Ats-20 Radio Manual __hot__ Jun 2026

Which you are trying to listen to (FM, Shortwave, or Amateur SSB)?

Changes the frequency stepping increment (e.g., 1kHz, 5kHz, 9kHz, 10kHz, 100kHz) for faster or finer tuning. VOL+ / VOL-: Adjusts the audio output levels. 4. Operating Instructions Basic Setup

: Cycles through pre-configured bands: FM, LW, MW, and various SW (Shortwave) segments. VOL+ / VOL- : Adjusts the volume level (typically 0–63). ats-20 radio manual

The OLED display draws notable power. Enter the menu ( B1 ) and enable an automatic screen timeout if your firmware version supports it. Firmware Flashing

Ensure you are using a dedicated 5V/1A charging brick rather than a high-wattage laptop or smartphone fast charger, which can trip the simple internal charging protection circuit. If the cell is completely dead, the chassis can be unscrewed to replace the internal 3.7V 18650 lithium cell. 6. Advanced Tips: Firmware Modification Which you are trying to listen to (FM,

Press B3 or B4 to hop to your desired listening spectrum (e.g., Broadcast FM).

Navigating the interface relies heavily on a combination of the main rotary encoder (the tuning knob) and the front-panel tactile buttons. Front Panel Buttons Cycle through the primary radio bands (FM →right arrow →right arrow →right arrow The OLED display draws notable power

Cycles through the available radio bands (FM -> LW -> MW -> SW bands).

3.5mm headphone jack and a built-in 8-ohm speaker.

Press the button or click the encoder knob to lower the step size to 1 kHz or 0.1 kHz (100 Hz).

Toggle switch to turn the unit completely on or off.