Now, test on-air. Ask for a signal report on a quiet frequency. Check your frequency against a known stable station (e.g., WWV at 10.000 MHz or 15.000 MHz).
Gaining entry to the AT-5555N II's service menu is a deliberate process. While there are reports of a secondary the most common and widely documented method is as follows:
: Turn the radio off to save your changes and exit the service mode. Key Service Menu Settings & Calibrations anytone at5555n ii service menu work
The Anytone AT-5555N II's service menu is a powerful tool that unlocks the full potential of the radio. For the equipped and knowledgeable technician, it's essential for precise alignment. For the average user, it's a potential minefield.
Write down your original values before changing anything. Now, test on-air
Are you trying to fix a specific issue like off-frequency reception on SSB or a noisy S-meter ? Knowing the goal can help narrow down which specific setting to adjust.
is a popular 10-meter amateur radio known for its high-performance features, including SSB (Single Sideband) capabilities, high power output, and a robust, programmable interface. While the user manual covers standard operations like band switching, mode selection, and basic menu settings, the radio contains a hidden (or engineering menu) designed for factory calibration, alignment, and advanced adjustments . Gaining entry to the AT-5555N II's service menu
The display will enter the alignment mode, allowing you to scroll through parameters using the button or the channel selector. Google Groups Common Service Menu Codes
Rotate the Channel Selector knob to scroll through the roughly 53 available menu items.
If you did it correctly, the screen will look different. Instead of showing a frequency, you will see a numeric parameter (e.g., P-01 or d-01 ) and a value. You are now in the .
The Anytone AT-5555N II service menu is a powerful but risky tool. The radio is designed to perform very well straight out of the box, and most of the adjustments you'll need are readily available in the user-friendly standard menu. The service menu should be seen as a last resort for advanced troubleshooting or calibration, and it should only be used by those who understand the high risks involved.