The Trajectory Display can be set to 'Time ahead 2-5-10 minutes' and 'Distance ahead 2-5-10nm', which is great: I love to inform ATC that I am '5 minutes west of VOR'.
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‌However, the depiction of the markers for both settings is exactly the same, which may lead to confusion or (dangerous?) errors.
‌I would prefer a 'min.' or 'nm' next to the trajectory axis, so that I can see which setting is active. Optionally, the numbers 2-5-10 could equally be added next to their marker?
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One idea to have a visual hint and not clutter the screen to much would be to keep the symbol as it now, it looks like three "T" stacked up. T being for time.
And only replace the small bars with something‌ rounded like the letter D for distance.
Sorry, my computer painting skills are not that good.

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I set it once, but that´s maybe only me. What do you think about a little icon depicting a 'watch' or a 'ruler' next to origin of the trajectory display for the people which are in doubt.

-mike‌‌