How to connect Siyi MK15 Controller with IP67 FPV?

Hardware Vendors SIYI
1

I am having issues with Siyi MK15 Controller not connecting with IP67 FPV. How to connect?

2

Hello. Excuse me, has the hardware connection been successful? After connecting, select the corresponding address in SIYI FPV, check the main interface of SIYI FPV and share it with me.