Rightmouse=ZoomCycle | onRelease ZoomCycle
Then repeat for all instances of the keybind
Note: This works for walking and crouch as well, changes their lines to (in this case the buttons are Shift and CTRL)
Shift=Walking | onRelease Walking
Ctrl=Duck | onRelease Duck
Surround sound requires your output device to be set to 48kHz or most audio will not play. To check or change it, right-click the speaker icon in your taskbar.