hi there fishos , having probs with charts in a hummingbird 363 trying to get east coast of aussie, keep geeting english channel i read the manual that came with the sounder and a few other gps books but cant seam to get it rigth, i plotted a cause from brissie riv to hutshes and back but know go keep getting england channel, mode is in simulater mode ,very confused can any one put me rigth in laymans t would be very greatful . rob