Hello,
Searched, found little here...

Is there a guide to what the Proximity sensor does/is?
I want to know if mine is working as intended, but don't really know what this is.

Is it meant to 'light up the screen' when I near? and turn off when I'm not?

Thanks for your help team.

This Kiwi has been playing with my n900 for 2 days now, me likes a lot.....!