The indicator automatically builds substantial trend lines and shows purchase and sell signals. Signals are formed to get reflection and for a breakdown from the support and resistance lines. When a sign arises, the indicator displays it as an arrow of the specified colour and also sends the kind of messages specified in the input parameters . In the indicator settings, you can set the sign type, the maximum distance to the trend line, the type of alarms, as well as the settings of the arrows and lines .