Sudden of light / LED-Anzeigen der Lampe setzt

Using the different color of LED on the switch and correspondences, let users quickly and accurately
correct switch the correspondences.
While the fluorescent lamp turned on, the LED Indicators on the switches
and fluorescent lamp would be off.
While the fluorescent lamp turned off, the LED Indicators on the switches
and fluorescent lamp would illuminate.
The LED Indicators could be one line for a lamp set, it also could be one line for a area of lamp sets.