: Lower values on AM modulation settings typically result in higher modulation (less clamping).
For radios with firmware V2.0 and above, the entry sequence has changed to prevent accidental access. anytone at5555n ii service menu updated
Adjusting service menu parameters without a signal generator and frequency counter can permanently degrade radio performance. Always record your original factory values before making changes [13]. : Lower values on AM modulation settings typically
The Anytone AT-5555N II is a popular 10-meter amateur radio transceiver. Unlike its predecessors, the "N II" revision utilizes varying hardware revisions (PCB versions) that dictate specific service menu entry methods. Users attempting to align these radios using legacy instructions (from the original AT-5555 or AT-5555N) may find discrepancies in frequency coverage or menu accessibility. This paper outlines the updated service menu access codes and the critical alignment parameters required for restoring performance after component replacement or frequency expansion. Always record your original factory values before making