The updated service menu groups calibration settings into specific operational categories. The exact terminology may slightly vary based on your specific firmware revision, but they generally follow this layout: 1. Frequency Calibration ( FRQ / REF )
The method to enter the Service Menu is specific and varies slightly from other models. The key is a timed sequence involving button presses during startup. Here is the most reliable method, reported by users to be effective:
Hook up your radio to an antenna or dummy load first. anytone at5555n ii service menu updated
Disclaimer: This article is for informational and educational purposes only. Unauthorized modification of radio transmitters may violate FCC regulations in the United States or local laws in your jurisdiction. Always operate within legal band limits and power restrictions.
Alignment files are unique to each unit. Do not upload an alignment file from one radio to another as it will cause incorrect calibration [13]. Notable Hardware Improvements (N II Version) The updated service menu groups calibration settings into
Alternatively, some users report a second method: "Press MENU and MODE while turning the radio on. Then press the other 6 buttons from DW to EMG.". The exact button sequence might vary slightly depending on the radio's firmware version, but the core concept of a timed button sequence during power-on remains the same.
Some of the key features of the updated service menu for the Anytone AT5555N II include: The key is a timed sequence involving button
Modifying values within the service menu directly alters the transceiver's hardware calibration data.
For those who may not be familiar, the service menu is a hidden menu in the Anytone AT5555N II that allows users to access advanced settings and configurations. This menu is not part of the standard user interface and is typically used by service technicians and advanced users to calibrate, configure, and troubleshoot the radio. The service menu provides access to a wide range of parameters, including frequency calibration, transmitter adjustment, and receiver settings, among others.
Adjust values incrementally; key the mic briefly to check changes. Hand Microphone Power down to write changes to the EEPROM. Power Switch