15Using the Menu button (1), open the Main Menu.Access the Sound menu.Move to your choice (2).Increase or decrease levels or set options (3).Press the EXIT button (4) to exit the Sound menu.(1) (2) (3) (4) (5)Bass adjustment will emphasise thelower, deeper frequencies and can beincreased or decreased.Treble adjustment will emphasise thesharper, higher frequencies and can beincreased or decreased.Balance affects the levels of soundbetween the left and right speakers.Adjustment can be made so that thelevel from the speakers will suit yourlistening position.The headphone volume can beadjusted independently of the TVspeakers so that everyone can enjoylistening at their own comfort level.(Not available with DVB programmes).Select On to provide stereo soundreproduction. Select Off for FM Monosound output.If Nicam Mono is being transmittedselect either FM Mono (Off), NicamMono I (M1) or Nicam Mono II (M2).The options depend upon the signalbeing transmitted.If reception deteriorates it is advisableto switch to FM Mono (Off).Multi audio, which will only appearwhen a DVB programme is selected,allows you to select an alternativesound track. The number of optionsavailable depends on each broadcast.The sound can be improved duringMusic or Speech mode by selecting theappropriate function.Dolby Virtual uses two speakers tosimulate the surround effect producedby a multichannel system. Dolby Virtualfeature works with Dolby encodedsignal only. Dolby Virtual can also becontrolled using the Dolby Virtualbutton (5) on your remote control.SOUND MENUBassTrebleNICAMBalanceModeMulti audio. . .Dolby virtualHeadphonevolume