Adjusts the wide/narrow width of your FM signal. Setting this too high causes your audio to clip and bleed into adjacent channels.
Alternatively, try pressing , then RB , then NB , then DW sequentially. Understanding the Service Menu Items (Alignment Menu)
: With the radio off, press and hold both the MENU and MODE buttons simultaneously while turning the power on. anytone at-5555n ii service menu
Once the Service Menu is active, the standard operational buttons are remapped to navigation functions:
While AnyTone occasionally updates firmware layouts, the core parameters within the AT-5555N II service menu generally target the following technical functions: 1. Frequency Calibration (REF / FREQ) Adjusts the wide/narrow width of your FM signal
Disclaimer: Modifying settings in the service menu can permanently damage your radio or cause it to transmit outside of legal technical specifications. Proceed at your own risk. Always record your factory default values before making any changes. How to Access the AnyTone AT-5555N II Service Menu
Calibrates the peak envelope power (PEP) for Upper Sideband (USB) and Lower Sideband (LSB). 3. Modulation and Deviation (MOD / DEV) Understanding the Service Menu Items (Alignment Menu) :
Connect a precise frequency counter, set the radio to USB, and adjust the relevant parameter until the 1kHz tone is accurate. B. Fine Tuning Settings (fr0 - fr9)
The settings are often mode-specific (AM, FM, USB, LSB). Use the [MODE] button to switch to the desired mode before adjusting specific parameters.
is a sophisticated, software-controlled 10-meter radio that relies on a "hidden" Service Menu for fine-tuning its internal parameters. Unlike older radios with physical potentiometers (pots), most adjustments for power output, modulation, and frequency alignment are handled through these digital menus. Accessing the AT-5555N II Service Menu