C Series MFD Wont Show All Chart Soundings

[Neil Langford]

Thanks Dave, appreciate that point, and I'll do an update from our iPad later today to see if that fixes it. However, that doesn't explain how the soundings were visible on one day, and not the next. The nav card is less than twelve months old, and is registered with Navionics. Our Navionics Plus subscription for this area is valid for thew iPad also. Anyway, I'll try updating from the iPad and let you know the result.