Connect the programming cable to your computer's USB port and the PT8100's microphone jack. Power on the Kirisun PT8100 radio. Open the Kirisun programming software.
Extract the Kirisun PT8100 programming software ZIP file to your local drive. Double-click setup.exe or the main installer file.
Toggle between Wide (25 kHz) or Narrow (12.5 kHz) based on local regulatory mandates.
This error indicates a frequency synthesizer problem, often caused by programming a frequency outside the radio's operational range. Reprogram the radio with valid frequencies.
Before changing any settings, it is vital to back up the factory configuration already residing on your radio. Reading from the Radio