Anyone who uses the pulse oximeter must receive adequate training before use. The pulse oximeter is only meant to assess patients’ physiological conditions. It must be used in conjunction with clinical symptoms. It is not intended for treatment. When using the pulse oximeter in conjunction with the electrical surgery equipment, the user should ensure safety of the patient. EXPLOSION HAZARD: Do not use the pulse oximeter in the presence of flammable anesthetics, explosive substances, vapors or liquids. It is forbidden to use the pulse oximeter in MRI (magnetic resonance imaging) scanning or CT (Computed Tomography) because the induced current could cause potential burning.