To enter the hidden service menu, use the following key sequence: the radio. Hold down the [FUNC] button and turn the radio on .
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Sets the maximum peak deviation for FM mode (typically aligned to standard 2.5 kHz for narrow or 5.0 kHz for wide operation). 4. S-Meter and Squelch Calibration (SQ / SMTR) anytone at-5555n ii service menu
The service menu allows for the adjustment of internal parameters that are not accessible through the standard user menu. These settings typically include:
Aligning the reference oscillator to ensure the radio transmits and receives on the correct frequency. To enter the hidden service menu, use the
Note: Pushing the power limits past factory specifications will cause severe harmonic splatter and will quickly destroy the final amplifier stages. 3. S-Meter and SWR Meter Calibration (RX S-MTR / SWR)
Press and hold the FUNC (Function) key and the PUSH (Channel selector) knob simultaneously. AI responses may include mistakes
The AnyTone AT-5555N II has earned a stellar reputation in the CB and 10-meter amateur radio world. With its rugged build, crisp multi-color display, and powerful output, it’s a favorite for DX hunters and local talkers alike. But beneath the user-friendly interface lies a hidden layer of calibration and diagnostics: .
Within those 2 seconds, release the buttons and immediately press the following buttons in sequence: , NB , SCAN , MEM , EMG .
Repeated test transmissions during alignment generate rapid heat. Ensure the radio's rear heatsink remains cool to the touch.
Standard factory resets often do not revert service menu values to their original state.