Tip: Use 2.0kHz–3.0kHz for clear SSB voice reception, and 4.0kHz–6.0kHz for high-fidelity music broadcasts. Accessing the Secondary Menu (Volume & Mute)
Silicon Labs SI4732-A10 [with updated firmware patches] Frequencies: FM: 64–108 MHz (with RDS capability) LW: 153–500 kHz MW: 520–1710 kHz SW: 1730–30000 kHz Modes: AM, LSB, USB, WFM (Wide FM for standard broadcast) Battery: 3.7V / 1200mAh internal Lithium-ion Antenna Port: BNC Female (50 Ohm impedance) Audio: Internal speaker or 3.5mm stereo headphone jack 🎛️ Physical Layout and Interface
Press the AGC button to toggle gain modes, which helps stabilize signal strength. Firmware Updates and Customization
Issue 1: The screen is completely blank and the radio won't turn on. ats-20 radio manual
Press repeatedly:
Download the desired SI4732 sketch/hex file (popular variants include PU2CLR or Harduino firmware).
button to toggle between filters (0.5, 1, 1.2, 2.2, 3, and 4 kHz) to cut out nearby interference. Hardware Pro-Tips for Better Reception Tip: Use 2
Connect the ATS-20 to a computer using a high-quality USB Type-C data cable.
A physical slide switch or button to completely disconnect the battery and prevent passive drain. 3. Step-by-Step Operating Instructions Powering Up and Basic Tuning
Press the button to select LSB (Lower Sideband, standard below 10 MHz) or USB (Upper Sideband, standard above 10 MHz). A physical slide switch or button to completely
The ATS-20 radio manual is a comprehensive guide that provides users with the knowledge they need to operate and troubleshoot their device. With its range of features, compact design, and ease of use, the ATS-20 radio is an excellent choice for outdoor enthusiasts and communication professionals. By following the instructions and tips outlined in this article, users can get the most out of their ATS-20 radio and stay connected in the field.
Equipped with a 0.96-inch OLED display, a built-in 3.6V lithium battery, and a BNC or SMA antenna interface. Operational Guide Summary