Does anyone know of a person that does repair work on the sunshiine coast to fix a Compass Coin magnum ....Just scored one with a 8 inch @12 inch coils .in good condition apart from battery lead .in original timber case .Original manual as well .Very old and brags in the manual it willfind pplstols at 24 inches .No model no on detector or in manual so may have to remove cover to see if info inside