: It is highly recommended to turn the radio off and recharge once the battery hits 10% . Draining it completely can cause power-cycling issues that may stress the internal Arduino Nano controller.
| Menu Item | Factory Manual Says | Better Translation | Your Setting | | :--- | :--- | :--- | :--- | | | "Select band" | Sets the tuning step size (how fast the dial moves). | 1 kHz for Shortwave. 9 kHz for AM broadcast. | | SQ TH | "Squelch threshold" | Silences the hiss between stations. | Set to 2 or 3 . Higher numbers cut out weak stations. | | RF GAIN | "Gain" | Volume for the antenna. Too high = distortion. | ``AUTO usually works, but 20-30 dB manually is cleaner. | | **SSB** | "Single Side" | Enables Ham radio listening. | ** SSB ON ** (This changes everything). | | **BFO** | "Beat Freq Osc" | Fine-tunes the pitch of SSB voices. | Start at 0`, adjust up/down until voices sound human. | ats20 radio manual better
ATS-20 (Si4732 DSP Radio Receiver) Version: 2.0 – Improved Edition : It is highly recommended to turn the