So that you are not calling the name of a prior evening's spot operator, it's a good idea to produce a visual spot chart handy at your lighting console. Novices have trouble with timing and have been known to pick up the guitar tech for a solo rather than the artist. I often hear them say I've given them a good workout.
Some directors use computer-operated spots controlled from the console.
He also designs for movies, videos, television, corporate shows and architectural structures.