Volume Up+E → Escape key
Volume Up+T → Tab key
Volume Up+1 → F1 (and Volume Up+2 → F2, etc)
Volume Up+0 → F10
Volume Up+B → Alt+B, back a word when using readline
Volume Up+F → Alt+F, forward a word when using readline
Volume Up+X → Alt+X
Volume Up+W → Up arrow key
Volume Up+A → Left arrow key
Volume Up+S → Down arrow key
Volume Up+D → Right arrow key
Volume Up+L → | (the pipe character)
Volume Up+U → _ (underscore)
Volume Up+P → Page Up
Volume Up+N → Page Down
Volume Up+. → Ctrl+\ (SIGQUIT)
Volume Up+V → Show the volume control