Before changing any numerical value, write down the original factory number. Every single radio leaves the factory with unique values tailored to its individual board components. There is no "universal master reset" to restore these custom hardware tunings.
: Once you finish your adjustments, power off the radio. The settings will save automatically to the EEPROM memory upon shutdown. Key Service Menu Parameters Explained
When engaging in service menu work on the AT-5555N II, follow these best practices to avoid ruining your radio: anytone at5555n ii service menu work
Press and hold both the button and the PUSH (channel selector) knob simultaneously.
He keyed the mic again. The needle swung hard. He used the down arrow on the keypad, nudging the digital potentiometer down. Click, click, click. He watched the meter, waiting for the sweet spot. He keyed again. The needle swung smoothly, settling comfortably into the 40-watt range. Perfect. Before changing any numerical value, write down the
Altering service values carries inherent risks. Modifying parameters without proper tools can lead to severe operational issues.
The is a highly popular, modernized 10-meter amateur transceiver known for its excellent power output, crisp SSB performance, and robust build. While the standard AnyTone AT-5555N II Instruction Manual covers everyday features like the "Background Function Menu," it completely omits the hidden Service Menu . : Once you finish your adjustments, power off the radio
Once the radio is powered on (while still holding FUNC), quickly press this sequence of buttons: The display will change to show alignment codes (e.g., Key Service Menu Settings
It is highly recommended to record your original factory values before changing anything. Each radio is individually calibrated at the factory, and there is no universal "correct" number for every unit. Software For Anytone AT-5555N II and quick run.
While AnyTone occasionally updates firmware structures, the core alignment registers in the AT-5555N II follow a predictable architecture. Frequency Calibration (FR)
: Controls the default RF Gain level. Some users adjust this (often set to ~86) to reduce high background floor noise.