The “manual” in the photos was a grainy, low-resolution JPEG of a single page of Chinese text, already watermarked by three different resellers. Elias, a man who liked to read instructions for toasters cover to cover, felt a prickle of unease.
| Problem | Likely Cause | Solution | | :--- | :--- | :--- | | Radio won't turn on | Dead 18650 battery | Recharge via USB-C for 4 hours. Use a 1A charger. | | No SSB audio | Wrong sideband or BFO offset | Toggle USB/LSB. Access hidden menu to adjust BFO. | | FM sounds distorted | Overload | Extend the antenna only partially. Enable FM RF gain if available. | | Display flickers | Low battery voltage | Replace or recharge the 18650. | | Can't hear AM stations | Bandwidth too narrow | Short press until set to 6.0 kHz or higher. | | Encoder skips frequencies | Dirty encoder | Rotate the knob rapidly 20 times. Or open and spray contact cleaner. | ats-20 radio manual
This unit supports Single Side Band (SSB), essential for Ham Radio and Utility stations. The “manual” in the photos was a grainy,