'Simple Monitor Check': Use of a reference print to perform a basic monitor adjustment. Turn down the room
lighting and use a desk lamp, ideally with a daylight balance halogen or low voltage bulb, to illuminate the
print. Shield the monitor with a black card shroud to stop stray light degrading the image shadows.

We have used and recommended GTI professional print viewing booths since 1990
They now make 'entry level' desktop units that you can't afford not to own...

See Luminous Landscape's 'Evaluating Your Prints Properly' tutorial: Link