Reader of a tech manual (4)

I believe the answer is:

user

(Other definitions for user that I've seen before include "Druggie" , "Operator (of something)" , "Tech support caller?" , "Ruse (anag.)" , "Ruse for employer" .)

I've seen this clue in the Newsday.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.