Anytone At5555n Ii Service Menu Updated

Never adjust power settings or frequency alignment blindly. You must use a calibrated dummy load, an accurate RF power meter (wattmeter), a frequency counter, and a service monitor or oscilloscope for modulation adjustments.

: There is no official documentation for these settings. Incorrect adjustments can significantly degrade radio performance and cannot be undone with a standard factory reset. Use high-quality frequency counters or test equipment if making changes. PC Software : Professional alignment can also be performed via specific PC Alignment Software (service mode tools) using a programming cable. Google Groups steps or the standard factory reset procedure for this model? Anytone 5555n Ii Service Menu - Google Groups

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.

Turn the radio while continuing to hold those two controls. anytone at5555n ii service menu updated

Transmit an unmodulated carrier into a frequency counter and adjust this value until the counter reads exactly the targeted frequency (e.g., 28.0000 MHz). 2. RF Power Output Alignment ( TX POWER )

: For non-service adjustments like Mic Gain, TOT, or SWR protection, simply long-press the MENU button for 2 seconds during normal operation. Factory Reset

Note: If your radio boots normally into standard frequency mode, turn it off and retry the timing of the button presses. Navigating and Editing the Menu Never adjust power settings or frequency alignment blindly

The default value hovers around 86 . Adjusting this modifies internal receiver gain tracking to quiet down a noisy front end when a real RF signal is absent. 2. Audio & Modulation Maximization

? Proceed with caution! There is for the parameters in this menu once you change them. Here is the updated step-by-step to get in safely:

Incorrect parameters can cause final transistor overheating, severe signal distortion, or permanent component failure. Google Groups steps or the standard factory reset

The AT-5555N II has within its service menu. Altering these without a clear purpose can easily degrade performance or "screw up a radio".

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 .

Before describing the menu, a strong warning is necessary. The Anytone AT-5555N II's service menu is not like the regular user menu and contains factory calibration parameters that are unique to each individual radio. Entering it without the proper test equipment, such as a frequency generator or oscilloscope, can have serious consequences.

Anytone at-5555n II (version 2) - WorldwideDX Radio Forum