Actually you're meant to use the ball to draw a symbol with lines connecting those six nodes up top, then lock it in by sliding it to the other bottom side.
Actually you're meant to use the ball to draw a symbol with lines connecting those six nodes up top, then lock it in by sliding it to the other bottom side.
Okay, so different symbols could maybe be different settings, that shower scroll better tell the secrets of which symbols are which though.
If not, the hidden code you need might be at the bottom of the hotel's swimming pool! (blatant spoilers)