Fisher F-75 – Interference Information
*reposted from dankowskidetectors.com* ELECTRICAL INTERFERENCEThe Fisher F75 is probably the most sensitive metal detector evermanufactured.Such high sensitivity makes the F75 susceptible to electricalinterference. In DiscriminationMode, electrical interference may cause the F75 to chatter or beepspontaneously. Indoor use, or use in…