Do you have test equipment available, such as a or dummy load ?
Calibration should ideally be done using a calibrated dummy load, power meter, and frequency counter to avoid radiating illegal signals or damaging the final stage transistors.
Hook the radio up to a calibrated frequency counter or dummy load paired with a known accurate receiver. Adjust this parameter until your transmitted carrier matches the exact target frequency (e.g., 27.205 MHz for Channel 20). 2. RF Power Output (POW / PA / AM / FM / SSB)
Before changing a single number, grab a pen and paper. Scroll through every single menu item and write down the factory-set hexadecimal or digital value. If you mess up, you can manually restore the radio to its factory baseline. anytone at-5555n ii service menu
Sets the Peak Envelope Power (PEP) for Single Sideband.
These settings control the drive levels for the final amplification stage. : Sets the carrier power for AM and FM modes.
There are two primary reported ways to access advanced settings: Do you have test equipment available, such as
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Setting the minimum and maximum output power for different modes (AM, FM, SSB).
While documentation is limited, users have identified several key settings: Adjust this parameter until your transmitted carrier matches
Standard factory resets often do not revert service menu values to their original state.
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