Avayon DXP-10P - Manual (Page 28)

Setting Audio Output
1. Press SETUP on the remote control.
2. Use the direction keys(▲▼◄►) to select AUDIO SETUP and its sub-menu.
3. Press ENTER to confirm your selection.
4. Press SETUP to exit, or select EXIT SETUP to exit.
Changing AUDIO output
Note:
SPDIF/OFF:select this when you do not want to have digital
audio signal output.
SPDIF/RAW:select this when the digital audio output is
connected to an external amplifier with Dolby
Digital or DTS decoder which gives 5.1 channel
sound.
SPDIF/PCM:select this when the external amplifier has no
decoder.