Keyboard Shortcuts
Each slider can be turned into edit box by CMD-click / CTRL-click.
Some scope types can be zoomed in using mouse wheel
Vectorscope & 3D Color Cube zooms in & out,
Waveform, Sat / Lum, Channel Plot zooms into the blacks,
Histogram scales the plot along the Y axis,
Zoom can be reset by middle or double click,
Some scope types show image preview when pressing and holding option/alt key,
Waveform,
Vectorscope,
Channel plot,
Sat / Lum
TAB key toggles the scope tabs and main menu,
option/alt clicking the Source Signal viewer drops a color pin,
Mouse dragging in the Source Signal will draw a mask - hold shift key to make it permanent,
Mouse dragging in the Histogram will make a range selection (depending on the histogram type - luma, saturation, hue),
3D Color Cube can be rotated in 3D by mouse dragging the scope area,