Anytone At5555n Ii Service Menu Work May 2026

For the dedicated CB and 10-meter radio enthusiast, the Anytone AT-5555N II represents a pinnacle of modern design. It combines the classic look of a vintage retro-style rig with cutting-edge DSP (Digital Signal Processing) and frequency stability. However, like all high-performance export radios, its true potential—and occasionally its necessary fixes—are locked behind a digital vault known as the Service Menu .

This article will explain exactly what the Service Menu is, how to access it safely, what each critical function does, and how to perform the work required to bring your radio back to peak performance. Before touching the buttons, you must understand why the service menu exists. The AT-5555N II is calibrated at the factory using automated equipment. However, shipping vibrations, temperature changes, or component aging can shift these values. anytone at5555n ii service menu work

After adjusting a parameter (e.g., P-32), you must press and hold the "FUNC" button for 2 seconds . The screen will beep or flash, confirming the write to EEPROM. For the dedicated CB and 10-meter radio enthusiast,

| Issue | Probable Cause | Solution | | :--- | :--- | :--- | | Radio won't TX after adjustment | Lowered P-07 to 0 accidentally | Re-enter menu. P-07 minimum is 1. Set to 20 as baseline. | | Frequency jumps wildly on SSB | P-32 set too high/low | Reset P-32 to default (typically 128 or 130). | | AM audio sounds distorted | P-45 set over 220 (100%+ mod) | Reduce P-45 to 190-210 range for clean audio. | | Settings revert after power cycle | Forgot to save with FUNC button | Repeat adjustment, then hold FUNC until beep. | | Screen shows "P-01" but can't change values | Lock engaged? Knob broken? | Turn the main channel encoder, not the volume knob. | The anytone at5555n ii service menu work is not magic—it is engineering. By understanding the map of P-codes, respecting the dangerous parameters, and methodically adjusting values with proper test equipment, you can transform a "good" radio into a "great" radio. This article will explain exactly what the Service

Test the radio with a wattmeter, frequency counter, or on-air friend before closing the chassis. Part 7: Troubleshooting Common Service Menu "Work" Failures Even when following guides, users make mistakes. Here is your fix-it flowchart.

Disclaimer: Accessing the service menu may void your warranty if modified outside of legal CB frequency limits (depending on your country). Always comply with local transmission laws. The author assumes no responsibility for incorrectly configured parameters leading to radio damage.