Switch on/off
Move right on settings menu
Select next input, increase level,
or move up on settings menu
Select previous input, reduce level,
or move down on settings menu
Change the balance or levels
Turn the display on or off
Press briefly to
mute the sound
Edit item on settings menu
Move left on settings menu
Select SPA23/SP33 mode
Decrease the volume
Increase the volume
Display the settings menus
Change the surround mode
Select an input
Press +10 first to select an input > 9