gp3000 gb button

hi all , I got the chance to try out the gp3000 after doing the ground balance mod ( button on the handle) and have to say it works a treat ,no more fumbling for the switch ,and more importantly , balancing more often cos you can. I chose to drill a hole and use a momentary button from jaycar , don't know how well the button will last , not up to the minelab quality but easy enough to replace if it stuffs up . The socket didn't have enough thread to use the nut but the hole was a neat fit and I used a dob of superglue (good thick plastic on the end covers)
thanks Brett