Ats-20 Radio Manual
ATS-20 Radio: Quick Start & Operation Manual
1. What’s in the Box? (Typical)
- ATS-20 radio unit
- USB-C charging cable (5V only – do not use fast chargers)
- Removable 18650 lithium battery (may be included or sold separately)
- Small wire antenna (for shortwave)
- User manual (often poorly translated)
Band Selection: Press the Band button or the rotary encoder to cycle through pre-configured bands (FM, AM, MW, SW, and SSB).
He never turned it on again. But sometimes, late at night, he swears he hears a faint voice coming from the unpowered speaker. His own voice. Speaking a secret he has never told a soul. ats-20 radio manual
Since the ATS-20 shares architecture with the more advanced ATS-25, their manuals are often used interchangeably for firmware-related functions: ATS-20 Radio: Quick Start & Operation Manual 1
Practical tips for users
- Keep a current-limited bench supply for safe bench testing.
- Use a known good dummy load and wattmeter for transmit testing.
- Record alignment steps and initial settings before adjustment.
- Avoid over-driving the transmitter; verify modulation linearity with an oscilloscope.
- Maintain clean, tight RF connections; oxidized connectors can produce intermittent faults.
: In USB or LSB mode, press the tuning knob to activate BFO. This allows for ultra-fine adjustments (often in 10Hz or 20Hz steps) to clarify "Donald Duck" voices in SSB transmissions. AGC (Auto Gain Control) ATS-20 radio unit USB-C charging cable (5V only
The ATS-20 radio manual typically covers various aspects of the radio's operation, features, and specifications. Here are some key points that are often included:
The ATS-20 hadn’t come with a manual. Just the radio itself, a slick slab of black plastic and a tiny, glowing screen, wrapped in a single sheet of bubble wrap. When Elias had ordered it from an online marketplace for forty-seven dollars, the listing had said: “ATS-20 DSP Radio Receiver – Full Band – See photos for manual.”
Community PDF: A community-shared H-RADIO User Manual (PDF) for the ATS-25 is often used as a reference for ATS-20 firmware.