to answer your question. the video shows a ten string ShoBud pedal steel guitar. it probably has a minimum of three pedals and two knee levers. it helps knowing a bit of how a pedal steel works. the pedals when depressed raises a combination of strings.
the knee levers typically lower a combination of strings.
when I first got a pedal steel I learned that a popular tuning is E9. I no longer have the peal steel and don' t remember the string tuning sequence.
Heart of Gold the way I learned it is in the key of G. that's the third fret on the pedal steel. when the first left pedal is depressed the G chord becomes a C triad. it has the classic country western sound.
the lick is played up on the tenth fret. that is also shown in the video. there is a first pedal raise up there that produces that classic part in Neil's song.
there are several tunings used on pedal steel. some are double necks. C6 and E9 is common. there are others.
but I would bet for sure that we're looking at E9 here.
hope this helps.
currently I am using two lap steels in my band. one is tuned C6. it is an old 30's Richenbacher Model 59.
it has to my ears the perfect tone for old country. now C6 is great for that. I also discovered that C6 does have
many blues notes and in convenient places.
I do have a designated blues lap steel. it is a 1939 Epiphone Zephyr. the pickup was rebuilt by Lindy Fralin.
the steel has the soft woody bell shapes at low volumes, but roars when turned way up. my Tubescreamer adds to the blast.
I can dial just the right amount of breakup I want with the two.
naturally, I use for heavy blues. I like the open E tuning for straight up blues. great power chords up and down the neck.
the singel string runs have nearly the same shapes as Standard tuning ( the G string on the lap steel is tuned G#).
for me I don't mind lugging several instruments to rehearsals and gigs. each guitar has its voice.