Ats-20 Radio Manual !free! Jun 2026

| Control | Function | |---------|----------| | | 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) |

: Rotate to change frequencies. Press the knob (on most firmware) to switch between tuning steps (e.g., 1kHz, 5kHz, 10kHz) or to enter specialized modes like ats-20 radio manual

| Problem | Likely Cause | Solution | |---------|--------------|----------| | Won’t turn on | Dead battery / reversed polarity | Charge 4+ hrs; check 18650 orientation | | No FM reception | Antenna not connected (for SMA version) | Attach stub antenna or wire | | Poor shortwave | No external antenna | Add 15–30 ft wire outdoors | | Display flickers | Low battery or USB noise | Charge battery; use battery power | | Menus stuck | Accidental long press | Short press B or cycle power | | Control | Function | |---------|----------| | |

The ATS-20 radio manual also covers advanced features, including: Manual Resources

Features adjustable audio bandwidth filters (0.5, 1, 1.2, 2.2, 3, and 4 kHz) to help isolate weak signals.

: Includes a 3.5mm earphone jack and supports a 4-ohm or 8-ohm speaker. Manual Resources