Some of the overlays display gradient. For videos taken out in the hills, this is very erratic.
It seems to display normal figures and switches to -- a lot.
Is this because it can't calculate the gradient correctly due to the slow speed? I'm guessing that it's calculated using the GPS data.
The Edge 800 always seems to display a figure. Could this be a fox for a future release so that it displays the previous value instead of --
