Anytone At5555n Ii Service Menu Updated 2021 Link

: Once the radio powers up, release the initial buttons and immediately press the following top-row buttons in order: [DW] , [RB] , [NB] , [SCAN] , [MEM] , and [EMG] .

The is a high-performance 10-meter radio, but many of its most critical calibration settings—like power output and modulation—are tucked away in a hidden Service Menu . Because there is no factory "reset" for this specific menu, users must exercise extreme caution when making adjustments. How to Access the Hidden Service Menu

: To see the current value of a setting, press the PTT (Push-To-Talk) button on the microphone. anytone at5555n ii service menu updated

While the radio lacks official documentation for every item, community testing has identified several critical settings for the AT-5555N II: Description AM High Power Adjusts the peak dead key for AM high power mode. #17 AM Low Power

: Ensure the radio is connected to a dummy load or an antenna to prevent damage. : Once the radio powers up, release the

Accessing the service mode requires a specific sequence of button presses during the power-on cycle.

: To modify a value, hold the PTT while rotating the Channel Selector. Saving : Turn the radio off to save your changes. How to Access the Hidden Service Menu :

: If successful, the display should show "FM" (representing the factory menu) or a numerical setting. Navigating and Saving Settings

Used to resolve "S5-S7 noise" issues. Increasing this value (e.g., from 86 to 105) can quiet a noisy receiver.

: Always WRITE DOWN every original value before changing it. There is no software reset for these specific alignment values; if you change them without a backup, you cannot easily restore factory calibration. Key Service Menu Items and Fixes