Source Signal
The Source Signal scope displays a live preview of the input video. It doubles as the primary inspection tool — zoom into pixels, read colour values, reveal faint neutral casts with Chroma Boost, overlay zebras and focus peaking, isolate channels, and compare snapshots.
Zoom & Pan
Zoom up to 15× and pan freely across the image — the same controls used in professional image editors.
Mouse wheel
Zoom in/out (centred on cursor)
Space + Left-click drag
Pan the zoomed view
Middle-click
Reset zoom to 1× and centre
A mini-preview thumbnail appears in the top-right corner while zoomed, showing a yellow rectangle for the current viewport. Toggle it with the Show zoom preview setting.
Zoom & Pan is also available in the False Color and Skintone Scope.
Channel Isolation
Solo individual colour channels for quick inspection of noise, spill, or exposure per channel.
RGB
Full colour (default)
Red / Green / Blue
Single channel displayed as grayscale
Luma
Luminosity (Rec. 709 weighted)
When a mask is active, the Draw masks in RGB option forces the mask overlay to display in full colour even when a single channel is soloed.
Color Picker
Hold Alt to activate the colour picker, or enable Always show in settings. Click to place persistent colour pins (up to 30) anywhere on the image.
Alt (hold)
Show colour picker
Click (with picker)
Place a colour pin
Shift + Click
Copy HEX value to clipboard
Ctrl + Click
Add value as a global target
Middle-click or Double-click on pin
Remove pin
Picker formats
RGB 8-bit · RGB 10-bit · RGBY · RGB float · HEX · CMYK · HSV · Nits
Picker options
Source
Input Source, Rescaled Source, or Working Signal
Sampling area
1×1, 3×3, 5×5, 7×7, or 9×9 pixels
Monochromatic
Render picker overlay in grayscale
Show on hover only
Hide the readout until the pointer moves
Data Analyser
A 17×11 pixel grid that shows individual code values around a chosen position. Drag to reposition the analyser area on the image.
Format
8-bit, 10-bit, 12-bit, 32-bit float, Nits, Nits per channel
Source
Input Source, Rescaled Source, or Working Signal
Font size
Small or large
The status bar at the bottom shows the video data type (RGB/YCbCr), format, line number, and sample number.
See also: Data Analyser (QC)
Focus Peaking
Edge-detail overlay that highlights in-focus areas. Requires Live Pack.
Mode
Regular — coloured edges over the image · Edges — enhanced white edges on black · Enhanced Edges — binary white edges on black
Threshold
Edge sensitivity (0–100 %)
Peak colour
Colour used for the Regular mode highlight (default: red)
See also: Focus Peaking (Live Pack)
Chroma Boost
Available in version 1.11.33+.
Chroma Boost is a preview-only inspection aid that amplifies subtle colour differences in low-saturation areas. Use it to spot faint green, magenta, or blue contamination in whites, greys, walls, fabrics, skin-adjacent neutrals, and other nearly neutral surfaces.
Unlike a global saturation control, Chroma Boost is strongest near neutral colours and tapers off as saturation increases, so already colourful parts of the image stay more stable.
Chroma Boost
Enable or disable the inspection mode. Also available from the Source Signal right-click menu.
Amount
Controls how strongly low-saturation colours are amplified. Start low for subtle checks and increase only when needed.
What it affects
Source Signal preview only
Does not modify the source signal
Does not affect scopes, QC measurements, outputs, or recordings
When enabled, the Source Signal tab shows a Chroma Boost status badge so it is easy to see that the viewer is in a temporary inspection mode.
Zebra Overlays
Diagonal stripe patterns warn about overexposure or illegal saturation levels.
Luma zebra
IRE threshold
0 %–110 % (default 100 %). Regions above the threshold show black stripes; sub-black regions show blue stripes.
Saturation zebra
Enable alongside luma zebra for additional saturation warnings:
Saturation above 70 % → yellow stripes
Saturation above 99 % → orange stripes
Safe Area Guides
Built-in overlay guides accessible from the scope settings or right-click menu.
Title Safe / Action Safe
Two concentric rectangles. Default: Title 90 %, Action 95 %. Configurable colour and percentages.
Thirds
Rule-of-thirds grid with configurable colour
Crosshair
Centre crosshair with configurable colour
Custom Overlays
Load PNG images with alpha transparency on top of the Source Signal — safe-area guides, framing references, branding, or composition grids. Select the active overlay in the scope settings or from the Overlays window.
See Overlays for full details on managing overlays.
HSL Range Mask
Isolate a hue/saturation/luminance range on the preview. Pixels outside the range are rendered as black.
Hue
Start/end (0–360°)
Saturation
Start/end (0–100 %)
Luminance
Start/end (0–100 %)
Use Load from mask / Save as mask to sync with the global mask.
Mask Drawing
Click and drag to draw a mask shape directly on the preview.
Ellipse
Draw an elliptical region
Rectangle
Draw a rectangular region
Draw modes: Draw, Paint In, Paint Out. A single line mode isolates a single scan line.
Snapshot Compare
When a snapshot is loaded, compare it against the live signal:
Horizontal wipe
Vertical divider — W + drag to adjust position
Vertical wipe
Horizontal divider — W + drag to adjust position
Opacity blend
W + drag to adjust blend amount
Blanking Alarm
When Blanking Detection is enabled globally, the Source Signal draws coloured bars over detected blanking regions on all four edges, with optional blinking alert (1-second cycle).
Display & Color Management
Brightness
Override global brightness per scope (10–100 %)
Monitor ICC profile
Apply system or custom ICC profile
OCIO colour space
Select input and display colour spaces (requires OCIO config in Preferences)
Rotate
Rotate the frame 90° CW or CCW
Flip / Mirror
Flip or mirror the preview
macOS Quick Presets
Match Resolve Viewer
Rec. 709 preview with tone-mapping
Match NDI Monitor
Unmanaged, no ICC, no tone-mapping
HDR / EDR (macOS)
Enable Display HDR to use Apple EDR output. EDR and HDR badges appear in the top-right corner. Includes PQ (ST.2084) decode with Reinhard extended tone-mapping, luminance white point, and luminance scale controls.
Keyboard Shortcuts
Mouse wheel
Mouse wheel
Zoom in/out
Space + drag
Space + drag
Pan
Middle-click
Middle-click
Reset zoom
Alt (hold)
Alt (hold)
Show colour picker
Shift + Click
Shift + Click
Copy HEX to clipboard
Ctrl + Click
Ctrl + Click
Add as global target
StreamDeck / Action Editor
SourceTogglePeaking
Toggle Focus Peaking
SourceTogglePeakingLuma
Toggle Focus Peaking + switch to Luma
ClearAllPins
Remove all colour pins
ToggleLoupe
Toggle loupe magnifier
Related
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