Anytone At5555n Ii Service — Menu Work ((top))

To access the Anytone AT-5555N II service menu, you must press and hold the MENU and MODE buttons while turning the radio on, then quickly press the remaining top-row buttons (DW, RB, NB, SCAN, MEM, and EMG) in order.

Parameters: Pc-H (High power SSB limit)

Sets the "dead key" power level when the PWR knob is at minimum. #19 / #20 Modulation anytone at5555n ii service menu work

Scenario C: Low Receive Volume or Dead S-Meter

The Problem: Local stations are S-9 on your friend’s radio, but S-3 on yours. The audio is quiet. To access the Anytone AT-5555N II service menu,

Saving: Power cycle the radio to save your changes and return to normal operation. Review: Anytone AT5555N II Service Menu Work

while powering on, then use the channel selector to switch between "BAND 1" and "BAND 2" (Export Mode). Google Groups Important Safety Warning write down your original factory values

  1. Frequency Drift: The TCXO (Temperature Compensated Crystal Oscillator) in the N2 is generally stable, but shipping or extreme temperature changes can knock it off center.
  2. Modulation Flatness: Factory settings might prioritize safe limits over performance. You may want to slightly adjust AM modulation depth or SSB ALC (Automatic Level Control).
  3. Power Output Trimming: Legal limits vary by region. You might need to lower power for an amplifier driver or raise it to factory specs (usually 60W PEP SSB / 40W AM).
  4. Meter Calibration: The on-screen S-meter or power output meter might read incorrectly compared to a professional external meter.

Review: Anytone AT5555N II Service Menu Work