30" nuggetfinder mono

have bought a 30"by7" nugget finder patchfinder I heard they are very sensative on small bits, but am finding its not very sensative at all dug a two gram bit only down two inches and it was just the faintest murmer but screams on my 16" nuggetfinder round mono also got a five gram bit on the surface should have been realy loud but only just heard it!has anyone else been using them? would like some feedback maybe Iv'e got a dud

Nigal what machine are you running???
Wombat

am using a 4500 set in enhance motion slow gain 10

Have a look at this Nigel;
https://golddetecting.forumotion.net/t4138-nugget-finder-30-x-7-patch-pro-best-settings#45819

That coil is supposed to be quite sensitive, according to other posters.

Johnno