24 Keysight N9038A MXE Service Guide
Overview
General Safety Considerations
General Safety Considerations
The following safety notes are used throughout this manual. Familiarize
yourself with each of the notes and it’s meaning before operating this
instrument.
Warning denotes a hazard. It calls attention to a procedure which, if not correctly performed or
adhered to, could result in injury or loss of life. Do not proceed beyond a warning note until the
indicated conditions are fully understood and met.
Caution denotes a hazard. It calls attention to a procedure that, if not correctly performed or
adhered to, could result in damage to or destruction of the instrument. Do not proceed beyond a
caution sign until the indicated conditions are fully understood and met.
These servicing instructions are for use by qualified personnel only. To avoid electrical shock, do
not perform any servicing unless you are qualified to do so.
This is a Safety Class 1 Product (provided with a protective earthing ground incorporated in the
power cord). The mains plug shall only be inserted in a socket outlet provided with a protected
earth contact. Any interruption of the protective conductor inside or outside of the product is
likely to make the product dangerous. Intentional interruption is prohibited.
The power cord is connected to internal capacitors that may remain live for 5 seconds after
disconnecting the plug from it’s power supply.
The detachable power cord is the instrument disconnecting device. It disconnects the mains
circuits from the mains supply before other parts of the instrument. The front panel switch is only
a standby switch and is not a LINE switch (disconnecting device).
The opening of covers or removal of parts is likely to expose dangerous voltages. Disconnect the
product from all voltage sources before starting to open.
To prevent electrical shock, disconnect the analyzer from mains before cleaning. Use a dry cloth
or one slightly dampened with water to clean the external case parts. Do not attempt to clean
internally.
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