This is how to set the virtual fence for the EFlite Apprentice STS rc plane from Horizon Hobby its a step by step procedure and I put alot of troubleshooting into this video and I hope it helps you. This is the only video on YouTube that shows you this and I give a step by step process to set it

https://www.horizonhobby.com/product/...
https://www.horizonhobby.com/product/...
https://www.horizonhobby.com/product/...
#apprenticests
#apprenticertf