We have uploaded 202U receiver’s manual, you can find it at link below
Manual for V6 version: https://docdro.id/zyGj6R7
— Video tutorials for V6 receiver can be found at VIDEO - 202U V6 video tutorials
Manual for V5 version: http://docdro.id/eY12WkA
— Video tutorials for V5 receiver can be found at VIDEO - 202U V5 video tutorials.
Manual for V4 and previous versions: http://docdro.id/QKlTjwr
— Video tutorials for V4 receiver can be found at VIDEO - 202U V4 receiver programming and set working mode
If you still have questions after read the manual, please post a new topic in forum, our support staff will answer your questions as soon as possible.