Map Legends v5.2.3 Onwards

Map legends can be accessed as follows:

Go to Settings>Download>Download Map Legends (map legends must be downloaded before you can access them)

Next:

-Open the map select dialogue -Choose the map you wish to use -Re-open the map select dialogue and in the top left hand corner of the box you will see the word 'Legend' in blue -Tap the word legend to open the map legends

If there is no legend for the chart you are viewing it is because we haven't been supplied them (e.g. WAC)