Albatron PM800 Series User Manual page 55

"Options Properties", then check "Rear Speaker" item and click OK.
5. Also on the "Front Speaker" screen, select "Options
6. Next, click the "Advanced" button of the Front Speaker, then check the "Smart5.1 Enable".
7. Finally, click the "Advanced" button of the Rear Speaker, then check the "Magic5.1 Enable". This
is the final step in configuring "Super 5.1 Channel Audio Effect".
(If you broadcast a DVD with a DVD-ROM, please skip this step.)
Advanced Controls".
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PM800 Series