NE050-060 50Hz User and Technical ManualFor Serial Numbers beginning with XXXXXX through XXXXXXclick below to download the associated manual124006 through 130301130302 through 130403130404 through 130602130603 through 130901130902 through 133204133205 through 140105140106 through 141404141405 through 142404142405 through 143201143202 through 150404150405 through 151301151302 through 162302162303 through 163101163102 through 170204170205 through 170302170303 through 172701172702 through 173504173505 through 174004174005 through 180405180406 through 183603183604 through 184001184002 through 190803190804 through 191404191405 through 192502192503 through 193304193305 through 195302195303 through 202302From 202303 to present