Click spectrum or waterfall to tune. Scroll to step-tune. Ctrl/Cmd + scroll to zoom span.

SDR Device

Center Frequency (MHz)

Span (MHz)

Gain (dB or AUTO)

FFT Size

Frame Rate

FFT Averaging

PPM Correction

Bias-T (antenna power)

Color Palette

Noise Floor (dB)

Ceiling (dB)

Peak Hold Band Labels Auto Range

Tune with click. Use Monitor in the top strip for audio listen.