To select a Window Width / Window Center preset:
1. In the top left corner of the image pane, click the kebab icon (three vertical dots).
2. In the menu that opens, select WW/WC presets.
3. When you select a preset, it will be applied to the active viewport. The window width and window center values are displayed in Hounsfield units in the lower right corner of the viewport.
4. Ctrl+click a preset will apply it to all viewports. Relative Hounsfield values will be applied to all viewports. To cancel the apply all use "Reset View" tool.
Available Presets
Head and neck
Brain: 80/40
Subdural: 210/100
Stroke: 40/40
Temporal bones: 2800/600
Soft tissues: 375/40
Chest
Lungs: 1500/600
Mediastinum: 350/50
Abdomen
Soft tissues: 400/50
Liver: 150/30
Spine
Soft tissues: 250/50
Bone: 1800/400