| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for controlling the operational authority of a projector by which unauthorized use is prevented and the operational authority of a function required by a user can be given to the user, and a projector using the method for controlling the operational authority and a control program for the operational authority of a projector. SOLUTION: When a password is inputted at the time of starting the projector and the inputted password agrees with any password set by every operational authority level registered in a storage part 14, a control part 13 makes the operation of a function stored in the storage part 14 corresponding to the operational authority level of the password which agrees therewith possible. Therefore, the projector 100 makes the operation only of the function corresponding to the operational authority level agreeing with the inputted password possible. COPYRIGHT: (C)2006,JPO&NCIPI
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