal of parts is likely to expose
dangerous voltages. Disconnect the instrument from all voltage
sources while it is being opened.
WARNING
This product is designed for use in Installation Category II and
Pollution Degree 2 per IEC 61010-1: 2001.
WARNING
No operator serviceable parts inside. Refer servicing to qualified
personnel. To prevent electrical shock do not remove covers.
Thermistor Mount Manual Modifications
General Information
Safety and Regulatory Information
11