8 Keysight Laser Source Modules User’s Guide1 Getting Started with Laser SourceSafety ConsiderationsThe following general safety precautions must be observed during allphases of operation, service, and repair of this instrument. Failure tocomply with these precautions or with specific warnings elsewhere in thismanual violates safety standards of design, manufacture, and intendeduse of the instrument. Keysight Technologies assumes no liability for thecustomer’s failure to comply with these requirements.Before operation, review the instrument and manual, including the safetypage, for safety markings and instructions. You must follow these toensure safe operation and to maintain the instrument in safe condition.Safety SymbolsThe apparatus will be marked with this symbol when it is necessary for theuser to refer to the instruction manual in order to protect the apparatusagainst damage.Hazardous laser radiation.Initial InspectionInspect the shipping container for damage. If there is damage to thecontainer or cushioning, keep them until you have checked the contents ofthe shipment for completeness and verified the instrument bothmechanically and electrically.WARNING The WARNING sign denotes a hazard. It calls attention to a procedure,practice or the like, which, if not correctly performed or adhered to, couldresult in injury or loss of life. Do not proceed beyond a WARNING signuntil the indicated conditions are fully understood and met.