| 摘要 |
PROBLEM TO BE SOLVED: To use musical piece data within the range of a use grant condition corresponding to oiling quantity. SOLUTION: In a step S41, the residual quantity of gasoline remaining in a gasoline tank is detected, and in a step S42, a prescribed value given as a use grant condition is read. In a step S43, musical piece is reproduced. In a step S44, the consumption of gasoline is calculated, and waiting is performed until the calculated results surpass the use grant condition. The musical piece is reproduced during this time. In the step S44, when the consumption of gasoline is decided as surpassing the user grant condition, an advance is made to a step S45 to stop the musical piece reproduction, and in a step S46, the musical piece data of the musical piece are erased. |
