AnyTone AT-5555N II features a deep "Service Menu" (or hidden alignment menu) that allows for precise hardware calibration beyond standard user settings. Accessing this menu is essential for fine-tuning frequency offsets or restoring factory performance after extensive use. How to Access the Service Menu
He was about to exit when he saw the S0 setting—the squelch threshold. It was set to maximum paranoia, choking out weak signals. That explained why he couldn't hear Mike. He backed it off a few notches, allowing the static to breathe a little. anytone at5555n ii service menu work
Alternative Method : Some versions use a sequence of pressing all 6 buttons from to EMG after the initial boot. Key Settings and Navigation AnyTone AT-5555N II features a deep "Service Menu"
Just a heads-up for anyone running the – yes, there’s a hidden service menu, but accessing it isn’t as straightforward as older models. Warning: Increasing the modulation limit beyond the radio's
The AT-5555N II uses a button combination sequence to unlock the hidden engineering parameters. Do not confuse this with the simple "Factory Reset" (hold FUNC + A/F while powering on). The Service Menu is deeper.