To eliminate adjacent channel interference, tap the icon on the screen. You can select narrow filters for voice clarity or wider filters for high-fidelity music: AM/SSB Bandwidths: 0.5, 1.0, 1.8, 2.2, 3.0, 4.0 kHz. FM Bandwidths: 56, 64, 84, 110 kHz. Automatic Gain Control (AGC)
The ATS-25 is a popular amateur radio transceiver, and having the manual can be very helpful for operation, troubleshooting, and configuration.
Turn off the ATS-25. Hold down the rotary encoder knob while connecting the radio to your PC via a Type-C USB data cable. This forces the chip into bootloader mode.
Use your finger or the included stylus to tap icons, change bands, and select menus.
Tap the (Beat Frequency Oscillator) function. Use the rotary encoder to fine-tune the pitch until the human voice sounds clear and natural instead of robotic. Bandwidth (BW) Selection ats-25 radio manual pdf
Q: What is the frequency range of the ATS-25 radio? A: The ATS-25 radio operates on frequencies between 1.8 and 30 MHz.
If you are looking for the or trying to master its complex touchscreen interface, this comprehensive guide covers everything you need to know to operate your receiver effectively. Technical Specifications Overview
Since I cannot directly host or transmit PDF files, I have provided the below, followed by a text-based quick-start guide compiled from the standard manual specifications.
Adjusts audio levels. On some firmware versions, pressing this knob acts as a quick audio mute. To eliminate adjacent channel interference, tap the icon
Before diving into the manual, it helps to understand what you are holding. The ATS-25 is a wideband receiver based on the (and previously the SI4735). It is loved by radio enthusiasts because it covers:
To update, you will need to connect the radio to a PC using a high-quality data-capable USB-C cable and flash the chip using tools like Arduin-o IDE or specialized ESP32 flashers, depending on your radio's exact board revision. 6. Downloading the ATS-25 Radio Manual PDF
Turn off the internal pre-amplifier or manually lower the attenuation (ATT) settings via the touchscreen menu. Accessing the Official ATS-25 Radio Manual PDF
+-----------------------------------------------------+ | [FREQ: 15,300.00 kHz] [MODE: USB] [BW: 2.2 kHz] | <-- Status Bar |-----------------------------------------------------| | | | SPECTRUM WATERFALL | <-- Visualizer | | |-----------------------------------------------------| | [BAND] [MODE] [AGC] [BW] [STEP] [SYS] | <-- Function Keys +-----------------------------------------------------+ Primary Function Keys Automatic Gain Control (AGC) The ATS-25 is a
: Download PDF from Harduino .
: Specifically for the version with networking capabilities. ATS25X2 WiFi Radio Overview & Setup Key Operations & Features Si4732 ATS-25 MAX Full Band Radio Receiver User Manual
Many community modifications (such as the popular Harduino or ATS-Community firmwares) expand the capabilities of your factory ATS-25. Checking Your Version
The manual is essential for understanding crucial functions such as adjusting the for optimal SSB reception, navigating the on-screen menus , managing memory presets , and utilizing the built-in Wi-Fi and Bluetooth features . Without the manual, users may struggle with issues like frequency drift, poor sensitivity, or decoding digital modes.
The physical manual that ships with the ATS-25 is often a thin, black-and-white booklet with broken English. Phrases like "Click the press to start the tuning of the frequency" are common.
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