The backend already parsed the atu object and exposed ATUStart / ATUBypass /
SetATUMemories through the Flex controller and the App bindings — only the UI
was missing, so the radio's own tuner was the one thing on the panel you still
had to reach SmartSDR for.
Placed under TUNE, which is the order of operations: the tuner needs a carrier
to measure against.
The status is decoded into words rather than shown raw. That is the point of the
block: TUNE_FAIL and "never tuned" leave the radio looking identical on its own
front panel, and the operator transmits into a bad match either way. Failed is
red, tuning amber, tuned green.
rouggy
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