I have no user manual, at least for now. I know, it might be hard for new users to know how to operate with this firmware, so I definitely should start writing instruction)
Regarding CW filters - they are symmetrical about key tone. If you tune station correct - your TX tone will be very close to distant station tone and low/high filters will be on almost the same distance from your both frequencies.
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Georgy // R2RFE
