METHOD AND DEVICE FOR DISPLAYING FAILURE OF DUAL SYSTEM APPARATUS

摘要

PROBLEM TO BE SOLVED: To provide a method for displaying a failure of one system so that a person can recognize the failure of the one system by a simple configuration, when the failure of the one system occurs.SOLUTION: In a dual system apparatus, it is not until both systems are used that failure display means performs a normal operation. On the occurrence of a failure of the one system, the failure display means performs an abnormal operation so that the failure can be recognized.