After my park outing, I returned to find an update to R1CBU 0.29.2. It includes fixes for: SWR Scan that leaves the radio in AM mode CAT control of modes r1cbu x6100 xiegu See also R1CBU 0.30.0 Firmware Update X6100 R1CBU 0.29.2 ATU Bug ATU Bug in R1CBU 2.29.2 POTA US-1356 Gifford Pinchot X6100 Crashing