The purpose of this feature is an instant dim of all screens at 100% black except the mouse screen.

How to:

• Connect two or more screens (not mirrored) to the system.
• Open myPoint panel and select Shade view. Click on the "Dim others..." button to open the related settings sheet.
• Select the "Enable 'Dim others' feature" checkbox.
• Remember the "Toggle on" hotkey - default is ⇧⌃⌥⌘ S.
• Test the feature via selecting and deselecting the "On" checkbox.
• Press the "Done" button to close the sheet.

More:

• Only the mouse screen will not dim.
• Three ways to toggle On the "Dim others" feature:
  • Hotkey - default is ⇧⌃⌥⌘ S.
  • "Dim other screens at 100%" row in myPoint menu.
    This is convenient only if the system is Mavericks with a menu bar on each screen, or if the main screen is the final target.
  • The "On" checkbox in preferences panel.
• Four ways to toggle Off the "Dim others" feature:
  • Hotkey - default is ⇧⌃⌥⌘ S.
  • "Dim other screens at 100%" row in myPoint menu.
    Only when myPoint menu is accessible.
  • The "On" checkbox in preferences panel.
    Open myPoint panel via hotkey - default is ⌃⌥⌘ P. The panel will be opened on the unshaded screen. Deselect the "On" checkbox.
  • Toggle the shade off via hotkey - default is ⌃⌥⌘ S.