I have my system for a few years ... when I bought it I did not like the fact after you turn the system off the light on displays keeping on and blink .... i figured out how to turned it off.... I unpleged it and now the light is back on..... I can not figure out how to turn off again... I am sure have how to do because I did.... Thanks very much of atention to that matter and your time to answer me My email ... paulamissouri@hotmail.com Paula