Happy DXing!
: In USB or LSB mode, press the encoder or dedicated BFO button to enter regulation mode, allowing you to fine-tune the voice clarity (fixing the "Donald Duck" effect). ats20 radio manual better
If you are tech-savvy, flashing the latest firmware via the USB port is the single best way to make the ATS-20 feel like a premium piece of gear. Summary Table: Quick Reference How to Optimize Click the knob to change steps Faster navigation SSB Voice Adjust BFO increments Clearer Ham radio audio Interference Lower the Bandwidth (BW) Less background noise Reception Attach a "Long Wire" antenna Worldwide signal reach Happy DXing
Thank you for purchasing the ATS-20. This compact, software-defined radio (SDR) receiver is based on the Silicon Labs Si4732 DSP chip. It offers wide frequency coverage, multiple modulation modes, and high sensitivity in a portable form factor. Summary Table: Quick Reference How to Optimize Click
You do not need to scroll from 3 MHz to 14 MHz manually.
: On the side or rear, ensure the switch is set correctly for your mode (e.g., toggle to "AM/SSB" when listening to shortwave).