AFAIK there are no groups for that unit. AD-YU is pretty much an orphan, although the meters are fairly common.
Try BAMA and Dave at ArtekMedia. FWIW, -John =============== > AD-YU Electronics Precision Phase Meter Type 406L > Has anyone got an instruction manual or service manual? > I have the Phase Meter and now need some information. > John GW3XPK johnrd...@gmail.com > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > > _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
