These parameters dictate how loud and clean your transmitted audio will be.
Before considering any modifications to the internal settings of a transceiver, it is vital to understand the risks involved. The service menu is intended for use by qualified technicians with specialized calibration equipment.
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 . anytone at-5555n ii service menu
Note: exact key sequence may vary by firmware version. If these don’t work, consult the official service manual or firmware release notes.
The Service Menu contains parameters essential for the functionality of the Phase Locked Loop (PLL) and the RF Power Amplifier. The exact numbering may vary by firmware version, but the functions remain consistent. These parameters dictate how loud and clean your
The method differs slightly depending on the specific firmware version of your radio, but the following method is standard for the N-II series:
: Before changing any value, record the original factory setting for all 53+ items. There is no master reset that restores these individual calibration values once changed. Accessing the service menu on the AnyTone AT-5555N
, a beast of a 10-meter radio that had gone strangely silent on the upper sideband
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
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