A protective device for a spark-ignition gas engine is provided, which engine has a throttle valve for controlling a gasair mixture and has an exhaust-gas turbocharger with a turbine that is associated with a throttle member for exhaust gas. The patient characteristics can include, for example, demographic data or medical indicators specific to the patient. In order for a server operating a portal site to provide an authentication number to the Internet TV which allows the Internet TV to automatically access the server, the Internet TV transmits a message requesting the authentication of the use of information to the portal server, and the server responds by requesting the Internet TV to input an authentication number. A plunger with an associated piston is used to input the fluid. A thermocouple may be located in the vicinity of the burner or an appliance used in conjunction with the burner.