2.From the Map Page, press MENU↓ to MAP DATAENT↓ to MAP CHOICEENT. Select the Map Name, then press ENTEXITEXIT.
WARNING:
You should never format the MMC containing your Navionics chart. Formatting the MMC will permanently erase the chart from the card.
Overlay Data
On any Page display except Satellite Status, you can float or overlay additional GPS or navigation data on the screen with the Overlay Data command. For example, if you left your watch at home, you could dis- play the local time on top of the map. Or if you wanted to see details about your route and trip, you could show your bearing, course, average speed and trip distance.
Overlay Data menu with Press Ent to add highlighted (left). Data viewer with GPS Data category opened (center). Ground Speed is turned on (checked). Both GPS Data and Trip Calculator categories are opened (right) with Ground Speed, Position and Trip Time turned on.
To overlay information on your screen:
1.While on the Map Page, press MENU↓ to OVERLAY DATAENT.
2.Select ENT TO ADD and press ENT. The Data Viewer menu will appear. It has four categories: GPS Data, Navigation, Trip Calculator and Time. If the desired category is flanked by a "+", a list of data options will appear when you highlight the category and press ENT. After opening a category it will have a
3.Open the desired category and use ↑ ↓ to select the desired overlay
data option and press ENT to turn it on (check) or turn it off (uncheck). Use ↑ ↓ to select another overlay data option for display or press EXITEXIT to return to normal operation..
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