The Num Pang New York City Ingredients That Make It Unique
2 Num+ / Num- probably means the Plus or Minus Key on the Numpad. If you don't have a separate Numpad on your Notebook, you have to use another Key (in most cases it's labeled Fn) in conjuntion. Here it is another groovy (if I say so myself ;-) solution, hold the Num Lk key down for 5 sec and windows will give you the choice to receive a differentiated on/off tone when you touch the three lock.
On the Grid : Num Pang
