The entry sequence for the updated Version 2 (N II) is more complex than the original model. : Start with the radio turned OFF .
: Includes parameters for AM modulation and AMC clamping levels; lower values typically equate to higher modulation. Summary of Hidden Menus Access Method Common Purpose Standard Menu Long press [MENU] User settings (BEEP, ECHO, TOT, etc.) Expansion Menu Hold [FUNC] + [SCAN] at power-on Resetting frequency ranges (e.g., 25.615–30.105 MHz) Service Menu [MENU]+[MODE] at power-on, then [RB, NB, SCAN, MEM, EMG] Technical alignment (RF Gain, BFO, Modulation) anytone at5555n ii service menu updated
The menu contains approximately . Common points of interest include: The entry sequence for the updated Version 2
(If that doesn't work, consult your model-specific manual — firmware versions sometimes change the combo.) Summary of Hidden Menus Access Method Common Purpose
However, I need to provide a critical warning before proceeding:
. It is recommended to adjust this first to get close to the target frequency. fr0, fr4, fr5, fr9 Limit voltages for fine-tuning
To enter this restricted space, Elias performed the precise sequence required for the newer firmware: He turned the radio off. He held down the button while powering it back on. Once the screen lit up, he quickly pressed