Adjusts the baseline unmodulated carrier power.
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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.
Ensure the transceiver is completely powered off via the volume/power knob. anytone at5555n ii service menu work
After some digging and testing, here’s what I found:
Complete Guide to the AnyTone AT-5555N II Service Menu The AnyTone AT-5555N II is a highly popular, modernized 10-meter radio favored by amateur operators and radio enthusiasts for its robust power output, clean modulation, and advanced digital features. While the standard user menu allows you to change basic settings like roger beeps, mic gain, and display colors, the hidden (or Alignment Menu) gives you direct control over the radio's internal calibration hardware.
Working with the service menu on the Anytone AT5555N II can significantly enhance the user experience, offering advanced customization and optimization capabilities. While it presents a learning curve and potential risks, for those willing to invest the time and effort, the rewards include improved performance and functionality. As with any modification, it's essential to proceed with caution and ensure that changes are made with a clear understanding of their implications. Adjusts the baseline unmodulated carrier power
For standard operational changes like Roger Beeps or SWR protection, it is safer to use the AnyTone PC Programming Software rather than the hidden service menu.
He scrolled through the menu until he found P0 , P1 , P2 —the power adjustment pots in digital form.
: Sets the baseline carrier power for Amplitude Modulation. Usually set around 12–15 watts to allow room for audio modulation peaks (swing). He used the down arrow on the keypad,
Once successfully entered, you will see a series of numbers and letters on the LCD screen instead of your normal frequency display. Navigating the Service Menu Layout
before making any changes, as a factory reset may not restore these specific internal alignments.
If you want, I can convert this into a printable one-page technician checklist, a step-by-step guided calibration for a specific parameter (TX power, PA bias, or VCO trim), or a troubleshooting flowchart — tell me which.