Why is rec flashing while playing ninja gaiden 2?

Sometimes during the game, Ninja gaiden 2 on the Xbox 360, there is a falcon head and the letters rec that keep flashing on the upper right corner of the screen. What does this mean?|||your in whats called %26quot;Ninja Cinema mode%26quot;. This saves game play films that you can watch later. You can turn this off by pressing the back button and selecting Ninja Cinema and switch it to off|||can somebody please answer this guy?