To switch between numeric keypad layers, perform the following actions: Press the Num Lock key to switch on Num Lock.Press the 0 key on the numeric keypad.Press the key on the numeric keypad that corresponds to the layer you
want to activate. See  for more information about
which keys are assigned to each layer. You must perform
this action within five seconds of the first action. If you do not press the layer number
within five seconds, then  does not change the current layer.
