vita zyrcomat vs zyrcomat t

[holyhikaru]

At first, I think that the difference is that zyrcomat t can edit the temperature program. But after seeing this topic

http://dentallabnetwork.com/forums/f6/vita-zyromate-oven-9054/

It seems like Old zyrcomat can edit the temperature too.

So what's the real difference between these two oven?

Thank you very much