Epson Professional Series II User Manual page 17

6. Turn the monitor around so the screen faces you and use the
tilt and swivel base to position the screen at a good viewing
angle. For comfortable viewing, the top of the screen should
be slightly below eye level when you are sitting in front of
the monitor. (Your line of sight to the screen should be
about 10° to 20° below the horizontal.)
to an IT power system with
Professional Series II Monitor 9