10 Keysight Infiniium 9000 Series Oscilloscopes User’s Guide1 Setting Up the OscilloscopeSafetyThis product has been designed and tested in accordance with accepted industrystandards, and has been supplied in a safe condition. The documentation containsinformation and warnings that must be followed by the user to ensure safeoperation and to maintain the product in a safe condition.Safety ComplianceThis product complies with the current editions of the following standards:• CAN/CSA-C22.2 No. 61010-1-12• UL Std. No. 61010-1 (3 rd edition)Acoustic StatementThis is to declare that this instrument is in conformance with the GermanRegulation on Noise Declaration for Machines (Laermangabe nach derMaschinenlaermrerordnung -3.GSGV Deutschland).LpA < 70 dBOperator positionNormal position per ISO 7779General Safety NoticesWARNING This is a Safety Protection Class I Product (provided with a protective earthingground incorporated in the power cord). The mains plug shall only be inserted in asocket outlet provided with a protective earth contact. Any interruption of theprotective conductor inside or outside of the product is likely to make the productdangerous. Intentional interruption is prohibited.WARNING If this product is not used as specified, the protection provided by the equipmentcould be impaired. This product must be used in a normal condition (in which allmeans for protection are intact) only.WARNING No operator-serviceable parts inside. Refer servicing to qualified personnel. Toprevent electrical shock, do not remove covers.