I went out with a guy with an XII and I had my SE, we both had Sun Ray X1 probes. In pinpoint my tone gets louder and higher pitched as I near a target with my SE or probe, the XS doesn't, His exact words "I gotta get me one of them" It really helps you locate the distance from your target, in fact, I'm getting to the point that I don't even bother looking at the depth reading anymore, I'm just using the tones now. It's way faster and there's almost no chance of scratching my targets.