Anytone At5555n Ii Service Menu Updated Link -

: Hold the keys until the LCD screen displays the service menu interface (typically indicated by a firmware version index or a parameter label like F01 or BIAS ).

There is also a secondary hidden menu, which can be accessed by long-pressing the button, navigating to setting 01 , and changing its value to 36 .

Are you looking to calibrate a specific mode like or are you aiming to increase AM modulation swing ? Anytone 5555n Ii Service Menu - Google Groups

: Fine-tunes the internal microphone pre-amplifier compression limit for AM. anytone at5555n ii service menu updated

If you own an , you already know you possess one of the most powerful, feature-packed AM/FM/SSB mobile radios on the 10-meter and 12-meter bands (often used as a "10-meter" export radio). But beneath the sleek front panel and multi-colored display lies a secret control center: the Service Menu .

If the standard FUNC + PUSH combination fails, check your firmware status. Some export-unlocked radios require you to be in a specific frequency band mode (e.g., Band HF or Band A) before the key combination will register. Ensure you are pressing the physical channel encoder knob straight in, as it can sometimes slip sideways. Audio is Distorted After Tuning

Updated v3 firmware includes better "deviation" control to prevent over-modulation in FM/AM modes [10]. : Hold the keys until the LCD screen

Hopefully, this guide helps you unlock the full potential of your radio safely. If you have experience with this process or discover new parameters, consider sharing your knowledge with the community while always emphasizing the importance of caution.

The information provided in this post is for educational purposes only. Users should exercise caution when accessing the service menu, as incorrect settings can potentially damage their radio. It's recommended that users consult the user manual or contact a qualified service technician if they're unsure about any aspect of the service menu.

Document your original settings before changing anything. Use a calibrated wattmeter, frequency counter, and dummy load. And finally—don’t transmit into a mismatched load while tweaking P-07. You’ve been warned. Anytone 5555n Ii Service Menu - Google Groups

For many owners, the radio is a reliable workhorse straight out of the box. However, a specific community of "golden screwdriver" operators seeks to unlock its full potential through the service menu. This hidden area lacks official documentation, forcing enthusiasts to reverse-engineer its settings.

service menu and the crucial settings required for peak performance. What is the AnyTone AT-5555N II Service Menu? The on the AnyTone AT-5555N II

Calibrates the signal meter baseline for a weak signal.

The updated AT-5555N II firmware breaks down the service menu into distinct functional categories. While AnyTone occasionally updates the register layout, the core tuning categories remain consistent. 1. Transmitter Power Calibration (TX Power)