Samsung UA40ES5500MXXY, UA46ES6900MXSQ, UA55ES6800MXXY manual Fine Tune Menu → Channel → Fine Tune

USB. This function is available when USB is connected.

Fine Tune

Menu → Channel → Fine Tune

(Analogue channels only)

If the reception is clear, you do not have to fine tune the channel, as this is done automatically during the search and store operation. If the signal is weak or distorted, fine tune the channel