The lights on the front of your modem can help you determine whether it is operating properly. 1  The most important lights are the ones that show whether the unit has power and whether it is transmitting information.he power is on, and the modem is operational if the Cable Link light is on, too. Pressing the On/Off button to the right of this light puts the modem in standby mode, and the connection to the Internet is lost. Blinking. The modem is searching for a downstream signal.
Learner's definition of KEEN. [also more keen; most keen]. 1. : having or showing an ability to think clearly and to understand what is not obvious or simple about something. a keen intellect/intelligence/mind. She's a very keen observer of the political world. She made some keen [= acute ] observations.
Synonym Discussion of sharp. sharp, keen, acute mean having or showing alert competence and clear understanding. sharp implies quick perception, clever resourcefulness, or sometimes questionable trickiness. â¨sharp enough to spot a confidence gameâ© keen suggests quickness, enthusiasm, and a penetrating mind. a keen observer of the political scene acute implies a power to penetrate and may suggest subtlety and sharpness of discrimination.