Sets the maximum width of the FM signal (typically limited to 2.5 kHz for narrow or 5.0 kHz for wide FM).
The AnyTone AT5555N II is a popular ham radio transceiver known for its robust features and reliable performance. While it's a great device out of the box, some users may want to explore advanced settings and customization options. That's where the service menu comes in. In this write-up, we'll cover the process of accessing and navigating the AnyTone AT5555N II service menu, as well as some of the key settings and adjustments you can make. anytone at5555n ii service menu work
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Use a non-conductive alignment tool if touching components, and ensure your power supply is stable. That's where the service menu comes in
If the signal strength meter feels too generous or too stiff, the service menu handles the receiver calibration.
Once on, immediately press the following buttons in sequence: → NB → DW . Method B (Timed Sequence): Press and hold MENU and MODE while turning the radio ON . The LCD will light up all segments for roughly 2 seconds.
However, there is a more advanced area, often called the "hidden" or "service" menu, used for factory calibration and fine-tuning of the radio. While not recommended for casual use, this guide provides a detailed look at how to access it, what it contains, and when it might be useful for experienced operators.