Adjusts the low power dead key (often set to 2 watts for amp driving). Modulation Some users set these to "0" to improve AM modulation swing. #52 (RFG) RF Gain Fix
The is a high-performance 10-meter radio, but many of its most critical calibration settings—like power output and modulation—are tucked away in a hidden Service Menu . Because there is no factory "reset" for this specific menu, users must exercise extreme caution when making adjustments. How to Access the Hidden Service Menu anytone at5555n ii service menu updated
: Once the radio powers up, release the initial buttons and immediately press the following top-row buttons in order: [DW] , [RB] , [NB] , [SCAN] , [MEM] , and [EMG] . Adjusts the low power dead key (often set
: Always WRITE DOWN every original value before changing it. There is no software reset for these specific alignment values; if you change them without a backup, you cannot easily restore factory calibration. Key Service Menu Items and Fixes Because there is no factory "reset" for this
While the radio lacks official documentation for every item, community testing has identified several critical settings for the AT-5555N II: Description AM High Power Adjusts the peak dead key for AM high power mode. #17 AM Low Power