Function key is "can not use" one of the keys, its main function is "Expand the selection range", that is, in addition to using the mouse to drag the way, with the key will let you select the article designated paragraphs, chapters more handy.
When you move the mouse over the article, you can use the key to perform different selection actions:
1. Click the key: Set the starting point for the selected paragraph. 2. Press two consecutive keys: Select a word.
3. Press three consecutive keys: Select a string of sentences.
4. Press the key continuously: select a paragraph.
5. Press five consecutive keys: Select All.
If you want to get out of ext mode, just click the key on the top left of the keyboard. Below we come to the actual operation, to cross-page selection of paragraphs for example, we will generally hold down the left mouse button, directly down the selection, but often inadvertently will go beyond the scope of the article, using this technique allows you to select more accurate:
1. First move the mouse to the starting point of the selection.
Click the left mouse button at the beginning of the range you want to select.
Press the key. The words "EXT" are displayed below the window.
2. Then specify the end of the paragraph, you can select the entire paragraph of the text.
At the end of the place to click the left mouse button, the entire paragraph will be reversed white display, you can perform replication, cut and other actions.
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