A turbocharger of a supercharging apparatus includes a turbine impeller, which is rotatable by exhaust gas discharged from an internal combustion engine of a vehicle. The nodes are logically divided into a number of storage slots. The encrypted connection to the authentication server may be maintained following authentication to enable termination of the second connection if the client becomes untrusted, andor to enable logging of client requests, connection information, and the like. The image processor displays on the display a catheter icon in a same orientation as an orientation of the portion of the catheter in the patient’s body based on positional information derived from the position sensor.