Introduction Maintenance The DTH880 mounts easily on walls or sits on flat surfaces using its built-in easel stand. Use the DTH880 at home or business. Ideal for use in computer rooms, laundry rooms, shops, offices and greenhouses. Cleaning Periodically clean your instruments case using a damp cloth. DO NOT use abrasive, flammable liquids, cleaning solvents, or strong detergents as they may damage the finish, impair safety, or affect the reliability of the structural components.