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Chapter IV. The TWAIN Interface

manners is to scan one and a half to two-times the

amount of the line screen. Laser printers that have

resolution ranges of 300 and 600 dpi will have line

screens between 50 and 100. Typical commercial

printing is done at an average line screen of about

150. Therefore, an optimal scanning resolution

would be from 225 to 300 dpi.

Содержание VividPro II

Страница 1: ...or without the Transparency Adapter All trademarks and brand names mentioned in this publication are property of their respective owners 1999 All rights reserved No portion of this document may be rep...

Страница 2: ...9 OPERATING THE SCANNER 10 Testing the Scanner 11 Testing the Printer 13 THE SCANNER UTILITY PROGRAM 14 Introduction 15 Parallel Port I O Address 15 Physical Connection 16 BIOS Settings 16 Changing Po...

Страница 3: ...GI PHOTO SUITE SE 60 Opening the Program 60 Acquiring an Image from the Scanner 60 Basic Image Adjustments 61 Using Editing Tools 61 Saving Images 61 Printing Images 62 Scanning Tip Monitor Gamma 62 A...

Страница 4: ...Please remember to register your scanner Registration may be completed in one of three ways 1 Online via Genius s website 2 By online registration card to Genius s customer service center 3 By printi...

Страница 5: ...r installing the scanners software please read through Chapter III to learn how to use the scanners TWAIN interface The TWAIN scanning standard is the most widely used technology in the scanner indust...

Страница 6: ...ble Document Cover Computer Requirements Windows Intel Compatible Personal Computer Pentium CPU or above CD ROM Drive 16 MB RAM 32 MB Recommended 100 Free Hard Disk Space 250 MB Recommended Enhanced P...

Страница 7: ...Introduction vi The scanner illustration s may appear different than from the actual scanner itself 2 3 4 5 1...

Страница 8: ...1 Chapter I Hardware Installation...

Страница 9: ...uickly as scanners costing hundreds of dollars more do by using interface cards This scanner can work using other Parallel Port Modes however if your computers parallel printer port does not support E...

Страница 10: ...canner see Figure 1 Step 1 5 Eliminate any ESD Electro Static Discharge from the scanner cable by touching its metal connector to any metal portion of your computer 6 Plug the SCANNER CABLE into the s...

Страница 11: ...r adapter into a standard AC outlet Attention To conserve energy the scanners light source will not turn on until it is initialized after the software installation 10 Plug in all power cords and turn...

Страница 12: ...into the pass through port on the scanner which plugs into the computer This is called a daisy chain Your printer and scanner will now share the same port and the same cabling Because of this you wil...

Страница 13: ...6 Chapter II Software Setup...

Страница 14: ...ed INSTALL EXE on the installation CD ROM must be run from within Microsoft Windows Once Windows is running on your system please follow the steps below to properly install the software 1 Insert the i...

Страница 15: ...you intend to use different programs to directly receive images from your scanner choose the scanning source within the software setup as TWAIN and select the appropriate TWAIN source as your scanner...

Страница 16: ...9 Chapter III Usage and Maintenance...

Страница 17: ...done from an image editing program where you can view edit save and output the scanned images An image editing program has been bundled with your scanner on the installation CD ROM and if you do not...

Страница 18: ...and your printer Before testing your scanner double check and make sure that all connections are securely fastened To properly test your scanner please perform the following steps 1 Exit all open app...

Страница 19: ...ScanManager program Then click on the image editing icon third from the left For Windows 3 x users Go to the scanners Program Group and open the appropriate image editing software e g MGI Photo Suite...

Страница 20: ...ur printer is being shown in the box towards the top of the window 6 If not click on the down arrow to the right of the box and choose your printer from the list shown 7 Click on the large green Start...

Страница 21: ...Ports or Modes settings The settings in the Scanner Utility program do NOT affect the quality of scanned images They are only used to establish a connection with the scanner Settings that affect the s...

Страница 22: ...scanner to the printer Since the scanner and printer share the same port and thus the same I O Address and Mode some confusion in the signal may result The Scanner Utility s Parallel Port I O Setting...

Страница 23: ...ake sure to shut down and turn off your computer before plugging it in BIOS Settings The Parallel Port Address for the scanner MUST match the Parallel Port Address in the BIOS Setup Thus the next thin...

Страница 24: ...setting as the one defined in your BIOS 4 Click on the VERIFY button to test the new setting Parallel Port Mode If you are having trouble with your scanner connection you may need to change the Parall...

Страница 25: ...go to the Input Output I O Ports settings Locate the setting for Parallel Port Mode Preferred Parallel Port Modes for the Scanner best is first 1 EPP 2 ECP EPP 3 Bi directional 4 SPP or normal standar...

Страница 26: ...x and choose the same Mode as that defined in your BIOS from the list provided Click on the Verify button to test the new Mode setting It is still possible for the scanner to work if the BIOS and Scan...

Страница 27: ...t in temperatures between 10 C to 40 C 50 F to 104 F Removing the Document Cover The document cover has been designed for easy removal so that larger 3 dimensional items can be placed on the scanner g...

Страница 28: ...g is for slides The holder with the smaller opening is for photo negatives The frame holders guarantee the correct position of the slide or filmstrip while being scanned To prevent misplacing this imp...

