Ii Service Menu Updated | Anytone At5555n

Tech Tip: Pushing the digital values to absolute maximum will cause harmonic splatter and severe overheating. Keep settings within safe thermal limits. 3. Modulation and Deviation (FM_MOD / AM_MOD)

To enter the hidden service menu, follow these steps precisely: : Ensure the radio is powered off.

Immediately after power-up, release them and on the top row in order (starting from DW and moving toward EMG ). The screen should display "FM" (Factory Menu). Common Service Menu Adjustments

: Calibrates the wide/narrow deviation width. If over-adjusted, your signal will bleed into adjacent channels and sound heavily clipped to other operators. 3. Receiver Calibration (RX Sensitivity & S-Meter) anytone at5555n ii service menu updated

To dynamically audit how a setting shifts things like output or deviation, key your microphone to read active levels on an external meter.

Release FUNC and quickly press the following buttons in sequence: → NB → DW .

Once the radio powers on, you will need to press the remaining six primary buttons in a specific sequence (starting from and moving across to EMG ) to unlock the full sub-menu parameters. Tech Tip: Pushing the digital values to absolute

To enter the hidden service menu, follow this specific button sequence while the radio is on: Press and hold the While holding , press the following buttons in order: right arrow right arrow button to scroll through the different alignment settings. Service Menu Settings & Meanings

Never adjust RF power or modulation settings without a calibrated dummy load, wattmeter, and oscilloscope connected to the radio.

The most common reason to use the service menu is to correct frequency drift or align the radio to a frequency counter. Modulation and Deviation (FM_MOD / AM_MOD) To enter

Comprehensive Guide to the AnyTone AT-5555N II Service Menu The AnyTone AT-5555N II is a highly capable, modern 10-meter radio favored by amateur radio operators and radio enthusiasts alike. While the standard user menu allows for plenty of customization, the hidden service menu opens up factory-level calibration tools. Accessing this menu allows you to fine-tune your radio's power output, modulation, and frequency alignment without ever opening the radio chassis. Warning and Disclaimer

Update Note: Do not max these numbers out to "crank up the watts." Doing so causes severe splatter, harmonic distortion, and will quickly burn out the finals due to inadequate heat dissipation. 2. Modulation and Deviation Adjustments

The primary source of information on the Anytone AT-5555N II's service menu comes from grassroots efforts within the radio community, which has done important work in demystifying it. However, as many users have noted, there is a clear and ongoing need for an official, complete "proper alignment / service menu information" guide from the manufacturer.