Adobe Photoshop CS4 Keys for using the Channels panel keyboard shortcuts keys

Shortcut                                                                   Command
Optn-click Save Selection As Channel button	Set options for Save Selection As Channel button
Cmnd-click Create New Channel button	Create a new spot channel
Shft-click color channel	Select/deselect multiple color-channel selection
Shft-click alpha channel	Select/deselect alpha channel and show/hide as a rubylith overlay
Double-click alpha or spot channel thumbnail	Display channel options
~ (tilde)	Toggle composite and grayscale mask in Quick Mask mode