Attempt to tap into her latent vampiric powers to see if she has a high enough level in Protean to turn into mist and escape the cell through the mesh wiring.
Failing that, press every button she can find, in sequence.
>Yell, "Is anyone there?" Ruby yells, but there's no response. Her voice echoes in the small room.
Sadly, Ruby has no vampiric powers. >press every button she can find Ruby gets the feeling that pressing all the buttons would probably be a bad idea. There are buttons of multiple colors -- which one should she try?