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| | | 4 Display EJsIZe| by pressing Set the horizontal size of the teaching window. | | |
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| | | ) Every pressing Njj^ will decrease the horizontal size. | | |
| | | (T) Every pressing will increase the horizontal size. | | |
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| | | Colors within a narrower area can be correctly recognized by reducing the size of the teaching window. | | |
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| | | 5 | | Display ^MOVE| by pressing @. Set the horizontal position of the teaching window. | | |
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| | | (T) Every pressing will move the position to the right. | | Every pressing will move the position to the left. | | |
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| | | 16 | | |
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