There are 3 status lights in the right-bottom corner of BitComet software GUI. “Status light” mentioned in this passage refers to the third light, “BT Client Connection Status” light.
This status light alternates within 3 colors, green, gray and yellow. Each color has its own meaning.
1. Green 
A green light means everything is perfect with your client connections. Your BitComet can communicate with other BT clients fluently and the download has a higher speed than any other status.
2. Gray
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