As I wrote in the
other thread, after I bricked my EB-600, I managed to get the Cool-Er firmware running on it.
It seems as if the middle button isn't enough, you have to press the third button from top(i.e. return) as well. That seems to do the trick.
[edit] I think this thread is the most fitting one.
For fun, I tried something with my new Elonex Cool-Er. I put an MP3 into the "My Audio" folder.
Guess what! The audio hardware IS in there, Elonex just didn't bother to make use of it.
Perhaps because the required TRS jack is a 2.5mm plug, instead of the (I think) more widespread 3.5. Fortunately, I still have one from a MP3 watch I once bought...
[edit2] Aparently it is only a 3 contact jack, not a 4, like I thought earlier. So it shouldn't be a problem to buy one (my watch needs a 4 contact).