HP 83751A Programming Manual page 7

General Safety Considerations
Before this instrument is switched on, make sure it has been properly
W A R N I N G
grounded through the protective conductor of the ac power cable to a
socket outlet provided with protective earth contact.
Any interruption of the protective (grounding) conductor, inside or
outside the instrument, or disconnection of the protective earth terminal
can result in personal injury.
There are many points in the instrument which can, if contacted, cause
W A R N I N G
personal injury. Be extremely careful.
Any adjustments or service procedures that require operation of the
instrument with protective covers removed should be performed only by
trained service personnel.
C A U T I O N
has been adapted to the voltage of the ac power source.
Failure to set the ac power input to the correct voltage could cause damage to
the instrument when the ac power cable is plugged in.
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