F(♯4) 7-string guitar chord

How to play F(♯4) on 7-string guitar

The most common way, the first shape above: your index finger on the low E string at the 1st fret, your middle finger on the A string at the 2nd fret, your little finger on the D string at the 3rd fret and your ring finger on the G string at the 2nd fret. Let the high B string ring open. Don’t play the low B and high E strings.

From the low B string x 1 2 3 2 0 x (x: not played, 0: open)

What notes are in F(♯4)?

F(♯4), F major with sharp four, no fifth, is F, A and B: the root (F), the major third (A) and the augmented fourth (B). Its formula is 1 3 ♯4.