Look at this image:
pricetrend2.jpg
Blue line is crossing the yellow line: trend started.
It is uptrend in our case.
Blue line is crossing red line to go back - correction or exit. Exit from buy in our case.
Please note: this PriceTrend indicator is having MTF settings so this indicator is re-painted. Do not trade using this indicator and do not make final decision according to this indicator's lines. Use this indicator just as informational only.