The ATS-20 (and its successor, the ATS-20+) is a popular, low-cost "all-band" radio receiver based on the Si4732 DSP chip. Because many of these units are sold as kits or generic imports, a physical manual is often missing from the box.
Antenna Issues: For FM, the standard telescopic rod antenna is generally better than internal traces, which can introduce noise from the unit's electronics. ats-20 radio manual
buttons to cycle through FM, AM, LW, and the various Shortwave (SW) bands. Mode Button : Cycles through modulation types: (Upper Sideband), and The ATS-20 (and its successor, the ATS-20+ )
ATS-20 Radio Manual: Operating Instructions Introduction : This section provides an overview of
Volume: Adjust using the dedicated knob or through the digital interface (depending on your specific firmware version). 3. Selecting Modes and Bands
Firmware Updates: Many ATS-20 radios run on Arduino-based code. If your device feels "buggy," the enthusiast community often releases updated sketches that improve stability and add features.
Frequency Bands: Supports FM, AM (MW and SW), and SSB (LSB and USB). Controls: BFO Control: Used to clear up voice signals in SSB mode. Frequency Steps: Switchable between 1, 5, and 10 KHz steps.