Turn the radio off. When you turn it back on normally, the new calibration parameters will be active in the transceiver's non-volatile memory (EEPROM). Breakdown of Key Service Menu Parameters
: All LCD segments will illuminate for approximately 2 seconds. Within this window, release the buttons and immediately press the top-row keys in this specific order: [RB] , [NB] , [SCAN] , [MEM] , then [EMG] . anytone at5555n ii service menu updated
Anytone AT-5555N II service menu is a "hidden" configuration area used for fine-tuning the radio's frequency alignment and modulation settings. Unlike the standard background function menu, this requires a specific startup sequence to access. 1. How to Access the Service Menu Turn the radio off