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 .
Note: On some firmware versions, the entry method may be slightly different (e.g., holding LCR/MODE instead of BAND). If the above fails, try FUNC + MODE + Power. anytone at-5555n ii service menu
If your radio is slightly off-frequency (people tell you you sound "bassy" or "muffled" on SSB): Accessing the service menu on the AnyTone AT-5555N
Immediately press the remaining buttons on the top row in order (starting with , then RB , NB , SCAN , MEM , and EMG ). The "FUNC" Sequence: Hold [FUNC] while powering on. Then press [RB] , then [NB] , then [DW] in sequence. Note: On some firmware versions, the entry method
Also, never max out the power settings (e.g., S-08 ). The radio’s final transistors will overheat. A safe bump from 50W to 60W SSB is fine; going for 100W will smoke the radio.
To see the current numerical value of a setting, press the PTT (key the mic) .