场景控制：ESC：退出程序 F1：窗口模式或全屏模式的切换 A,S,D,F,J,K,L：分别发出1-7四个音. -Scene control: ESC: exit procedures F1: window mode or full-screen mode switch A, S, D, F, J, K, L: the sound of four separately issued 1-7.