If you don’t know what the parameter does, do not change it.
It is highly recommended to record your original factory values before changing anything. Each radio is individually calibrated at the factory, and there is no universal "correct" number for every unit. Software For Anytone AT-5555N II and quick run. anytone at5555n ii service menu work
: Ensure the radio is connected to a dummy load or a well-tuned antenna. If you don’t know what the parameter does,