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Keysight N1911A/1912A Service Guide
Equipment Operation
Personal safety considerations
This is a Safety Class I product (provided with a protective earthing ground
incorporated in the power cord). The mains plug shall only be inserted in a socket
outlet provided with a protective earth contact. Any interruption of the protective
conductor, inside or outside the instrument, is likely to make the instrument
dangerous. Intentional interruption is prohibited. If this instrument is not used as
specified, the protection provided by the equipment could be impaired. This
instrument must be used in a normal condition (in which all means of protection
are intact) only.
No operator serviceable parts inside. Refer servicing to qualified personnel. To
prevent electrical shock, do not remove covers. For continued protection against
fire hazard, replace the line fuse(s) only with fuses of the same type and rating (for
example, normal blow, time delay, etc.). The use of other fuses or material is
prohibited.
