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 | Image acquisition screen | 
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| 6. | Scan Mode: | Select [Spread] (scanning both pages), [Single] (scanning | 
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 | either right or left page only), or [Book Split] (scanning right | 
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 | and left pages separately). | 
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 | Refer to “7. Page key” on page  | 
| 7. | Output: | Selects the mode (Text or Photo). | 
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 | Add a grayscale memory (option). | 
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 | Selection is available from among 4 choices: Binary (Text), | 
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 | Binary (Photo), Grayscale (Text) and Grayscale (Photo). | 
| 8. | Brightness: | Select [Auto] or [Manual]. | 
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 | Brightness is adjusted manually when [Manual] is selected. | 
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 | Brightness is adjusted automatically according to the | 
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 | original when [Auto] is selected, however, further fine | 
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 | adjustment is also available. | 
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 | Refer to “Adjusting exposure for scanning” on page  | 
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 | details. | 
| 9. | Scan buttons: | These are the same as the start buttons on the Scanner. | 
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 | Click the [Spread Scan] button to read both pages of the | 
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 | book on the table. This button is effective when Scan Mode | 
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 | is set to [Spread] or [Book Split]. | 
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 | Click the [Right Scan] or [Left Scan] to read only right or | 
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 | left page of the book on the table. This button is effective | 
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 | only when Scan Mode is set to [Single]. | 
| 10. | Book / Sheet: | Set the type (shape) of the original. | 
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 | When [Sheet] is selected, the height of the original can be | 
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 | adjusted. | 
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 | Refer to “Book/Sheet modes” on page  | 
| 11. | Frame Masking: | Objects outside the original are erased to prevent a | 
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 | shadowed (black) frame being created in the image, i.e. | 
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 | when the paper selection is larger than the original. | 
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 | Refer to “Frame Masking (Masking)” on page  | 
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 | details. | 
| 12. | Finger Masking: | The image of the fingers holding the original is removed | 
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 | from the scanned image. This function is effective when | 
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 | [Frame Masking] is selected. | 
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 | Refer to “Finger Masking (Fing Mask)” on page  | 
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 | details. | 
| 13. | Centering: | Any shift away from the center of the original is corrected | 
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 | and the scanned image is placed in the center of the screen. | 
This function is effective when [Frame Masking] is selected.
Refer to “Centering (Centerin)” on page 
PS7000 Twain Driver Chapter 3
