Ats-20 Radio Manual |best| Guide

Spin the rotary encoder until you hear human speech. It will likely sound high-pitched ("Donald Duck voice") or heavily distorted.

While official paper manuals are often scarce or briefly included, the device follows an intuitive interface: ats-20 radio manual

On some early ATS‑20 units the tuning encoder could be physically mounted too close to the front panel, making the push‑button action unreliable. A small piece of foil inserted into the knob shaft can cure this. Spin the rotary encoder until you hear human speech

Because these devices are manufactured by various Chinese OEM brands (like C.Crane, Hanfong, or unbranded), official documentation is often sparse. This guide covers the hardware architecture, menu navigation, hidden features, and troubleshooting based on the standard SI4735/DSP chipset architecture used in these units. A small piece of foil inserted into the

This is the most important concept to grasp:

If you're looking for additional resources or support, here are a few options:

The ATS-20 covers a massive spectrum of frequencies divided into manageable bands. Pressing the button cycles through these pre-configured ranges: Band Designation Frequency Coverage Default Mode FM 64 MHz – 108 MHz WFM (Wide FM) LW (Long Wave) 150 kHz – 510 kHz MW (Medium Wave / AM Broadcast) 520 kHz – 1720 kHz SW (Shortwave - spans multiple bands) 1.72 MHz – 30.00 MHz Shortwave (SW) Sub-Bands Included: 160M (1.80 MHz – 2.00 MHz) 80M (3.50 MHz – 4.00 MHz) 60M (4.75 MHz – 5.06 MHz) 40M (7.00 MHz – 7.30 MHz) 30M (10.10 MHz – 10.15 MHz) 20M (14.00 MHz – 14.35 MHz) 17M (18.068 MHz – 18.168 MHz) 15M (21.00 MHz – 21.45 MHz) 12M (24.89 MHz – 24.99 MHz) 10M (28.00 MHz – 29.70 MHz) 3. Interface and Button Layout