thanks for your comments and any suggestions are welcome. it is good to know that there is someone from the other side of the world who is trying to help me out.
I asked directly to the other two members because they have the exact model and have it up and flying , so they must know how the it should be done.

I will be interested to see how's your RTF look like. have you got your own radio ? I think you still have to setup the radio to fly ...

I will soon start to setup the blackhawk 450, I eventually received the manual of the ESC from the distributor. I hope this electric heli gives me less trouble than the nitro blackhawk 500 .