User manual AVISION AV360C

[. . . ] If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: * Reorient or relocate the receiving antenna. * Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. CAUTION: Any changes or modifications not expressly approved by the manufacture of this device could void the user's authority to operate the equipment. iv Table of Contents 1. INTRODUCTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 2. [. . . ] 3. 2 3-2 3. 2 Uninstall the Scanner You can uninstall the scanner by double-clicking on the Uninstall icon stored in the Avision driver group. . . . 3-3 4. Scanner Operation & Document Printing There are two types of application software interface to use with the AV360C scanner. TWAIN is the most popular interface among image-editing application software. If the Select Source menu options are not available from the File menu, see the user guide of your application to learn how the TWAIN link is used. A dialog box appears containing the different TWAIN sources that you can choose for bringing an image into your application. You need to select AV360C for just once except when you have used the dialog box to select a different source. In that case, you will need to select AV360C as the source again before you can reuse the Avision AV360C scanner. 7. 4-1 AV360C 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. 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 the image as a shade of gray (continuous tone). 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 AV360C uses for a scan. 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. 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 ofInvert. Calibration: Defines "whiteness" for the scanner. Users are recommended to calibrate the light source if the scanned image looks undesirable or comes out to be too dark. Quality/Speed Mode: Users can select either mode to perform scanning according to their own need. Select quality mode scanning if your emphasis is on the quality of the scanned image. [. . . ] Or you can add a data switch to avoid the problem. 6-4 6. 2 Technical Service Technical support for Avision scanner is provided at the Avision Technical Assistance Center. Before you contact us, please prepare the following information: * Scanner serial & revision number (located on the bottom of the scanner); * Hardware configuration (e. g. , your host CPU type, RAM size, free disk space, display card, interface card. . . ); * The name and version of your scanning software application; * The version of your scanner driver. #312 Fremont, CA 94539 Tel: 510-440-8785 Fax: 510-440-8337 Web Site: http://users. aimnet. com/ avision ~ E-mail: avision@aimnet. com Other Area: Avision Inc. 20, Creation Road I, Science-Based Industrial Park, Hsin-Chu, Taiwan, R. O. C. [. . . ]