Do a Power On Self Test interface board Retevis RT97S/midland mxr10 GMRS two-way radio repeaters video:
https://youtu.be/xxLGerVUqKg
How to test the interface board using a computer and WITHOUT a computer video:
https://youtu.be/57tZTgDeE78
How to use Retevis rt97s/midland mxr10 interface board test your USB to db9 adapter and setting
https://youtu.be/2HM2iM92nW8
Welcome- To ask questions or to view help information about GMRS two-way radio gear, you must register (it's free) before you can post or view!…thank you!!
How YOU can TEST the interface board!
How YOU can TEST the interface board!
My youtube channel:
https://www.youtube.com/@GMRStwowayradio
https://www.youtube.com/@GMRStwowayradio