Info about the Handlebar controller.
Buttons
4 buttons Triangle, plus, minus, circle. Each have short press and long press options. ie 8 operations.
Any of the buttons can be programmed with any of the opertaions below:
Lock Screen, Map Layer, Pause/Play, Map Tool *, Map Layer *, Pause & Play Music, Save Current Location,
Skip Next Destination, Skip Music, Start/Stop recording, Volume Up, Down, Zoom Map in, Zoom Out, None
*Map Tools:
Town Ahead, Group Ride, Track Recorder, Up Ahead, Elevation, Trip Data, Zumo Radar, Music Player, Weather, Phone
*Map Layer:
BirdsEye, Topographic, Popular Paths (moto), Bookedmarked Great Rides, Collections, Campsites,
MIchelin Scenic Roads, Unsaved Tracks, Contour Lines, 3D Terrain, Up Ahead Places.
4 Buttons each can be programmed with one operation
The middle 2 + / - have a dual function. Zoom in and out / Zoom in and out faster if long pressed. (ie repeated presses).
So if you programm the middle two buttons , the same function is also applied to the long press. So only 6 options can be programmed.
To correct this last statment, Jfheath wrote: It used to be that way so that long press zoomed in/out faster. It just repeated the same function automatically. @turbo19 corrected me a couple of posts down - that is no longer the case - you can now program the +/- keys with two functions each if they are not being used for zooming maps in and out. That is a recent change in XT2 System Software.
Buttons on the screen where you are asked for Yes/No - eg Calculate route - have a + or - option on them - so you can answer by tapping the + or - key - the map zoom buttons.
What is nice is that if you program a button to display (say) the Trip data on the right hand side. Press it once , it puts it there, press it again and it removes it - reinstating what was there before.
If you have zoom in and zoom out, then you cannot have the autozoom function enabled - zoomin in when you go slower and out when you go faster.
But no North UP / Track Up option / 3D option
The other one I wouldn't mind is a screenshot button.