No green line on moxee device

### Prerequisites

- [x] I have read [CONTRIBUTING.md](https://github.com/EFForg/rayhunter/blob/main/CONTRIBUTING.md)

### Bug Report Details

Hi I  just successfully installed rayhunter on an at&t moxee k779hsdl device. The web panel is accessible and I'm able to show orcas on the screen and change modes... However there is no green line on the screen... Does anyone know how I can fix this?
