Anytone At-5555n Ii Service Menu Jun 2026
When accessing and navigating the service menu, be aware of the following:
The provides advanced radio operators and technicians with direct control over internal alignments, power outputs, frequency offsets, and modulation parameters directly from the front panel. It bypasses standard background programming software, allowing real-time calibration of Single Sideband (SSB), Amplitude Modulation (AM), and Frequency Modulation (FM) modes.
The Anytone AT-5555N II is a popular, robust 10-meter amateur radio known for its packed feature set, high-power output, and versatility on SSB/AM/FM/CW. However, beneath its user-friendly interface lies a hidden, powerful (or Factory Alignment Menu). This menu allows technicians to fine-tune alignment parameters like power output, frequency offset, and modulation, often without needing external adjustment pots.
Always write down every value for all 50+ menu items before changing anything. If you lose your original settings without a backup, the radio may require professional realignment with a signal generator. anytone at-5555n ii service menu
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Never transmit into an antenna while adjusting service menu parameters. Connect a high-quality 50-ohm dummy load to protect the final transistors.
Anytone at-5555n II (version 2) | Page 39 - WorldwideDX Radio Forum When accessing and navigating the service menu, be
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
The display will show REST or flash all elements, resetting parameters back to default configurations (typically defaulting the baseline band layout to a 25.615 to 28.305 MHz spectrum).
If the button combination fails:
Before proceeding, connect your radio to a reliable 13.8V DC power supply and a dummy load. Tuning the radio while transmitting into an antenna can cause interference and inaccurate readings.
You should now see a new menu labeled or similar engineering screens instead of the normal channel frequency.
The service menu breaks down power settings by mode. You will typically see individual parameters for: Sets the constant carrier output for FM. AM Power (AM POW): Sets the dead-carrier power for AM. However, beneath its user-friendly interface lies a hidden,
Before changing any value, write it down! You can always return to the original state if you make a mistake.
