64 MHz to 108 MHz (supports Worldwide FM and RDS data). Longwave (LW): 150 kHz to 450 kHz. Mediumwave (MW / AM Broadcast): 520 kHz to 1710 kHz.
Solution: Check your (Bandwidth) filter. If it is set too narrow or if the ATT (Attenuator) is misconfigured, it can clip audio. Alternatively, ensure you are not accidentally in SSB mode. The touchscreen is inaccurate or non-responsive.
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Tap the button on the touch screen to cycle through available demodulation types: AM: Standard broadcast shortwave, mediumwave, and longwave. FM: Wideband FM for commercial radio stations. ats-25 radio manual pdf
The ATS-25 minimizes physical buttons by shifting most controls to the 2.4-inch color touch screen. Mastering these shortcuts will make scanning the bands much smoother. The Main Screen Layout
Press and hold the front panel button for 2 seconds until the screen lights up.
Tune to the shortwave band where ham operators gather (e.g., 40 meters / 7100 kHz or 20 meters / 14200 kHz). 64 MHz to 108 MHz (supports Worldwide FM and RDS data)
Q: What is the purpose of the built-in antenna tuner on the ATS-25 radio? A: The built-in antenna tuner helps to optimize the radio's performance by matching the impedance of the antenna to the radio.
Most buyers want to listen to ham radio on 40m or 20m bands. The manual’s SSB section explains:
Cycles through frequency tuning increments (0.1 kHz, 1.0 kHz, 5.0 kHz, 10.0 kHz). Solution: Check your (Bandwidth) filter
Tap the STEP icon on the screen or press the rotary knob inward. Cycle through steps ranging from 1 kHz to 100 kHz for rapid or fine tuning. 5. Advanced Features and SSB Operation Single Sideband (SSB) Listening
Open your flashing tool, select the correct COM port, set the baud rate to 115200 , and select the downloaded community firmware binary file.
The (often referred to as the ATS-25 Max, ATS-25X2, or Si4732) has quickly become a favorite among radio enthusiasts. It is a compact, full-band receiver known for its versatility, touchscreen interface, and impressive performance across FM, AM, LW, MW, SW, and SSB frequencies.
Contains the USB Type-C charging port and the 3.5mm headphone jack. 3. Basic Operation Guide
Press the rotary knob inward to cycle through tuning step increments (e.g., 100Hz, 1kHz, 5kHz, 9kHz, 10kHz). 4. Advanced Features and SSB Operation