Switches to the source to be played.
Adjusts the volume.
Press the key once to lower the volume. Press again
to restore the previous volume.
Switches the Dual Zone function ON and OFF.
Adjusts volume at rear when the Dual Zone
function is ON.
Switches the video each time it is pressed.
Switches the display angle each time it is pressed.
Opens or closes the monitor each time it is pressed.
Moves the cursor when displaying menu.
When a call comes in, it answers the call.
Switches the function screen.
Switches the screen mode.
Screen mode changes each time you press this key.