Since you requested a "full paper" style breakdown regarding the updated service menu for the (and its variants like the CRT SS 7900 or Maverick MC-7900), I have compiled a comprehensive technical guide below.
switch. Some settings are shared, while others must be tuned per mode (AM/FM/USB/LSB). Adjustment Order : If your radio is off-frequency on SSB, adjust first, then use anytone at5555n ii service menu updated
Alignment files are unique to each unit. Do not upload an alignment file from one radio to another as it will cause incorrect calibration [13]. Notable Hardware Improvements (N II Version) Anytone AT-5555N II Since you requested a "full
To the Service Menu, simply turn the radio off and back on again normally. Exit To the Service Menu, simply turn the
Squelch or RF Power). You can now release the button.