Ensure the SWR (Standing Wave Ratio) is as low as possible. A well-tuned antenna is more effective for performance than "cranking up" internal power settings.
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.
Here’s a detailed feature-style article on the , written for radio enthusiasts, techs, and CB/Ham operators who want to unlock the full potential of their rig.
However, misconfiguring these settings can damage your radio or cause illegal interference. This guide explains how to access the service menu safely, what the settings mean, and how to optimize your transceiver. ⚠️ Vital Warning Before You Begin
To sum up, here is the best practice for using the AT-5555N II's service menu: