I couldn't find a ton of videos about the RT22, so I decided to throw something together to show some of the things that aren't explained well in the manual.
Here are some other videos about the RT22 that I recommend:
https://www.youtube.com/watch?v=_defYDWrmIA
https://www.youtube.com/watch?v=eXxvK4XQGFk
Edit 2/18/2021:
It seems that some people have had trouble getting the programming software to work. This is an archive of two different versions of the programming software, plus the stock configuration and FRS configuration with no CTCSS or DCS codes applied: https://mega.nz/folder/TId2zBLT#XG7gwTVTMY-qaQuCT0Bskw
