Ats-20 Radio Manual !!top!! Jun 2026
Ensure the BFO settings are adjusted properly for SSB, as it can sound low/weak by default.
| Button | Short Press | Long Press (2 sec) | | :--- | :--- | :--- | | | Turn on/off (standby) | Enter VFO (Variable Frequency Oscillator) mode | | BAND/VM | Change band (AM/FM/SW/LW) | Enter VM (Variable Memory) / Memory recall | | STEP/AGC | Change tuning step (1kHz, 5kHz, 10kHz) | Toggle AGC (Automatic Gain Control) on/off | | Filter/Mode | Change bandwidth (e.g., 6kHz, 4kHz, 2.2kHz) | Switch receive mode (AM/LSB/USB) | | Volume/Squelch | Adjust volume (0-63) | Adjust squelch level | | Encoder (Knob) | Tune frequency | Fast tune (10x step) | ats-20 radio manual
Because these devices are manufactured by various Chinese OEM brands (like C.Crane, Hanfong, or unbranded), official documentation is often sparse. This guide covers the hardware architecture, menu navigation, hidden features, and troubleshooting based on the standard SI4735/DSP chipset architecture used in these units. Ensure the BFO settings are adjusted properly for
