Set the control knob to the desired distance.
Attach the garden hose to the sprinkler, twisting to secure.
Place the sprinkler of a flat open area of grass, making sure that there is nothing in the area that you don't want watered.
Turn on the hose. Allow the sprinkler to run until the area is sufficiently watered. Turn off the hose.
Move the sprinkler to another area of the grass, if watering a large lawn, repeating as necessary.
Disconnect the hose after use, and drain the water from the sprinkler before storing.