Pressing the FREQ knob inward cycles through available step sizes (e.g., 1kHz, 5kHz, 9kHz, 10kHz, 100kHz).

filters. This is essential for SSB (Single Side Band) to clear up voice signals and reduce background static. Multi-Mode Support : The device supports FM, AM (MW & SW), and SSB (LSB & USB) Custom Tuning Steps

Avoid operating the radio while it is plugged into a cheap USB wall charger.

Short-press the button until the underline cursor is under the digit you want to change. Rotate the Encoder Knob to scroll through frequencies.