He didn’t touch the radio for a week.
Updating the firmware (e.g., using ESPFlashDownloadTool ) can fix bugs or add "Pro" features like AIR band reception. im looking for ATS-20 Diagram ats-20 radio manual
This unit supports Single Side Band (SSB), essential for Ham Radio and Utility stations. He didn’t touch the radio for a week
This determines how far the frequency jumps when you turn the knob. ats-20 radio manual
The rotary encoder serves two functions:
Many users recommend flashing the radio with advanced firmware to unlock better performance and features: PU2CLR Library