Anytone At-5555n Ii Service Menu ❲2025-2026❳

The service menu allows for the adjustment of internal parameters that are not accessible through the standard user menu. These settings typically include:

Sets the tight and loose limits for the automatic and manual squelch circuits. Best Practices for Radio Alignment

Technician Tip: While it is tempting to max these values out, pushing the final transistors past their rated limits will cause thermal runaway, heavy harmonic splatter, and premature hardware failure. Keep adjustments within a conservative margin. 3. Modulation and Deviation (MOD / DEV) anytone at-5555n ii service menu

If you suspect you made a mistake mid-way through adjusting a value and have not saved it, simply switch the radio off via the power knob before pressing any confirmation keys to discard the changes.

While exact parameters can shift across manufacturing batches, the core alignment groups include: 1. Frequency Calibration (REF / FREQ) The service menu allows for the adjustment of

Many owners notice slight frequency offset on SSB. By monitoring a known frequency standard (e.g., WWV at 10 MHz), you can trim the rEF setting until zero-beat. This makes you sound crystal clear on sideband.

: While holding those buttons, turn the radio ON. All LCD segments will light up for approximately 2 seconds. Keep adjustments within a conservative margin

The Anytone AT-5555N II service menu is a powerful built-in tool that eliminates the need for manual internal potentiometer tuning. When used correctly with proper diagnostic equipment, it can breathe new life into your radio, correcting frequency drift and optimizing audio drive. However, casual tweaking without a roadmap can quickly render the radio useless. Always document your starting values so you can safely trace your steps back to functional factory baselines. If you need help with a specific adjustment, let me know: