Switches between radio bands (FM, AM, MW, LW, SW) or toggles modulation modes.
Internal 3.6V 800–850 mAh lithium battery, providing roughly 6–8 hours of runtime. Audio: Built-in 1W–2W speaker and 3.5mm headphone jack.
: If the radio behaves strangely after a firmware flash, turn it on while holding the encoder button down to reset the memory to defaults. Antenna Performance : While the included telescopic whip is decent for FM, an external wire antenna ats-20 radio manual
Changes bandwidth filter settings (useful for reducing noise). Standard frequency navigation. Press to confirm or scan. Adjusts Beat Frequency Oscillator (BFO). 3. Advanced Operation Frequency Scanning : On firmware that supports it, ensure
: Rotate the main encoder knob. Short-pressing the knob typically changes the tuning step (e.g., 1kHz, 5kHz, 10kHz). Switches between radio bands (FM, AM, MW, LW,
The ATS-20 radio manual covers the following topics:
Turn the to adjust the volume level (0 to 63). Press V/M again to lock the volume and return to tuning. 📻 Advanced Features and Modulation Modes : If the radio behaves strangely after a
Shows current frequency, signal strength (RSSI), SNR, band, step size, and volume.
Tune as close to the target frequency as possible using normal step sizes. Tap the (Beat Frequency Oscillator) button.
He turned the radio on. The screen bloomed a cool blue. A hiss of static filled his basement workshop. There were only four buttons, a volume knob, and a smooth tuning dial that clicked with a satisfying, oily precision. Without a guide, the device was a monolith. He pressed the buttons at random: BAND . The frequency jumped from FM to shortwave. MODE . The static shifted from a whisper to a roar. VFO . The numbers on the screen began to blur and race as he spun the dial.
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