I purchased the power supply unit for the S2 Mk2 from NI with the expectation that it would increase the brightness of the controller, but it doesn't do this.
When I plug it in, the controller momentarily lights up and then after a couple of seconds it goes dark. It only lights up again after I plug in the USB cable - as if it is only drawing power from the laptop.
What am I missing here? Is there some setting I need to change? Is it broken? Or is this the expected behaviour?
Thanks!