Okay, so we are going to try to explain this next concept so everyone can understand it. So, essentially, a target ID for a metal detector is an accurate way to measure a target’s phase response. Basically, granted you have a unit with discriminate level control, you can increase the discriminate level until the target disappears and then that will tell you where your target is.
Well, that is exactly what the target ID is going to do for you. This becomes important as it allows you to better triangulate the position of the target that is underground. But, many targets will have identical responses so the technology is not foolproof. In short, it is something that most models will feature and it will be a user-friendly tool (even if it sounds too complicated at the moment to understand).