I have set up many Xi5 utilizing the Built-In SNR/Transducer on the FF with no issues.
I received your PM and will get with you after breakfast/church.
It's all coming together and we have you covered @ Shut-Up-And-Fish LLC
for all your Humminbird, Minn Kota & Motorguide needs.
We install & educate as well!!! 972 822 9285