Regardless of the channel that is tuned, the image goes from being perfectly clear to stationary pixels (green and black) that begin appearing on the display and increasing in quantity over the course of a few minutes. I have the unit connected to an AmazonBasics ultra-thin indoor TV antenna. I thought the issue might be with the antenna, but as soon as I press the Info or Menu button on the Homeworx remote (or change channels), all of the pixels disappear and the image is perfect, shortly after which the pixels begin reappearing again.
The green pixels go diagonally across, whereas the black pixels have a more complex pattern. A picture's worth a thousand words:



I have the Homeworx hooked up to my TV directly through HDMI, and I've moved it away from other devices to ensure interference is not the cause. I've not updated the device firmware, this is what it shipped with:
SW Version: CL503883 140215 v18
HW Version: 7816-1237-ATSC-V18
Any ideas? Due for an RMA? Thanks in advance.