| 摘要 |
PROBLEM TO BE SOLVED: To prevent reliability of a look-ahead notice that can be executed before executing variable display, from being reduced.SOLUTION: Retention specification information is displayed in a predetermined display mode, and thereby a look-ahead notice is executed for noticing that a predetermined condition is to be established or a possibility for the predetermined condition to be established in variable display of identification information based on retention memory. When at least one of retention information capable of recognizing increase of retention memories stored in retention storage means and predetermination information indicating whether the predetermined condition is established on the basis of a result of the determination by predetermination means cannot be normally received, the execution of the look-ahead notice is restricted. |
