ADVICE PLEASE
Very pleased to have found that it is possible to offer a range of assumed
speeds in Nautical Miles per hour, and to present a more useful route line
(ie does not obscure important map details).
But disappointed to have lost all voice prompts (turn commands) in all
travel modes.
Some progress, but a snag.
The good news - In "Boat" mode, navigation offers a range of selectable
speeds in Knots. Calculated results seem to be mathematically correct, and
length of route line is accurate on the map.
The bad news - The voice announcement which should come at the start of the