Caavo supports 4K passthrough, but does not support pass-through of HDR. If your Roku is set to only output HDR video resolutions, you may not see video through Caavo.
- While tuned to the Roku input, press the HOME button (you can also use your Roku remote in case you can't see video at this time).
- On Roku, go to Settings> Display type. If output is set to a specific format, try changing it to a lower resolution or choose "Auto-detect".