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Getting Started
Safety Considerations
Safety Symbols
Initial Inspection
6
The following general safety precautions must be observed
during all phases of operation, service, and repair of this
instrument. Failure to comply with these precautions or with
specific warnings elsewhere in this manual violates safety
standards of design, manufacture, and intended use of the
instrument. Keysight Technologies assumes no liability for
the customer's failure to comply with these requirements.
Before operation, review the instrument and manual,
including the red safety page, for safety markings and
instructions. You must follow these to ensure safe operation
and to maintain the instrument in safe condition.
The WARNING sign denotes a hazard. It calls attention to a procedure,
WA R N I NG
practice or the like, which, if not correctly performed or adhered to,
could result in injury or loss of life. Do not proceed beyond a WARNING
sign until the indicated conditions are fully understood and met.
The apparatus will be marked with this symbol when it is
necessary for the user to refer to the instruction manual in
order to protect the apparatus against damage.
Hazardous laser radiation.
Inspect the shipping container for damage. If there is
damage to the container or cushioning, keep them until you
have checked the contents of the shipment for completeness
and verified the instrument both mechanically and
electrically.
The Performance Tests give procedures for checking the
operation of the instrument. If the contents are incomplete,
mechanical damage or defect is apparent, or if an instrument
does not pass the operator's checks, notify the nearest
Keysight Technologies Sales/Service Office.
To avoid hazardous electrical shock, do not perform electrical tests
WA R N I NG
when there are signs of shipping damage to any portion of the outer
enclosure (covers, panels, etc.).
Keysight 81490A Reference Transmitter Module User's Guide, Edition 3.0
Safety Considerations
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