Ats-20 Radio Manual

Press the button repeatedly to cycle through FM, LW, MW, and SW bands.

Cycles through the available radio bands (FM -> LW -> MW -> SW bands).

Switches between modulation types. Cycle through AM, LSB, USB, and FM depending on the selected band.

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. ats-20 radio manual

The ATS-20 (often utilizing the SI4732 chip) is a highly capable, budget-friendly, and portable shortwave radio receiver. It is a favorite among Amateur Radio operators and Shortwave Listeners (SWL) because it packs All-Band coverage—including Single Sideband (SSB)—into a compact, aluminum housing.

Rotate the encoder knob to find a station. Fine-Tuning and Using SSB (Single Sideband)

Use the BAND+ or BAND- buttons to cycle through pre-configured commercial and amateur radio bands. Press the button repeatedly to cycle through FM,

Use B3/B4 to jump to the 40-meter (7,000–7,300 kHz) or 20-meter (14,000–14,350 kHz) amateur band. Select Sideband Type: Use LSB for bands below 10 MHz (e.g., 40m, 80m). Use USB for bands above 10 MHz (e.g., 20m, 15m, 10m).

Turn the after power-on. There is no digital volume display.

This is the most important concept to grasp: Cycle through AM, LSB, USB, and FM depending

That night, he found a PDF online. It was a scanned copy of a copy, the diagrams reduced to smudged charcoal blobs. But the text, broken English, was just legible enough.

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:

SSB is essential for listening to ham radio operators, Morse code (CW), and utility transmissions.

Spin the rotary encoder until you hear human speech. It will likely sound high-pitched ("Donald Duck voice") or heavily distorted.