Keysight N4985A Operating and Service Manual 3Compliance Notices and Regulatory InformationCompliance with Electromagnetic Compatibility (EMC)This product conforms with the protection requirements of EMC Directive 2004/108/EC for Electromagnetic Compatibility.This product complies to the EMC Directive by assessment according to the IEC/EN61326-1:2005 EMC standard.In order to preserve the EMC performance of this product, any cable whichbecomes worn or damaged must be replaced with the same type andspecifications.