: You may see codes like bfC (BFO frequency), loC (local oscillator offset), and fr0-fr9 (fine-tuning limit voltages). ⚠️ Critical Warning
Have you accessed the service menu on your Anytone AT5555N II? Share your experiences, tips, and questions in the comments below!
: Press and hold the FUNC key until the radio saves the changes and restarts into standard operating mode. Common Service Menu Parameters anytone at5555n ii service menu work
Wattmeter with PEP function (e.g., Bird 43 or Diawa) + Dummy Load + Oscilloscope (ideal).
: Used for fine-tuning the voltage limits for specific frequency steps (e.g., .00, .04, .05, .09). : You may see codes like bfC (BFO
While holding those buttons down, turn the radio on.
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: Adjusts the peak envelope power for upper and lower sidebands. S-Meter and Squelch Calibration (SM / SQ)
Hold PTT and turn the knob down gradually while listening to the static. Finding a sweet spot lowers the receiver's artificial floor noise without sacrificing weak-signal performance. 3. Correcting Warped SSB Clarifier Tuning
To avoid a costly mistake, always adhere to these best practices:
Common symptoms requiring service menu work include: