Originally Posted by
jimp
The spot lock feature is a good/nice/convenient feature on the IP but it will not hold your boat w/in the advertised circle. You will drift off and it will pull you back on target but it will not perform as advertised. If you plan on using the IP to "anchor" off of brush piles, you will drift off and then come back depending on wind/waves, etc. Wind/waves/wakes will push the boat off course/track if you use the maintain heading or whatever the feature is called when trolling, but it will keep the boat headed in that designated direction.
It's a great tool to have, but don't believe everything you read on the MK site. It's not perfect, but a good tool to have.