Anytone At5555n Ii Service Menu Work Verified Page
Adjustments to the sensitivity of the NB and Noise Limiter (ANL) systems. Calibration of the Squelch threshold. Tips for Service Menu Work
What is your radio's current , if you know it? Share public link
For any specific, hard-to-fix alignment issues, it is highly recommended to consult with a professional radio technician. Share public link anytone at5555n ii service menu work
The AnyTone AT-5555N II is a modern classic in the world of amateur radio and high-performance CB (11m) operation. It boasts a dual-core microprocessor, a full-color display, and impressive frequency stability. However, beneath its user-friendly interface lies a hidden, powerful, and potentially dangerous tool: the . For the experienced technician, this menu is a gateway to recalibration and optimization. For the unwary, it is a path to rendering a $250 radio un-transmittable.
The Ultimate Guide to the AnyTone AT-5555N II Go to product viewer dialog for this item. Service Menu The AnyTone AT-5555N II Adjustments to the sensitivity of the NB and
Press and hold down a specific combination of front panel keys (typically the plus SRF keys, or FUNC while pushing the channel selector, depending on the exact firmware revision). Turn the power knob on while continuing to hold the keys.
allows for precise adjustment of the radio's analog and digital characteristics. While AnyTone does not provide official documentation for these settings, users have identified several key areas within the service menu structure. 1. Power Adjustments (PWR) Share public link For any specific, hard-to-fix alignment
These settings dictate the fine-tuning limits of the radio's synthesizer. The radio fine-tunes itself by adjusting the voltage across a set of varicaps, which affects the capacitance and alters the frequency of the oscillator.
To properly adjust the service menu, you should have a reliable SWR/Power meter and a digital multimeter. Ideally, a service monitor (like an HP8920) is used to verify deviation and frequency accuracy.
A non-inductive 50-Ohm dummy load rated for at least 100 Watts. Never transmit calibration tones into an antenna.
