English:Pressing (←) increases the volume by 10, pressing (→) decreases the volume by 10, pressing (↑) increases the pitch by 10, pressing (↓) decreases the pitch by 10, and pressing (space) sets the pitch to 0. Português:Pressionar (←) aumenta o volume em 10, pressionar (→) diminui o volume em 10, pressionar (↑) aumenta o tom em 10, pressionar (↓) diminui o tom em 10 e pressionar (espaço) define o tom para 0. 中文:当按下（←）将音量增加10，当按下 （→）将音量减10，当按下（↑）将音调音效增加10，当按下（↓）将音调音效减10，当按下（空格）音调音效设为0
credit to 666murilo
