Today I installed and tested firmware version 1.05 / 3.05.
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SSB and FT8 work as before. There is a delay in both modes of about 1 second when switching RX/TX. In SSB this is not ideal in contests and makes contacts difficult. I managed to log 16 Qs in the wpx contest, but it could have been many more.
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CW still doesn't work correct in iambic A and B. I have one CW contact in the log, and this was made with the installed macros, no chance with a keyer. It doesn't work in straight mode with an external keyer either. Overall in my opinion, CW is in its current state unusable. I hope it's not a hardware issue and that a firmware update can solve the problem! Actually I wanted to use the zBITX primarily in CW which is, at least for the moment, not possible. It would be interesting to know if my device is an isolated case.
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73, Gerald
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PS. The base plate gets quite hot during operation, which makes it uncomfortable to hold with your hand when using it portable.
