Ats-20 Radio - Manual

: A critical toggle for preventing strong signals from overloading the sensitive Si4732 chip. Step Selection : Allows you to jump between frequency increments of The "Interesting" Twist: Manual as a Living Document

Press the Step button to change the tuning increment (e.g., 1kHz, 5kHz, 10kHz).

| Control | Function | |---------|----------| | | Tune frequency (clockwise = up, anticlockwise = down) | | Push‑button on encoder | Often used to switch between coarse and fine tuning steps, or to toggle BFO when in SSB mode | | BAND+ / BAND− | Cycle through the pre‑configured frequency bands | | VOL+ / VOL− | Adjust audio volume | | On/Off button | Long press to power on/off; short press may mute the audio | ats-20 radio manual

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)

Depending on the seller, you may receive: : A critical toggle for preventing strong signals

Used for changing frequencies, adjusting volume, and scrolling through menus. It also functions as a button when pressed.

Long press to turn the device on or off. Short press acts as a mute function on some firmware versions. It also functions as a button when pressed

If you need help resolving a specific issue with your radio, let me know:

: If the settings become unstable, turn the device on while holding down the encoder button . The screen should display EEPROM RESET 4. Troubleshooting & Performance Audio Quality

Short press to enter volume mode (use encoder to adjust). STEP: Adjust tuning steps (

The exact labelling of buttons may vary between different ATS‑20 versions. However, most units have a rotary encoder for tuning and a set of small push‑buttons for band and volume.