Ats-20 — Radio Manual

FM, AM, MW (Medium Wave), LW (Long Wave), SW (Shortwave), and SSB (Single Sideband)

Rotate the TUNE/BFO/ATS knob to adjust the frequency.

Ultimate ATS-20 Radio Manual: Setup, Operation, and Expert Tips ats-20 radio manual

To protect the sensitive Si4732 chip from static discharge or lightning‑induced spikes, many users add two BAT41 Schottky diodes back‑to‑back across the antenna input . If you are not comfortable opening the radio, you can install the diodes inside a BNC plug with a crocodile clip – then connect your wire antenna to the clip.

: Short press the BWS or Band button to cycle through FM, AM, and various SW (Shortwave) bands. FM, AM, MW (Medium Wave), LW (Long Wave),

Press the button once. The volume indicator on the screen will flash.

Press and hold the POWER button until the OLED screen lights up. : Short press the BWS or Band button

Use for amateur radio bands below 10 MHz (e.g., 40-meter band).