Northstar's 6100i (Platinum) Chartplotter : Northstars 6100i will change the way you think about and use marine electronics. Theres no learning curve. Touch one key and things happen. Plotter, radar, sounder and video are all equally easy to use. These units are intuitively easy. Stand-alone or an integrated system, theyre smart. You pick the display size you want, you choose the functions you need. Start simple, it stays simple, no matter how big the boat, how many stations or how many functions you add.