Calibrates the signal strength meter (S-Meter) to match standard signal levels.
: Use the CHANNEL selector to move through menu items and the FUNC button to scroll through sub-settings. anytone at5555n ii service menu work
Use a high-quality dummy load and an accurate watt/SWR meter, or a radio service monitor, to ensure proper alignment. Calibrates the signal strength meter (S-Meter) to match
Do you have a specific scenario, such as using the service menu to fine-tune modulation for SSB, that you'd like to explore further? or a radio service monitor
: While holding the PTT key on the microphone, rotate the Channel Selector to adjust the value.