256 Keysig ht N9923-90001 User’s GuideSafety ConsiderationsFieldFox MarkingsFieldFox MarkingsThe CSA mark is a registered trademark of CSA International.The RCM Mark is a registered trademark of the Australian Communications andMedia Authority.This symbol combines the following three markings:CE indicates product compliance with all relevant European legal Directives (ifaccompanied by a year, it signifies when the design was proven).ICES indicates product compliance with the Canadian Interference-CausingEquipment Standard (ICES–001).ISM indicates this is an Industrial Scientific and Medical Group 1 Class B product(CISPR 11, Clause 4)The Standby symbol is used to mark a position of the instrument power lineswitch.This symbol indicates separate collection for electrical and electronic equipment,mandated under EU law as of August 13, 2005. All electric and electronicequipment are required to be separated from normal waste for disposal(Reference WEEE Directive, 2002/96/EC).Indicates the time period which no hazardous or toxic substance elements areexpected to leak or deteriorate during normal use. Forty years is the expecteduseful life of the product.This symbol indicates the Environmental Protection Use Period (EPUP) for theproduct’s toxic substances and for the China RoHS requirements.CAUTION, risk of danger, refer to safety information in manual.Dispose of properlyHot surface - connectors get hot during extended operation, so care must betaken when making connections and disconnections.