Koso Dials Settings?

Does anyone know how to change the settings on koso dials? when i was putting my bike back together few weeks ago i must of pressed one of the buttons on the dials and where speed should be it's now changed to temperature. Iv'e tryed to get it back but it dont wont to change back lol? anyone used them before and know how to get it back?
Cheers.

 

hold both the buttons in for like 5/10 seconds and then change your settings from the buttons

 

cheers mate just went out and its done now thanks alot.