| 摘要 |
<p>PURPOSE:To execute the control of a message indicator without generating contradiction by allowing a self-system and the opposite system to use one display screen in common. CONSTITUTION:One display screen is used for two system, i.e. the self-system and the opposite system, in common. When a request relating to a message indicator is generated from the opposite system, the self-system checks the message indicator state of itself and decides whether the request concerned is to be validated or executed in accordance with the checked result. At the time of transitting the display screen from the self system screen to the opposite system screen, the self-system inquires the message indicator state of the opposite system to the opposite system and controls the message indicator in accordance with the inquired result.</p> |
