Thanks Giomen and Neil, I have choosen "animated function" in "Chart set up" as Giomen's helps but I can not see any about: Tide Station with Falling Tide and stream current arrow as the pictures from Giomen give me as above. I think may be the current information for South China Sea area and in Europe (especially in US or England) will be detail than our area (South China Sea). I read on the different between G2 and G2 vision and I think it can display stream current "arrow", however i can see current informantion but I can see any "arrow for stream current". I have tried G2 and G2 vision. The final result I can see about this. Can you checked for me about this and give me your directions?

Thank you very much.