22 Keysight Technologies N9040B UXA Signal Analyzer Service Guide
Overview
Before You Start Troubleshooting
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 protective
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.
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.
This instrument has an autoranging line voltage input; be sure the supply voltage is within the
specified range.
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