reset

I've been trying to figure out how to default my Minelab Manticore, and I've tried to get this information online, but I'm getting everything but. I want to factory reset it, since I'm hoping it may resolve the relentless squealing/squawking noises on all but one of the beach settings (I've...

my garrett at pro would false when I bumped sticks or got to close and scrubbed the ground. I factory rest the machine many times just like in the garret videos on youtube. well my detector was on when I reset it. to truly factory reset the machine while the unit is off press and hold the power...