✕ 9

Save Recall Delete Export Import

✕

Left drag spectrum	Pan frequency
Right drag spectrum	Tune frequency
Left click spectrum	Tune to click frequency
Drag passband bar	Retune frequency
Click DX callsign	Tune to spot frequency
Mouse wheel	Tune frequency by step
Ctrl + wheel	Zoom in / out

F	Toggle fullscreen (always)
Space	Pause / resume spectrum
C	Toggle color scheme
M	Toggle Max Hold
A	Autoscale
Z	Center spectrum on tuned frequency
I / O	Zoom in / out
S / W	Increase / decrease spectrum height
+ / −	Increase / decrease averaging
↑ / ↓	Baseline up / down
← / →	Tune frequency by selected step (always)
← / → (fullscreen)	Range decrease / increase

■ Cyan	CW
■ Yellow	SSB
■ Magenta	FT8 / FT4
■ Orange	RTTY
■ Grey	Other