Enter the chord name in the Chord slot, using a hash sign (#) for a sharp and an at symbol (@) for a flat. Enter an o for an open string or an x for an unplayed string in the X/O boxes. For Barre chords enter the fret number in the Barre Box. Optional slur line across six frets on the first fret, click the slur radio button. Then check the frets that should be played for that chord.