Anytone At5555n Ii Service Menu Updated Link 【2026 Edition】

"Stop! Before you go turning knobs in the hidden service menu of your AnyTone AT-5555N II

The Anytone AT-5555N II is a highly popular, modernized 10-meter amateur radio transceiver. Known for its robust output, excellent filtering, and flexible programming, it is a favorite among radio enthusiasts. While standard operational settings are easily accessible through the front panel function menus, the transceiver also features a hidden (sometimes referred to as the factory alignment or engineering menu).

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.

: Key the PTT (Push-To-Talk) on the microphone to display the current numeric value of a setting. anytone at5555n ii service menu updated

Controls limit voltages for varicaps, affecting oscillator frequency steps (e.g., .00, .04, .05, .09). Local Oscillator

Use the to scroll through the menu items.

Never transmit into an antenna while adjusting service menu settings. Use a high-quality 50-ohm dummy load to prevent RF feedback and unintended interference. The service menu provides access to a wide

, you need to know this. To get in, you hold MENU and MODE while flipping the power switch, then quickly tap the top row of buttons from DW to EMG.

To enter the hidden service menu, follow this specific power-on sequence: Turn off the radio.

If you are currently troubleshooting a specific issue with your radio, let me know: Service Menu Settings & Meanings

Sets the Peak Envelope Power for USB and LSB modes (typically calibrated up to 50–60 watts PEP). 3. S-Meter Calibration (RX Signal)

The updated service menu on the AnyTone AT-5555N II is an incredibly powerful asset for keeping your radio operating at peak peak performance. By using digital step adjustments rather than legacy analog potentiometers, AnyTone has made long-term maintenance much cleaner—provided you approach the settings with patience, accurate test gear, and a strict record of your baseline factory values.

: Adjusts the RF Gain threshold. Increasing this value (e.g., from a default of 86 to around 105) can help reduce background static and "S7 noise" on newer units.

: Used to fix "noisy" receive issues where the S-meter shows signal (e.g., S7) with no actual input. Increasing this value (e.g., from 86 to 105) can help normalize the receiver.

To enter the hidden service menu, follow this specific button sequence while the radio is on: Press and hold the While holding , press the following buttons in order: right arrow right arrow button to scroll through the different alignment settings. Service Menu Settings & Meanings