User Experience and Accessibility Good manuals use clear language, consistent terminology, and avoid jargon where possible. Diagrams should be labeled and readable; photographs of key components help non-technical users. Multilingual support, printable PDFs, and searchable digital formats increase accessibility. The manual should note firmware update procedures if applicable.
Short press to enter volume mode (use encoder to adjust). STEP: Adjust tuning steps (
The ATS-20 (and the upgraded ATS-20+) are compact SI4732-based all-band radio receivers popular in the ham radio community. Because these are often sold as DIY kits or unbranded imports, a single "official" printed manual can be hard to find, but you can use the following guide for operation and resources. ats-20 radio manual
If you bought an "ATS-20" from AliExpress, eBay, or Amazon, verify which chip you have:
Press to save setting, then B to exit.
Ensure the antenna is long enough; a 20-meter wire is recommended for effective Shortwave reception.
The ATS-20 truly shines due to its passionate community. Here is where you can find more detailed information, the latest firmwares, and troubleshooting help. User Experience and Accessibility Good manuals use clear
and its upgraded sibling, the , are compact, budget-friendly DSP receivers based on the Si4732 chip and Arduino Nano architecture
Displays the current frequency, signal strength (RSSI/SNR), current step size, battery indicator, and active mode (AM/FM/SSB). The manual should note firmware update procedures if
A few different versions of this radio are available. The most common are the original ATS-20 and the . While the basic concept is the same, there are some key differences to be aware of.