While playing any table, press the following keys.

Effect	Code
T F	Set ball tracking speed to fast.
T I	Set ball tracking speed to instant.
T S	Set ball tracking speed to slow.
X or ]	Lock right flipper.
Z or [	Lock left flipper.
[enter]	Hide scoreboard.
[esc] B N	Puts an extra ball on the table.
[esc] J N	Control the ball movement with the arrow keys.
[esc] [f10] N	Does a screen capture to the file SCREEN.PCX.
[esc] [f1] (params) N	Displays "ENTER PARAMS THEN PRESS ESC" (Note that the "PARAMS" and their effects are currently unknown)
[esc] [f9] N	Sound and graphic level indicators???
[spacebar]	Nudge from the bottom.