To properly adjust the service menu, you should have a reliable SWR/Power meter and a digital multimeter. Ideally, a service monitor (like an HP8920) is used to verify deviation and frequency accuracy.
To access the Anytone AT-5555N II service menu, you must , then quickly press the remaining top-row buttons ( DW , RB , NB , SCAN , MEM , and EMG ) in order .
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What are you trying to fix (e.g., low power, off-frequency, low audio)? anytone at5555n ii service menu work
He looked at the unit bolted beneath the dash: the Anytone AT-5555N II. It was a beauty—a 10-meter radio converted for CB use, shiny chrome faceplate reflecting the dashboard lights. He’d bought it from a guy in a truck stop parking lot in Tulsa who swore it was "peak-tuned by a wizard in El Paso." Elias had been having fun with it for a week, but tonight, the "wizard’s" work seemed to have backfired.
Altering settings in the engineering menu directly rewrites the flash memory of your radio's processor. Proceed with the following rules:
Release the buttons once the LCD display changes to show a service menu item code (typically formatted as a shorthand category and a digital value). To navigate the menu: To properly adjust the service menu, you should
: All LCD segments will light up for approximately two seconds. Within this window, release the first two buttons and immediately press the following buttons in exact order: [RB] , [NB] , [SCAN] , [MEM] , and [EMG] .
(take a photo or keep a log) before changing anything. Any changes you make are entirely at your own risk. Accessing the Hidden Service Menu
Press the PUSH knob or the FUNC key (depending on the firmware version) to highlight the value, then rotate the channel knob to adjust it. This public link is valid for 7 days
Ensures the radio is perfectly on frequency, fixing "off-frequency" transmitting or receiving on USB/LSB.
Once inside, the standard channel knob does not change frequency. Instead, it scrolls through the . The button functions remap as follows:
These parameters allow for fine-tuning the radio's performance for different modes (AM/FM/USB/LSB): Google Groups : Adjusts the frequency of the 10.24MHz BFO : Controls the local oscillator offset fr0, fr4, fr5, fr9 : Used for fine-tuning