trw@hrc63.co.uk (Trevor Wright "Marconi Baddow") (03/10/89)
Do anyone have recommendations on the frequency these units need a clean. Taking home video-recorders as a model, I guess not too often... Trevor Wright GEC-Marconi Research Centre Chelmsford UK yc23@uk.co.gec-mrc@nss.cs.ucl.ac.uk