User manual AVISION AV100C

[. . . ] AV100C Color Image Scanner User's Manual Version 1. 0 (Doc. 1996 ii Trademarks Microsoft is a U. S. registered trademark of Microsoft Corporation. Windows and MS-DOS are trademarks of Microsoft Corporation. IBM, PC, AT, XT are registered trademarks of International Business Machines Corp. Other brands and product names herein are trademarks or registered trademarks of their respective holders. Copyright All rights reserved. [. . . ] In that case, you will need to select AV100C as the source again before you can reuse the AV100C scanner. Place the image to be scanned face down on the scanner. AV100C TWAIN user interface will pop up on the screen. Click on the Preview or Scan button to get the image. 2. 3. 7. 4-1 AV100C TWAIN user interface: 4-2 4-1 Image Type As shown below, you can select the mode you want to use with your document or image. Just click on the corresponding button. Line art Error Diffusion Halftone Gray Scale Color Line art Line art includes only black and white areas. There are no intermediate shades of gray in between. Error Diffusion While taking up but a minimum storage space, error diffusion gives good image texture and excellent image details. Halftone Halftone simulates different shades of gray by varying the threshold value of a matrix. Gray (256 levels gray scale) Scanner recognizes each point in themage as a i shade of gray (continuous tone). 8-bit gray gives more detailed information about the image. True Color (16. 7 million colors) Color image has continuous tones along with its color hues. 4-3 4-2 Scanning Parameters & Image Control Resolution Control Brightness Adjustment Contrast Adjustment Resolution: The number of dpi (dots per inch) that AV100C uses for a scan. Brightness: Adjusts the lightness or darkness of an image. The higher the value, the brighter the image. Contrast: Adjusts the range between the darkest and the lightest shades in the image. The higher the contrast, the bigger the different gray scales. 4-4 Auto Level Auto Area Descreen Color Match Reset Invert Calibration Quality Mode Speed Mode Pixel/Inch/Cm Set Gamma Image Information Auto Level: Optimizes the scanned image. Auto Area: Automatically sets the whole document as the scan area, no matter what its size. Descreen: Eliminates the Moire patterns commonly found in printed matter. Before descreen 4-5 After descreen Color Match:Adjusts the color quality of the image so that it comes close to that of the original. This function uses default parameters to adjust the image. Reset: Invert: Resets the scanning parameters you set. The invert command reverses the brightness and the color in the image. For color images, each pixel will be changed into its complementary color at the command of Invert. Calibration: Defines "whiteness" for the scanner. [. . . ] Question: Why some parallel port devices and software's keypro do not work with the AV100C scanner?Answer: The AV100C scanner can do pass-through printing all right, but not otherwise. As such, if you would like to connect some parallel port devices other than printer, please do not connect them to the same parallel port that AV100C currently uses. you use other parallel ports to connect these devices orkeypro. [. . . ]