Ats-20 Radio Manual «FULL – 2025»

The ATS‑20 can demodulate SSB and CW by using the . On most units:

Press the button to cycle through the main operating modes: FM → AM → LW → SW .

Used for voice communications on higher amateur bands (e.g., 20 meters and up). ats-20 radio manual

Press the STEP button to cycle through tuning increments. Available steps change based on the mode (e.g., 1kHz, 5kHz, 9kHz, 10kHz for AM/SW; 100kHz for FM). Selecting Bands

Understanding the hardware limits helps you choose the right external antennas and operations: The ATS‑20 can demodulate SSB and CW by using the

Check your antenna connection. Ensure the BNC male plug is locked securely into place. If you are indoors, modern radiant barriers or concrete walls can completely block RF signals; move closer to a window.

Connects external headphones or stereo speakers. 3. Step-by-Step Operation Guide Powering On and Off Press the STEP button to cycle through tuning increments

Ensure you are using a dedicated 5V/1A charging brick rather than a high-wattage laptop or smartphone fast charger, which can trip the simple internal charging protection circuit. If the cell is completely dead, the chassis can be unscrewed to replace the internal 3.7V 18650 lithium cell. 6. Advanced Tips: Firmware Modification

User Experience and Accessibility Good manuals use clear language, consistent terminology, and avoid jargon where possible. Diagrams should be labeled and readable; photographs of key components help non-technical users. Multilingual support, printable PDFs, and searchable digital formats increase accessibility. The manual should note firmware update procedures if applicable.

In SSB (USB/LSB) mode, press the TUNE/BFO button once to enter BFO mode for fine-tuning voice signals.

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