: Press to toggle gain settings, which helps stabilize signal strength for clearer audio. Firmware Upgrades
: A popular "advanced" firmware that adds a cleaner interface, better battery monitoring, and removes "chuffing" (the brief audio mute when tuning). How to Flash : Most units connect to a PC via . You can use tools like Arduino IDE to upload new Quick Troubleshooting EEPROM Reset
Press the encoder knob or wait 3 seconds to save the volume level. Tuning and Band Selection ats-20 radio manual
Changes bandwidth filter settings (useful for reducing noise). Standard frequency navigation. Press to confirm or scan. Adjusts Beat Frequency Oscillator (BFO). 3. Advanced Operation Frequency Scanning : On firmware that supports it, ensure
Spin to change frequencies. Press it inward to toggle secondary functions like the BFO (Beat Frequency Oscillator) fine-tuning layer. 🚀 Quick-Start Guide Get up and running in under 60 seconds with these steps: : Press to toggle gain settings, which helps
Operating the ATS-20 relies heavily on combinations of button presses and turning the main rotary dial. Powering On and Off Locate the physical power switch on the device.
Fully extend the antenna for FM and Shortwave reception. For AM and LW, the radio relies on its internal ferrite bar, so rotating the physical body of the radio will improve the signal. You can use tools like Arduino IDE to
The performance of the Si4732 chip depends heavily on your environment and antenna setup. Use these tips to enhance your listening experience:
Press the button repeatedly to cycle through the pre-programmed global radio bands:
Because the radio is based on Arduino, many users upgrade the stock software to "Super Firmware" for better performance. ATS-20+ AM FM LW SSB Shortwave Radio w
This comprehensive manual covers everything from basic layout to advanced navigation. 📻 Technical Specifications