The service menu of the AnyTone AT-5555N II is divided into several sub-menus, each containing a range of adjustable parameters. These parameters can include settings for transmitter power, frequency deviation, squelch sensitivity, and more. It is crucial for users to exercise caution when making changes in the service menu, as incorrect settings can potentially render the radio inoperable or cause it to malfunction.
The exact naming conventions in the service menu can vary slightly based on your radio's firmware revision, but they generally follow standard abbreviation formats for transceiver alignment. 1. Frequency Calibration (FRQ / REF)
For the average user, the standard menu suffices. But for the technician, the power user, or the owner trying to restore a drifted unit to factory specs, the Service Menu is the Holy Grail. This article provides a complete, technical walkthrough of the AnyTone AT-5555N II service menu, including access codes, navigation, adjustable parameters, and critical safety warnings.
Press the PUSH knob or the FUNC key (depending on your firmware version) to highlight the value, then rotate the channel knob to increase or decrease the setting. anytone at-5555n ii service menu
This article serves as a guide to understanding, accessing, and navigating the service menu, enabling you to calibrate BFO (Beat Frequency Oscillator), adjust SSB (Single Sideband) fine-tuning, and optimize the local oscillator. Technical Overview and Safety Considerations
Disclaimer: Accessing and modifying settings in the service menu can permanently alter your radio's performance. Incorrect adjustments can damage the transmitter, distort your audio, or cause the radio to transmit outside of legal specifications. Proceed at your own risk. It is highly recommended to record all original factory values before making any changes. What is the Service Menu?
If you answered "Yes" to the first three and "Defect" to the fourth, proceed with confidence. If not, close the hood and enjoy your AT-5555N II as it left the factory—it is already an excellent radio. The service menu of the AnyTone AT-5555N II
Disclaimer: Modifying settings in the service menu can permanently damage your radio or cause it to transmit outside of legal technical specifications. Proceed at your own risk. Always record your factory default values before making any changes. How to Access the AnyTone AT-5555N II Service Menu
Leo watched as Miller performed the "secret handshake" to reach the radio's hidden settings. With the power off, Miller held down the
Rotate the main Channel Selector knob to scroll through the different adjustment items. The exact naming conventions in the service menu
The radio should now display "CH-01" or similar, indicating you are in the service mode. You can navigate settings using the
If your radio is reporting a "Signal 9" for a weak station, or if local noise is registering artificially high, your S-meter needs adjustment.