The service menu is intended for advanced users and technicians. These settings are ; performing a standard factory reset will not restore them to their original values.
Entering the service menu on the AT-5555N II is not a simple button press. It requires a deliberate sequence, a holdover from the radio's lineage (originating from the Qixiang/AnyTone design family). To access it: anytone at5555n ii service menu work
🔧 Turn the radio off. Press and hold the FUNC button and the BAND button simultaneously, then power on the radio while holding them. Keep holding until the display shows "SERVICE" or a different firmware version indicator. The service menu is intended for advanced users
The standard method to enter the alignment/service mode for this series of radios is: the radio. Press and hold the buttons simultaneously. While holding them, the radio using the Volume/Power knob. It requires a deliberate sequence, a holdover from
The setting is crucial for accurate Single Sideband (SSB) operation (USB/LSB). This adjusts the frequency of the
Next was the power calibration. He keyed the microphone, watching the meter on the radio jump. The needle slapped the red zone instantly—dangerous. If he transmitted like that, he’d blow his final transistor, leaving him truly silent.