Menu Work | Anytone At5555n Ii Service

Once in the service mode, you can scroll through settings by pressing the button and adjust values using the Google Groups

This "Main Boot-up Service Menu" is distinct from the standard user settings menu and is used for internal hardware alignments, such as power output and frequency fine-tuning.

The service menu, also known as the engineering menu, is a special menu that allows authorized users to access and modify advanced settings and configurations on the Anytone AT5555N II. This menu is not accessible through the standard user interface and requires a specific sequence of buttons to be pressed. anytone at5555n ii service menu work

To properly adjust the service menu, you should have a reliable SWR/Power meter and a digital multimeter. Ideally, a service monitor (like an HP8920) is used to verify deviation and frequency accuracy.

Once you are in the service menu, you will notice various alignment settings categorized by the radio's (FM, AM, USB, LSB, PA). Different modes require different parameter settings, though some are shared across all of them. Once in the service mode, you can scroll

Once you have entered the menu, use the following controls to navigate and adjust:

The first issue was the frequency offset. The display read FS 0.002 . That was the culprit. Someone had shifted the reference frequency, knocking his transmission off-channel. He tapped the channel selector knob, the plastic clicking loudly in the quiet cab. He dialed it back to 0.000 . To properly adjust the service menu, you should

: Let the radio run for 10 to 15 minutes before adjusting frequency calibration so the internal components reach a stable operating temperature. If you want to tailor your radio further, let me know: