Calibrate the digital S-meter so that incoming signal reports match real-world RF signal strength. How to Access the Service Menu
After adjusting a parameter (e.g., P-32), you must press and hold the "FUNC" button for 2 seconds . The screen will beep or flash, confirming the write to EEPROM. anytone at5555n ii service menu work
What or board revision is your radio running? Calibrate the digital S-meter so that incoming signal
: Requires an RF spectrum analyzer or a highly sensitive scope to minimize the carrier spike while keying the mic without speaking. 3. Mode Power Adjustments (AM-P / FM-P / SSB-P) What or board revision is your radio running
If you boosted the power values to achieve maximum output, you may be overdriving the final FETs. Higher current draw leads to rapid heat buildup. Lower the values immediately back to factory specifications.
Elias pulled into the gravel lot of an abandoned weigh station, the truck’s brakes hissing in the damp air. He killed the engine, plunging the cab into silence save for the rhythmic drumming of rain on the roof. He grabbed his flashlight and a spiral notebook.