Opera support for accesskeys

How exactly are they activated?

[NickH]

I must be missing something obvious here, but how, exactly, are accesskeys activated in Opera.

I've heard that in Opera 7, it is SHIFT ESC <key>. I'm using Opera 7.11 but I can't get this to work. For example, I've coded "accessibility statement" as accesskey="0", but no combination of holding down and releasing SHIFT ESC 0 that I've tried works.

What am I doing wrong?