Accessing the service menu on the AnyTone AT-5555N II allows you to adjust internal alignment settings like modulation, RF gain, and frequency fine-tuning.
: Settings like bfC and fr0–fr9 control the BFO and fine-tuning voltages for different modes. 🔓 Frequency Expansion (11m Mode) anytone at5555n ii service menu updated
Popular communities like WorldwideDX.com , RadioReference.com , or Transmission1 often have updated service menu entries and hidden key combinations shared by users or reps. Accessing the service menu on the AnyTone AT-5555N