Locate the main shutoff valve on your irrigation system. It is between the main water supply to your home and the sprinkler controller. Alternately, the main shutoff is located outdoors near a faucet bib. The main valve may be in a box in this area to protect it from the elements.
If manual cleaning is not performed immediately, instruments should be placed into a container and soaked with a detergent, a disinfectant/detergent, or an enzymatic cleaner to prevent drying of patient material and make manual cleaning easier and less time consuming.
Never use a dry rag or paper towels to clean the plastic lenses on instrument panel gauges. Small, dry particles of dust and grit can scratch the surface. If the lenses are clouded, use a plastic cleaner sparingly with a clean, damp terry cloth rag or sponge. Excess moisture can damage electronic instruments.