Safety Considerations; Safety Earth Ground; Before Applying Power - Agilent Technologies 8719ET Service Manual

Safety and Regulatory Information

Safety Considerations

Safety Considerations
NOTE This instrument has been designed and tested in accordance with IEC
Publication 1010, Safety Requirements for Electronics Measuring Apparatus,
and has been supplied in a safe condition. This instruction documentation
contains information and warnings which must be followed by the user to
ensure safe operation and to maintain the instrument in a safe condition.

Safety Earth Ground

This is a Safety Class I product (provided with a protective earthing
WARNING
ground incorporated in the power cord). The mains plug shall only
be inserted in a socket outlet provided with a protective earth
contact. Any interruption of the protective conductor, inside or
outside the instrument, is likely to make the instrument dangerous.
Intentional interruption is prohibited.
WARNING Always use the three-prong AC power cord supplied with this
product. Failure to ensure adequate earth grounding by not using
this cord may cause product damage.

Before Applying Power

CAUTION The front panel LINE switch disconnects the mains circuits from the mains
supply after the EMC filters and before other parts of the instrument.
Make sure that the analyzer line voltage selector switch is set to the voltage
CAUTION
of the power supply and the correct fuse is installed.
CAUTION If this product is to be energized via an autotransformer make sure the
common terminal is connected to the neutral (grounded side of the mains
supply).
15-6
8719ET/20ET/22ET
8719ES/20ES/22ES
RF Network Analyzers
Service Guide