| 摘要 |
<p>PROBLEM TO BE SOLVED: To enable switching ON/OFF by a pull switch by providing means for discriminating a wall switch operation signal from a pulse signal in which a disconnection state is converted, detecting ON state of a luminaire, specifying fixture of the luminaire and ON mode, ON mode migration, adopting output state of a specified mode, and holding a circuit power supply ON and OFF. SOLUTION: In the case of pull switch operation, fitting mode and ON mode are read, and ON state is discriminated. If all switches are OFF in the ON mode, they are lit according to an initial mode. When at least one of the lamps is lit in the ON mode, the ON mode is stepped one by one if switch operation is continued, therefore, a desired ON state can be selected. At this time, there is no need for turning ON the wall switch, and a mode control circuit can be initiated, thereby making it possible to switch ON to all OFFs and OFF to the ON state during the operation of the pull switch. Thereby, a simple equipment configuration is made possible by micro-computer programming.</p> |
