What does the term “zero beat” mean in CW operation?
Matching the speed of the transmitting station
Operating split to avoid interference on frequency
Sending without error
Matching the transmit frequency to the frequency of a received signal✓Bonne réponse
Explication
Zero beat means putting your transmitted signal on the same frequency as the received one, so that the audio beat note between them falls to zero. It has nothing to do with sending speed or accuracy.