To access the updated service menu on the AnyTone AT-5555N II, you must use a specific sequence of key presses while powering on the unit
: Key the microphone (PTT) to view the current value of a selected menu item.
The updated service menu for the Anytone AT5555N II offers a wealth of new features, improvements, and enhancements that can help users unlock the full potential of their radio. By accessing and adjusting various parameters, users can optimize their radio's performance, troubleshoot issues, and take advantage of new capabilities. However, it's essential to exercise caution and follow proper safety procedures when working with the service menu. With this guide, you'll be well on your way to becoming an expert in using the updated service menu for the Anytone AT5555N II.
For standard feature adjustments (e.g., mic gain, SWR protection, NR settings), use the standard background menu: Press and hold for 2 seconds while the radio is ON. Use the Channel Switch to select an item.
While official documentation is sparse, enthusiast testing has identified several key alignment settings within this menu:
Adjusts the low power dead key (often set to 2 watts for amp driving). Modulation Some users set these to "0" to improve AM modulation swing. #52 (RFG) RF Gain Fix