Display route on radar from ecdis

[Deehoo22]

Hi guys ! I have some problem need your help.
I am using Fur Radar model 2107-BB series and Fur Ecdis FMD 3100. Before I do not know transmit route from ecdis to radar. 2 days ago I had radar technician came onboard to fix my radar. After that I saw there is a route on radar display from ecdis data.
Question : 1/ How can I check which data came from ? ( because I use 2 ecdis at the same time ).
2 / look like radar is using route data from slave ecdis so I want to change to the other ecdis. How can I fix ?
Please help me to answer these questions !
Thank you so much !

 

[Melville]

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