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Safety Summary
W A R N I N G
C A U T I O N
Agilent 81570A, 71A, 76A, 77A & 78A Variable Optical Attenuators, Eigth Edition
Safety Summary
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. Agilent Technologies Inc. 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, 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.
Optical power levels above 100 mW applied to single mode connectors can easily damage
the connector if it is not perfectly clean. Also, scratched or poorly cleaned connectors can
destroy optical connectors mechanically. Always make sure that your optical connectors are
properly cleaned and unscratched before connection. Refer to chapter "Cleaning
Information" on page 77 on appropriate procedures for connector cleaning and inspection.
However, Agilent Technologies Deutschland GmbH assumes no responsibility in case of an
operation that is not compliance with the safety instructions as stated above.
Safety Symbols
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.
Initial Inspection
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 Agilent Technologies Sales/Service
Office.
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