Tutorials to get you started:
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RHR WebDX Tutorial 2.0
RHR - Quick connect SmartSDR/CAT/DAX to RHR Desktop App
RHR - Setting up FT8 with Flex and RHR App
RHR - Settng up N1MM + CW and the RHR App
RHR - SmartControl with Maestro and RHR App
RHR - Installing SmartSDR/CAT/DAX on your PC
RHR - Quickly connect a Flex Maestro to the RHR console
Setup LOTW and ClubLog Integration Into RHR
RHR - Operating FT8 Tutorial