Unlocking the Potential: A Detailed Guide to the Anytone AT-5555N II Go to product viewer dialog for this item. Service Menu Anytone AT-5555N II Go to product viewer dialog for this item.
Making incorrect adjustments to power stages or bias settings can lead to overheating and permanent hardware failure. Recommended Best Practices
The service menu allows for the adjustment of internal parameters that are not accessible through the standard user menu. These settings typically include:
Rotate the Channel Selector knob (or use the microphone up/down keys) to scroll through the different hidden menu options.
: Altering service menu parameters usually voids your manufacturer warranty. anytone at-5555n ii service menu
This is the most important section of the entire article. Before we even discuss the key sequences to access the service menu, it is critical to understand the risks involved.
Accessing the service menu on the AnyTone AT-5555N II requires holding the MENU and MODE buttons while powering on, followed by pressing the top row of buttons from DW to EMG. Because these settings control internal calibration and lack a factory reset option, users are advised to record all original values before making adjustments. Read more at WorldwideDX Radio Forum .
He navigated to the bias settings, his fingers dancing over the channel knob to adjust the internal gain. He wasn't looking at the screen as much as he was watching the needle on his external power meter. With a final, delicate click of the dial, the needle jumped to life, dancing perfectly to the rhythm of his voice.
Compare the service menu to the .
Any testing involving transmission should be done into a dummy load to prevent unnecessary interference and protect the final transistors.
While holding the PTT , rotate the Channel Selector to change the numerical value. Save & Exit: Turn the radio OFF to save your new settings. Common Known Settings
The service menu allows a technician to digitally trim these values without soldering iron or variable capacitors (trimmers). It is intended for daily driver adjustments to "squeeze more power" out of the radio.
Tuning the signal strength indicator for accuracy. Important Considerations Unlocking the Potential: A Detailed Guide to the
I can provide more targeted steps to safely or help you interpret your current menu settings. Share public link
You should never adjust service menu settings blindly or by relying on "on-the-air" audio reports. To properly align the AT-5555N II, you need the following diagnostic equipment:
To enter the hidden service menu, use the following key sequence: the radio. Hold down the [FUNC] button and turn the radio on .
Adjustments should only be made while the radio is connected to a dummy load or a properly tuned antenna. How to Access the Service Menu Recommended Best Practices The service menu allows for
Entering the service menu without proper knowledge can lead to irreversible issues. Before making any adjustments, it's crucial to understand the following risks: