1. Lower the stage using the coarse adjustment knob
2. Switch to the lowest magnification objective (shortest lens)
3. Put the slide on the stage and secure with clips
4. Look through the eyepiece and slowly turn the coarse adjustment knob until you see the object. Repeat with the fine adjustment knob
5. Switch to the medium objective and refocus using the coarse then the fine adjustment knobs
6. Switch to the highest objective (longest lens) and refocus using the coarse then the fine adjustment knobs