... , must be over 1000mA current. The lamp on panel will bright on red in 20 second, then, it will ... off alarm key, set alarm off, the lamp on panel will still green; emergency call key, set emergency ... call, the lamp on panel will lash red function key. When you push ... , The lamp on panel will bright on red in 20 second ,After 20 second, The lamp on panel change yellow , ...