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Thanks to some of the navigation enhancements in Photoshop CS4 as well as the introduction of the Adjustments panel we have some fairly significantly revamped keyboard shortcuts inside the new software and those of you who have taken the time to memorize some of these old shortcut, some of which go way way back, are now going have to memorize some new keyboard shortcuts. It's all there is to it. So let me introduce these to you. First of all, we'll start with a keyboard shortcut that hasn't changed. Ctrl+0 or Command+O on the Mac will zoom the image out to the Fit in Window view so that you can see the entire image at a time. AS I say that's the same as it's been, but this is new. If you want to zoom back into 100% view you press Ctrl+1 or Command+1 on the Mac. New. Also new, if you want to switch between open images on the Mac you press Command+Tilde, Tilde being key in the upper left-hand corner of your keyboard.
Now it may seem weird that I'm mentioning Command+Tilde here on the PC but the reason is because that change to the Mac affects both Mac and Windows users alike, because some of you may recall Ctrl+Tilde on the PC or Command+Tilde on the Mac used to take you to the Color Composite view, which would be the RGB composite if you're looking in an RGB image or the CMYK composite for a CMYK image or the LAB composite for a lab image. And you may also recall that Ctrl+1 on the PC or Command+1 on the Mac would take you to the first channel, the red channel or the cyan channel or the lightness channel.
That's all changed. I'm going to go over here to the Channels panel and you'll see that the keyboard shortcuts now begin at Ctrl+2 or Command+2 on a Mac. So here's how it works. If you want switch to the first channel, which is the red channel in an RGB image, you press Ctrl+3 or Command+3 on a Mac. Not Ctrl+one anymore. Now it's Ctrl+3. And for the second channel, which is the green channel here in an RGB image, you press Ctrl+4 on a PC or Command+4 on a Mac and then for the third channel, the blue channel on our case, you press Ctrl+5 or Command+5 on a Mac.
To switch back to the composite view, which is the RGB composite in our case, you press Ctrl+2 or Command+2 on a Mac. To switch to the fourth channel, which in our case is an alpha channel, you press Ctrl+6 for Command+6 on the Mac. If you want to load that channel as a selection outline, you would press Ctrl+Alt+6 or Command+Option+6 on a Mac. That's going to take some time to remember those guys. I'm still working on them, because that's quite a shift from the old days, frankly.
All right, go ahead and deselect the image by pressing Ctrl+D or Command+D on the Mac. That's old, that's an old-school trick. Good! Now I'm going to expand the Adjustments panel, because I want to show you a thing or two here. I'll go ahead and add a Curves adjustment layer and you can see how you can switch between channels when you're working in Curves or Levels or one of those guys. Notice now that you switch between the channels using the Alt key on the PC or the Option key on the Mac along with the new numbers. So for red, it's Alt or Option+3.
For green it's Alt or Option+4. For blue it's Alt or Option+5. And in case you're going, "Why did they do that? Why didn't they just keep Ctrl and Command?" Because that would switch you between the channels here inside the Channel panel. So they needed to use a different modifier key. And then to go back to RGB, it's Alt or Option+2. So as I say that works in Curves, that works inside of Levels as well. Let's go ahead and add a few Curves points right here. I'm going to grab my new Target Adjustment tool, which I love so much, and I'm just going to grab a color here and drag it up or down a little bit. Let's make this one darker actually.
And then I'll click inside the shadows and elevate them, make them a little lighter. Now in the old days you switched the active point by pressing Ctrl+Tab and that worked on both the Mac and the PC. That's no longer working because Ctrl+Tab is going to switch you between open images here. So now all, and this goes for whether you're working inside the Curves dialog box and applying a static adjustment or you're working here inside the Adjustments panel, you press the Plus key to move to the next point. Notice that. Then Plus to move up here or you press the Minus key to activate the previous point like so.
One last keyboard shortcut that I think we can all agree is a real winner. I'm going to go ahead and switch over to the Layers panel here and notice that my Curves 1 layer is active. Now in the old days I could switch over to the Move tool and then I could press the Backspace key or the Delete key to get rid of it. That wouldn't work right now, because right now pressing Backspace or Delete would get rid of this active point here inside of my Curves adjustment. So I'm going to click in this empty area down here at the bottom of the panel in order to deactivate all the points. So I don't end up deleting anything.
And I press the Backspace key or the Delete key in order to delete that active layer. All right, so that's the old way to work. Now, I'll go ahead and press Ctrl+Z, Command+Z on the Mac, to reinstate that layer. Now it doesn't matter which tool is active, so I can switch back to my Rectangular Marquee tool right here. And I can still delete then active layer by pressing Backspace or Delete and I mention that for two reasons. One is, great trick! Two is, it's easy to do it accidentally, right? You can press Backspace or Delete and not mean to delete an active layer and there it goes. So be watchful and of course remember, you can reinstate the deletion of a layer just by pressing Ctrl+Z or Command+Z on the Mac. So there you have it.
Those of you, as I say, who are power users, who really know the software, you've got a few new keyboard shortcuts inside Photoshop CS4.
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