From the Oppo 103 manual page 16.
x If your audio system offers only stereo audio inputs, or if you would like to connect a dedicated stereo
audio system in addition to the surround audio system which is already connected to the HDMI or
S/PDIF outputs, you can connect the dedicated stereo audio system to the FL (Front Left) and FR
(Front Right) terminals of the player.
x For the stereo outputs, if the audio system you are connecting to does not have surround speakers,
set the Down Mix option in the Setup Menu to Stereo. If the audio system has surround speakers
and Dolby Pro Logic or other surround audio decoding capabilities, set the down mix mode to “LT/RT”.
(For more information, refer to “Down Mix Mode” on page 68
Bill
x If your audio system offers only stereo audio inputs, or if you would like to connect a dedicated stereo
audio system in addition to the surround audio system which is already connected to the HDMI or
S/PDIF outputs, you can connect the dedicated stereo audio system to the FL (Front Left) and FR
(Front Right) terminals of the player.
x For the stereo outputs, if the audio system you are connecting to does not have surround speakers,
set the Down Mix option in the Setup Menu to Stereo. If the audio system has surround speakers
and Dolby Pro Logic or other surround audio decoding capabilities, set the down mix mode to “LT/RT”.
(For more information, refer to “Down Mix Mode” on page 68
Bill