NARDASafetyTestSolutionsS.r.l. Socio UnicoSales & Support:Via Rimini, 2220142 - Milano (MI)Tel.: +39 02 581881Fax: +39 02 58188273Manufacturing Plant:Via Benessea, 29/B17035 - Cisano sul Neva (SV)Tel.: +39 0182 58641Fax: +39 0182 586400http://www.narda-sts.itSERIAL NUMBER OF THE INSTRUMENTYou can find the Serial Number on the rear panel of the instrument.Serial Number is in the form: 0000X00000.The first four digits and the letter are the Serial Number prefix, the last five digits arethe Serial Number suffix. The prefix is the same for identical instruments, it changesonly when a configuration change is made to the instrument.The suffix is different for each instrument.Document L3EN-10423 – Copyright © NARDA 2021User’s ManualPMM L3-32PMM L3-64PMM L3-64/690PMM L3-100PMM L1-500PMM L3-500ARTIFICIAL MAINS NETWORKSPMM SBRF4RF SWITCHING BOX