Ats-20 Radio Manual Access

Power On/Off   → Volume knob click
Band Cycle     → B button
Fine Tuning    → M button (toggle step)
Save Preset    → Long press S → choose slot → short S
Recall Preset  → Short S → rotate knob → short S
Menu           → Hold Light button → rotate knob → S to save
Charge         → USB-C 5V/1A only (red=charging, green=full)

Note: This manual is community-sourced. No official manual exists from the manufacturer. For firmware updates (if applicable), check radioreference.com or GitHub for “ATS-20 Si4732.”

If you bought an "ATS-20" from AliExpress, eBay, or Amazon, verify which chip you have:

How to check: Turn off the radio. Remove the battery. Look at the main chip through the battery compartment. It should say "Si4732-A10." ats-20 radio manual

| Control | Function | |---------|----------| | Volume Knob | Power & volume (rotate) | | Tuning Knob | Change frequency / navigate menu | | Band Button (B) | Cycle: FM → SW → MW → LW | | Mode Button (M) | Switch tuning steps (fine/coarse) | | Memory/Set Button (S) | Save/recall presets (long press to save) | | Light/Display Button | Backlight on/off (hold for menu) |

This unit supports Single Side Band (SSB), essential for Ham Radio and Utility stations. Power On/Off → Volume knob click Band Cycle

Before diving into the button sequences, let's identify which model you have.

What’s in the box (usually):

First Impression: The ATS-20 feels premium. The rotary encoder (knob) is the primary control. It has a bright 1.8-inch or 2.0-inch TFT color display. Do not lose the tiny reset button pinhole—you will need it.

The rotary encoder serves two functions: Note: This manual is community-sourced