tevion dvd player volume keeps turning down

by djclewes2013 - 6/15/13 2:19 PM

hi i own this dvd player http://www.quesh.co.uk/userfiles/44159%20User%20Manual....

but while watching a dvd or usb with or without the 5.1 speakers plugged in every 10-15 minutes the volume will turn down by 1 all the way until it gets to about 04. any ideas it is via hdmi and i do like the 5.1 speakers connected but it happens without them connected as i said. please help if you can.
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