Ats-20 Radio Manual [better]
Flip the physical power switch located on the side panel to the position.
Shortcut: Pressing down on the rotary knob itself can often toggle fast-tuning modes or step sizes, depending on your firmware version. Operating Single Sideband (SSB) Mode
Use the FM/AM switch on the back to toggle between FM broadcast and all other modes (AM, LW, SW, SSB).
Pressing the rotary encoder often triggers an automatic scan for the next active station. User Manual
The ATS-20 is a remarkably affordable, pocket‑sized SDR (Software‑Defined Radio) receiver that has captured the attention of hobbyists worldwide. Built around a powerful , it delivers continuous coverage of FM, AM (MW and SW), SSB (LSB and USB), and CW in a device that can be purchased for around £30 /US$30–40. The receiver is designed for experimentation – its firmware can be modified and upgraded by the user, transforming it from a simple “toy” into a serious communications receiver for amateur‑radio and shortwave‑listening applications. ats-20 radio manual
Displays the current frequency, signal strength (RSSI/SNR), current step size, battery indicator, and active mode (AM/FM/SSB).
The ATS-20 (often based on the SI4732 chip) is a highly capable, budget-friendly All-Band DSP radio receiver. It covers FM, AM, and Shortwave (SW) bands with Single Sideband (SSB) support. This comprehensive guide serves as your complete operating manual to unlock the full potential of your receiver. 🔑 Hardware Layout and Controls
Rotate to adjust frequency. Pull the encoder to adjust BFO.
The (and the upgraded ATS-20+ ) is a portable full-band radio receiver based on the SI4732 chip. Official printed manuals are rarely included in the box, and users typically rely on community-shared PDFs or manuals for similar firmware (like the H-RADIO/ATS25 manual). Quick Start & Core Functions Flip the physical power switch located on the
Drop your tuning to the lowest setting (1 kHz or fine-step if supported).
The most powerful and rewarding aspect of the ATS-20 is its open-source firmware. Updating or "flashing" the firmware is how you add new features and improve performance. Here is a step-by-step guide based on the excellent tutorial by .
Turn off nearby electronics or take the radio outdoors away from residential power grids. Voices Sound Scrambled or Unintelligible on Ham Bands
button to choose your tuning increment (e.g., 1kHz for AM or 10Hz for fine-tuning SSB). Then, rotate the encoder to move across the frequency. Mastering SSB & Amateur Radio Pressing the rotary encoder often triggers an automatic
The ATS-20 radio manual provides detailed operating instructions to help users get the most out of their device. Here are some key steps to follow:
Features adjustable audio bandwidth filters (0.5, 1, 1.2, 2.2, 3, and 4 kHz) to help isolate weak signals.
Press the encoder knob or wait 3 seconds to save the setting. Changing Frequency Bands Press the button.
When listening to the Shortwave (SW) or Amateur Radio bands, standard AM modulation may not work for utility or ham transmissions.
Filters out adjacent channel interference by narrowing the audio bandwidth. 🚀 Getting Started 1. Powering On Extend the included BNC telescoping antenna. Toggle the physical Power Switch to the ON position.