- 61 -TrebleAdjusts level to enhance or minimise sharper, higher sound output.EqualiserAdjusts the frequency level to suit your favourite sound quality.● This function is available when Mode is set to User.● Select the frequency and change the frequency level using / .● To enhance the bass sound, raise the level of the lower frequency. Toenhance the treble sound, raise the level of the higher frequency.● To reset the levels of each frequency to the default settings, select ResetEqualiser Settings with / and press OK.● This function is effective only for the sound from TV speakers.BalanceAdjusts volume level of right and left speakers.Surround(Diffuse Surround / Virtual Surround / Off)Selects surround sound settings.Diffuse Surround:Provides a more progressive enhancer and reverberation to simulateimproved spatial effects.Virtual Surround:Provides a dynamic enhancer of width and depth to simulate improvedspatial effects.● This function is effective only for the sound from TV speakers.Bass Boost(On / Off)Enhances the effect of bass sounds.● This function is effective only for the sound from TV speakers.