I don't have that problem, Mayo. I use the depth guage all the time to judge target depth. Of course tiny targets will show deeper than they are and larger ones might show shallower. One thing I did notice on mine is that the depth meter shows the target deeper than it really is if the coil is being held still over the target. When I move the coil, the depth pops back up to where the target is. You might also show deeper if you're not centered on the target...
I don't use the depth guage in pinpoint mode, either. Seems to me that I noticed it isn't accurate in pinpoint.
Next time we're out together, we'll compare machines.
I feel the same as Kimsdad almost word for word....Once you locate and pinpoint a target....And while centered over the target in pinpoint it may say 8".....Now take it out of pinpoint (with the coil in the same position) and when you swing back over the target "watch the depth meter change to 5-6" or 7" That is the acurate depth....With this in mind...Pinpoint the target again...It will again say 8"..But you now know you are centered over the target...So just dig your target that you know to look for between 6"-7". And as Kimsdad says........If you are pinpointing over a target that read 8" because it was deep.Take a minute to rescan around,and you may find that it was a shallow 2" target that you goofed pinpointing on....Just my 2 Cents