SSppeecciiaall SSyymmbboollssThe following are examples of symbols used on the product to alert you to important information:RISK OF ELECTRIC SHOCK - Observe the warning associated with the risk ofelectric shock symbol.CAUTION: REFER TO OPERATOR'S MANUAL - Refer to your operator'smanual for additional information, such as important operating and maintenanceinstructions.Information, advice, help.Read the documentation provided.Disconnect input plug.Before maintenance, first shut down the UPS then disconnect the AC powersource, internal and external batteries then discharge capacitors by pressing theON button and wait 5 minutes.This equipment should only be used in a dry indoor environment.Operating range of temperature.Operating range of humidity.The UPS and their batteries must be kept in a ventilated place.