4 N1911A/1912A P-Series Power Meters Programming GuideEquipment OperationWarnings and CautionsThis guide uses warnings and cautions to denote hazards.Personal Safety ConsiderationsThis is a Safety Class I product (provided with a protective earthing groundincorporated in the power cord). The mains plug shall only be inserted in a socketoutlet provided with a protective earth contact. Any interruption of the protectiveconductor, inside or outside the instrument, is likely to make the instrumentdangerous. Intentional interruption is prohibited. If this instrument is not used asspecified, the protection provided by the equipment could be impaired. Thisinstrument must be used in a normal condition (in which all means of protectionare intact) only.No operator serviceable parts inside. Refer servicing to qualified personnel. Toprevent electrical shock, do not remove covers. For continued protection againstfire hazard, replace the line fuse(s) only with fuses of the same type and rating (forexample, normal blow, time delay, etc.). The use of other fuses or material isprohibited.WARNING – A WARNING notice denotes a hazard. It calls attention to an operatingprocedure, practice, or the like that, if not correctly performed or adheredto, could result in personal injury or loss of life. Do not proceed beyond aWARNING notice until the indicated conditions are fully understood andmet.CAUTION – A CAUTION notice denotes a hazard. It calls attention to an operatingprocedure, practice, or the like that, if not correctly performed or adheredto, could result in damage to the product or loss of important data. Donot proceed beyond a CAUTION notice until the indicated conditions arefully understood and met.
