He started toward her just as she punched the button to close the door.
With his left hand he punched the button for the top level.
The car closed behind him and he punched a button.
He spoke a few words, then began to punch buttons.
He punched a button on the arm of his chair.
He stood thinking for a moment, then punched a button on his chair's arm.
He punched a button and sent out a series of call letters.
He walked quickly to the wall unit and punched a button.
He punched buttons for several minutes, then shook his head.
He punched the button that cut off the connection before she could ask another question.