A system for detecting an alignment of a sensor mounted on a vehicle and a method of making the same is disclosed. For this purpose, a television broadcast receiving apparatus includes a unit for setting download information for a printer driver to be retrieved, a unit for retrieving a printer driver file which is specified by the set download information with the television broadcast, and a unit for installing the printer driver file into a storage unit so as to be executable. Semiconductor nanocrystals are also disclosed. The systems and methods prompt a user to enter each element of the identifier by moving the selected marker and the first portion as necessary to substantially align the selected marker with a chosen element of the authentication identifier appearing on the outer portion.