Set your to the lowest setting (1kHz or fine-tuning if available on your firmware) to clarify the operator's voice. Adjusting Bandwidth Filters
Changes the Bandwidth filter. In AM/SW mode, you can cycle through widths like 1.0kHz, 2.0kHz, 3.0kHz, 4.0kHz, and 6.0kHz. Narrower filters block adjacent interference; wider filters sound clearer.
If you want a better ATS-20 radio manual that explains how to actually use, optimize, and enjoy this device, this comprehensive guide will unlock its full potential. Hardware Overview and Layout
Select (typically used below 10 MHz) or USB (used above 10 MHz). ats20 radio manual better
Understanding the physical layout is your first step to mastering the ATS-20. Most models feature a minimalist interface where buttons serve dual purposes based on how long you press them.
The ATS-20 relies on an Arduino Nano or compatible microcontroller internal board. You can flash community-developed firmware modifications (which offer better menus, scanning capabilities, and extended frequency ranges) by connecting the Type-C port to a PC and using the Arduino IDE software.
Collapse the telescopic antenna slightly or disable the LNA. Set your to the lowest setting (1kHz or
The front panel features a matrix of buttons. Depending on your specific firmware version, their primary behaviors generally follow this layout:
Flashing is simply the process of updating the internal software (firmware) of your ATS-20. Think of it as updating the operating system on your phone. It unlocks new features, improves performance, and changes the user interface.
522 kHz – 1620 kHz (9 kHz steps) or 520 kHz – 1710 kHz (10 kHz steps) LW (Long Wave) Range: 153 kHz – 513 kHz Understanding the physical layout is your first step
Allows you to roll back the receiver's sensitivity manually to clarify strong, overloaded signals. Improving the Antenna System
Adjusts the audio filter width to cut adjacent channel interference. Step-by-Step Operations Powering On and Basic Tuning
to maximize efficiency across various frequencies.