LegalDisclaimerWarnings - Consult user's manual for additional information. Green power light indicates that main power is connected to the appliance. Only authorized Welch allyn Service Centers can perform service. DANGER: risk of explosion if used in the presence of flammable anesthetics. Use of any accessoris or materials not indicated in the user's manual can degrade the minimum sfety of the equipment. This product complies with current required standards for electro-magnetic interference and should not present problems to other equipment nor is it affected by other devices. As a precaution, avoid using this device in close proximity to other equipment.