Since you need to have the D415 open to do anything, the clear key would be more convenient on the slide out keypad where you will use it to erase mistakes.
That distinction goes to Bernie Carbo, a pinch hitter who walloped a two-out, three-run homer in the bottom of the eighth to erase a 6-3 Cincinnati lead.
It was tough enough for the Penguins to erase their own deficit, but squandering a two-goal lead in the third period is certainly out of character for one of the Stanley Cup favorites.