User Manual BDL3231/BDL4231Display menu buttonPress to activate on screen display menu.Digital menu buttonPress to activate on screen menu of any digital card.OK buttonPress to confirm the chosen OSD function./ Back/Channel buttonEither MHEG, MHP, or navigation functions on media player card orNetX card.VOL+/- buttonPress + or - to adjust the volume.Mute buttonPress to disable or enable the audio.P+/- buttonPress to select the input source.Numerical buttonsPress to direct access to programs.Dot buttonUse the dot for digital channels.Channel return buttonPress to return or recall the channel.A/D buttonDVB or ATSC function to select either analogue or digital channels.PIP buttonPress to call up a subscreen size.Smart sound buttonPress to choose audio effects between Personal, Theatre, Music,or Voice.Smart picture buttonPress to choose picture settings between Personal, Rich, Natural, orSoft.RETURN TO THE CONTENTS