Yes, I've tried to press the Lap button and then turn on the device as well as press the button and then connect to USB. In both cases the button was pressed all the time and in both cases the device just booted regularly...
I'm probably doing something wrong but I have no idea what...
Just to be sure - there are two buttons one is the lap (the left one) and the other one (right one) is the start/stop button...
Itay