Prepare yourself and your room surroundings for the job. Wear your goggles and rubber gloves for protection. Tight-fitting rubber gloves will allow you to have a firm grip on the sprayer. Also wear long sleeves and pants so the paint does not get on your skin. It will be difficult to wash off. Lay the dropcloth over the entire floor and over any furniture standing in the room. Plastic cloths are better since liquid cannot absorb though them.
Fill the pneumatic sprayer with the paint. The good thing about this sprayer is that you can use thin paints and thick paints, but the machine will still work the same and not get clogged or drip. Plug it into an outlet.
Practice spraying on the wooden slab to get the feel for the machine. Hold it so that the nozzle is about a foot away from the object, then pull the trigger lightly as you move it steadily from left to right. Once you have a feel of it, you can paint your canvas.
Stand 1 foot from the object, and spray from one side to the other. Be sure to let go of the trigger once you reach one end. You will waste the paint if you continue to hold the trigger down, and you risk coating the same spot more than once before coating the entire object.
Proceed to the next coat after the paint has dried for about 10 minutes. Repeat until the object or surface is covered to your liking. Set the safety lock on the sprayer in between any breaks you might take, and unplug it from the wall when you are finished using it.