When rolled, the wheel scrolls whatever portion of the screen that the cursor is sitting on.
It is impossible to use the device, for example, simply by touching the backlit portion of the screen and the buttons on the side.
And the small right button can be used to magnify a portion of the screen — ideal for reading the fine print in those user agreements.
Tino Martinez added his version of the odd incident and Chuck Knoblauch pointed to a sagging portion of the screen to show Jeter where the fan had landed.
On his stream, a portion of the screen shows what he's seeing on his computer, while another, smaller portion shows him looking at his monitor and giving commentary.
"Mobile ads are relegated to a tiny portion of the screen and are often invisible or ignored by consumers," Mr. Himmelsbach says.
In Mac OS X, is it possible to take a screenshot of just a portion of the screen rather than the whole thing? A. Mac OS X gives you a few options for taking screenshots.
For example, most machines running Windows 98 or later versions come with the Microsoft Magnifier program, which can enlarge a portion of the screen and also change the colors within the magnified area for better contrast and viewing.
Although the machines cannot be used for live television, they do allow for a text "crawl" across the bottom portion of the screen, so real-time information can be transmitted from the television department's control room.
Download the software and you can post comments in a small text box that obscures a portion of the screen.
This is already being done manually by television networks when they promote other shows or Web sites on the lower portion of the screen.
