Doing my head in !

[Shanebasing]

alright mate had the same problem with my euroace detector kept going off all the time.
the best thing which worked for me was have it in all metal mode and turn the sensitivity down so its 3 bars from the end and slow the sweep down,you will hear the iron tones and when you get the mid to high tone or double ding do short sweeps side to side to locate it.