Ats20 Firmware Exclusive !!link!! Info

), making it significantly easier to resolve weak SSB ham radio signals compared to the stock 25 Hz increments. Logical BFO Control

| Issue | Likely Cause | Exclusive Fix | | :--- | :--- | :--- | | | LCD driver mismatch (ILI9341 vs ST7735) | Recompile or find a build with "Auto-detect LCD" flag. | | Volume stuck at max | GPIO pin mapping changed | Open the case; temporary fix: remove R18 resistor. | | No SSB (silent) | BFO (Beat Frequency Oscillator) offset drifted | Use the hidden menu: Press Vol knob 2x, tune BFO to 1200 Hz. | | Encoder spins opposite | Phase A/B swapped | Exclusive builds usually allow "Encoder Reverse" in Config menu. | ats20 firmware exclusive

Disassemble the unit to see if it uses an Arduino Nano (soldered as a separate board) or an Arduino Uno (components soldered directly to the main PCB). ), making it significantly easier to resolve weak

as the best available for this device, some users have noted minor audio distortion when the S-meter is active during SSB reception. Installation Notes | | No SSB (silent) | BFO (Beat