HP 5501A Operating And Service Manual page 4

Laser transducer (laser head)
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Although this system has been designed in accordance with international safety standards,
this manual contains information, cautions, and warnings which must
be
followed t o ensure
safe operation and to retain the system in safe condition. Removal of the cover and rub!sequent
service or adjustments should
be
performed only by qualified service personnel.
L
1
WARNING
HIGH VOLTAGES ARE GENERATED WITHIN THE LASER HOUSING.
THE COVER OF THE MODEL 5500C LASER IS PROVIDED WITH AN
INTERLOCK TO PREVENT ACCIDENTAL ACCESS TO VOLTAGES.
FOR SAFETY, THERE ARE N O HIGH VOLTAGES O N THE INTER-
CONNECTING CABLE.
t
%
CAUTION
Any adjustment, maintenance, and repair of an opened instrument
under voltage should
be
avoided as much as possible and, when in-
evitable, should
be
carried out only by a skilled person who i s aware
of the hazard involved.
Capacitors inside the instruments may still
be
charged even i f the
instruments have been disconnected from their source of supply.
Whenever it is likely that the protection has been impaired, the
system must
be
made inoperative and
be
secured against any un-
intended operation.
Use of controls or adjustments, or performance of procedures other
than those specified herein may result in hazardous radiation exposure.

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