finding "Tilde" key for the console....
Okay I don't know about the other keyboards out there, but on a QWERTY keyboard (like the US one I'm using) the tilde key is to the left of the "1/!" key right above home row keys (NOT the numpad).
It looks roughly like this:
ESC F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12
[`] ! @ # $ % ^ & * ( ) _ + Backspace
[~] 1 2 3 4 5 6 7 8 9 0 - = <-----
Tab Q W E R T Y U I O P [ ] |
See it now? You dont' need to hold shift for it in this game (like in JA/JK2).
Otherwise consult your control config and see if it was somehow changed (if you can change it, I don't remember).