Xion XI-HT5.1 Manual De Instrucciones página 8

1.SOURCE
2.ST-BY/
3.VOL-
4.VOL+
5.PRO-LOGIC
(3)
(1)
(2)
(4)
(5)
USB
3.Press" PRO-LOGIC" , into 2.1CH/5.1CH mode.
then even only input the FR/FL signal the output terminal can have the affect
that 5.1CH has, press this key again, the system return normal.
4.
5.
under the DVD input mode,