Anytone At-5555n Ii Service Menu Jun 2026

Used to calibrate the BFO and local oscillator if the radio is off-frequency. Anytone 5555n Ii Service Menu - Google Groups

: Adjusts the RF Gain threshold. A common fix for high background noise (S5-S7) is tweaking this value (factory default is often around 86). Frequency Alignment : Includes settings like (BFO frequency), (local oscillator offset), and (fine-tuning limits). Google Groups Standard Menu vs. Service Menu For less intrusive changes, use the standard background menu by long-pressing the

“If you don’t own an oscilloscope, don’t touch the bias settings. Seriously. You’ll smoke your finals.” — Tech support, AnyTone forum

Adjusting power output levels or modulation depth beyond factory specifications can cause the final power transistors to overheat and fail.