Anytone At5555n Ii Service Menu Work (2024)

When engaging in service menu work on the AT-5555N II, follow these best practices to avoid ruining your radio:

: Setting transmission power (TX power) too high can overheat and destroy the final transistors (MOSFETs).

: Controls the default RF Gain level. Some users adjust this (often set to ~86) to reduce high background floor noise.

Once in the service menu, users can adjust a variety of parameters, including:

: Specifically found in some versions to control modulation/audio levels (can be increased up to 63 for maximum audio). Standard Reset & Expansion anytone at5555n ii service menu work

: Always connect the radio to a dummy load or a properly tuned antenna before making adjustments in the service menu to avoid damaging the transmitter.

The AnyTone AT-5555N II is a highly popular, modernized all-mode ten-meter radio. While it delivers excellent performance out of the box, advanced users and technicians often need to access the hidden service menu to calibrate the radio, adjust power levels, fine-tune modulation, or fix frequency drift.

Once inside, use the to scroll through all the service menu parameters, which typically number around 59 in total.

Once inside, rotating the navigates through the parameter columns, and the UP/DOWN buttons (or sometimes the VR knob depending on firmware) adjust the values. When engaging in service menu work on the

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Most users looking for the service menu want to adjust power output or fix a high noise floor. Here is how to achieve those goals, either through the standard menu or by safely using one service menu parameter.

: Alignment settings can vary depending on your selected mode (AM, FM, USB, LSB). For the best results, check each mode after making changes to ensure even and smooth tuning. Factory Reset : If you make a mistake, you can reset the radio by holding

Controls the maximum output ceiling for sideband modes. Once in the service menu, users can adjust

The service menu is intended for technicians with proper calibration equipment, such as a frequency counter. Incorrectly adjusting these values can leave your radio unable to transmit or receive on the correct frequency. frequency targets for aligning the BFO in CW or SSB modes? Anytone 5555n Ii Service Menu - Google Groups

Factory settings are unique to each individual radio because they are calibrated during production.

Making changes to the service menu is a serious step. The radio does not reset these parameters to factory defaults through its standard user menu reset, meaning any changes you make are permanent unless you can find and manually revert them.

The display should now show the service menu items (often starting with "IC9" or similar adjustment codes). Common Service Menu Functions Once inside, you navigate the menu by turning the knob and pressing the (inner channel) knob to select a setting. Modulation Adjustment: Look for settings labeled

Is your radio , or is the receive audio distorted ?