Anytone At5555n Ii Service Menu Updated May 2026

Unlocking the Full Potential of the Anytone AT5555N II: A Guide to the Updated Service Menu

Problem: "My SSB audio sounds distorted on the air." Solution: The updated firmware adds ALC clamping. Go to P-05 (SSB ALC). Reduce from 95 to 85. This cleans up sideband audio significantly. anytone at5555n ii service menu updated

1. Press and hold the POWER button for 2 seconds.
2. The radio will beep three times and restart.
3. Important: Cycle the power off/one once more after exiting to reset the VCO logic.

loC: Controls the local oscillator offset. Experts suggest adjusting lo first to get as close to the target frequency as possible before using bf for final tiny tweaks. Unlocking the Full Potential of the Anytone AT5555N

Changing Values: Hold the PTT key and rotate the Channel Selector knob to increase or decrease values. Press and hold the POWER button for 2 seconds

Additional Resources

1. Power off the radio completely.
2. Press and hold the following two buttons simultaneously:

   Press and hold the FUNC button while turning the power back on.