To make a wet mount put a sample of something on a slide. Use an eyedropper and put a drop of water on it place one end of a cover slip on the slide and slowly lower it so you don't get bubbles.
Turn the revolving nosepiece so that the lowest power objective lens is clicked into position. Make sure your slide is ready with a cover slip over your specimen move course focus nob so that it goes up as far as it can without touching the specimen
To draw a specimen draw a big circle then draw what you see in the microscope