Originally Posted by eyecue
The round wands that are Garrett superwands, have a tendency to produce extreme sensitivity afterwhile. I have written to Garrett about this and got no good response. The issue with these wands appears after they have been dropped. I wont go into why. If a zipper is alarming then the wand is too close to it.
To add to eyecue's post, if there is a problem found with the wands they are taken out of service and sent in for repair.