Ats20 Radio Manual Better -
You do not need to scroll from 3 MHz to 14 MHz manually.
Beware: many low-cost ATS-20 units come with a poorly translated or incomplete manual. For the best experience:
The ATS20 is unique because it decodes SSB via the Si4732 chip. The stock manual mentions this in one sentence and never explains why you need it. ats20 radio manual better
Why SSB matters:
How to listen to Ham radio (The better method): You do not need to scroll from 3 MHz to 14 MHz manually
Pro tip: The ATS20 has a "fine tuning" step. Short press the knob to switch between coarse (fast) and fine (slow) tuning. You need FINE mode for SSB.
The ATS-20 often runs open-source firmware (e.g., si4735_Arduino). To upgrade: How to listen to Ham radio (The better method):
Modifying firmware voids warranty but enables extra features (e.g., RDS, spectrum scope).
Since the manufacturer won't give you a "better manual," save this text file to your phone or print it out.
| Function | Button Combo | | :--- | :--- | | Power On/Off | Long press Encoder (2 seconds) | | Toggle Mute | Short press Encoder (in main screen) | | Band Up/Down | Band +/- buttons | | Fast Tuning (x10) | Hold Band Up + Rotate Encoder | | Set SSB Sideband | Menu -> SSB -> USB/LSB | | Adjust SSB Pitch | Menu -> BFO (do not touch main knob) | | Save Memory | Hold Band Up (3 sec) | | Recall Memory | Tap Band Down | | Lock Keypad | Hold Band Down (3 sec) | | Reset to Factory | Off -> Hold "Band Up" + "Band Down" -> Power On |