Страница 29: ...older onto the scanner glass There are two notches in the frame of the scanner surrounding the scanner glass The two protrusions on the frame holder should be fit into the notches When this is done th...

Страница 30: ...Make sure you adjust the SOURCE in the TWAIN window to the appropriate TRANSPARENCY or NEGATIVE setting see the TWAIN section of this manual for more detailed information about scanner settings Since...

Страница 31: ...24 Chapter IV The TWAIN Interface...

Страница 32: ...the TWAIN interface see Figure 8 which automatically opens when you click SCAN or ACQUIRE from within a TWAIN compatible scanning program or image editing application The TWAIN interface allows you t...

Страница 33: ...line information about the use and function of specific items you can refer to the on line TWAIN Help by clicking on the Help button towards the bottom of the window Scan Area Coordinates Scan Area Di...

Страница 34: ...plications for Windows 95 98 Windows NT4 0 WorkStation and 16 bit scanning applications for Windows 3 1x However if you are using a 16 bit scanning application inside Windows 95 98 Windows NT4 0 WorkS...

Страница 35: ...dow Color Photo scans in millions of colors for photorealism but may take a while to do depending on the resolution and uses up a lot more memory Choose this mode when scanning color pictures or graph...

Страница 36: ...s being scanned Raising the brightness by sliding the button located between the arrows increases the amount of white in an image making it appear more washed out Lowering the brightness may help scan...

Страница 37: ...ture will not show up on the prescanned image but will only affect the final scanned image Normal images must be flipped using an image editing application Rotate 90 Clockwise This option will only ap...

Страница 38: ...ed there Prescanning images is very useful as it gives you an idea of how a document or image will look after it is scanned You can use the Magnifying Glass to zoom the view of the prescanned image by...

Страница 39: ...he Scan Area Border box will change the cursor as shown to the left and allows you to move the entire frame by dragging the mouse Resize Cursor Placing the mouse pointer at the EDGE of any side of the...

Страница 40: ...the Prescan Area in the middle of the TWAIN window This allows you to modify the scan area for smaller images such as photographs and gives you a rough idea of what the scanned image will look like be...

Страница 41: ...mages Scan Area Dimension shows the exact width and height of the Scan Area Border This is useful for precise scanning of smaller images For example if the width value equals 4 95 when scanning 3x5 in...

Страница 42: ...will be enlarged later Tips for reducing the image size Change the scan mode Text mode uses less memory than B W Photo mode which uses less than RGB color Reduce the resolution It is rarely necessary...

Страница 43: ...on one of the tabs will show that Advanced window Click on the Help button at the bottom right of the window to view the on line TWAIN help for more explanations of features while you are using the p...

Страница 44: ...ctly the same as the settings in the image editing application you will use to view and edit the scanned image There are different situations that might affect your ability to correctly view images Li...

Страница 45: ...does this by increasing the difference between color tones Auto Density defines the lightest and darkest pixels in each channel as white and black and then redistributes the intermediate pixel values...

Страница 46: ...h of an image and averages adjacent pixels to make images appear softer Blur Lets you dull the edges within an image and decreases the contrast by making dark edges lighter and light edges darker Blur...

Страница 47: ...a Advanced Windows for Color Correction The Advanced window has 3 other tabs Histogram Tone Map and Gamma used for the TWAIN color correction options These items are intended for users who are familia...

Страница 48: ...tivates it in the graph in the center of the window Note Changes made to the individual color channels will be added on top of changes made to the Master channel Histogram Histogram figure 14 is a rep...

Страница 49: ...of the tonal distribution the brightness and darkness levels in an image It plots the number of pixels dots at each brightness level The histogram displays these levels in the 4 color channels The x...

Страница 50: ...aining combinations of that color i e Yellow contains Green and Blue and would thus also be affected by changes to one of these channels The midtone is used to adjust the mid range of color values Rai...

Страница 51: ...ginal brightness values of the pixels input levels the y axis represents the new brightness values output levels The diagonal line that appears by default shows the current relationship between the in...

Страница 52: ...tton on the graph as mentioned above remaps the color values to the numbers shown in the In and Out boxes All other color tones will also be remapped to create a smooth curve in order to keep the colo...

Страница 53: ...d into the computer Gamma values follow a smooth curve as seen below in Figure 16 By adjusting the gamma you can change the tonal range of the selected color channel Gamma values are primarily a measu...

Страница 54: ...For e mailing color photos or pasting images on websites a resolution of 75 dpi is the best choice This is because the actual viewable resolution of the average monitor is 72 dpi Printing to Ink Jet P...

Страница 55: ...the amount of the line screen Laser printers that have resolution ranges of 300 and 600 dpi will have line screens between 50 and 100 Typical commercial printing is done at an average line screen of...

Страница 56: ...49 Chapter V The Scanner Software...

Страница 57: ...anager the program Figure 17 ScanManager Figure 17 shows the 3 buttons that comprise ScanManager when the bundled software is installed with the scanner software Clicking with the Left Mouse Button LM...

Страница 58: ...ption will appear if your scanner has a button on it When this option is checked by clicking on it the last ScanManager program that you used will automatically be run when you press the scanner butto...

Страница 59: ...he output will look like For these and other advanced features you should use the image editor to scan and print the document or image The Copy Utility was designed to operate much like a normal offic...

Страница 60: ...ocument or image into the scanner 2 Open ScanManager 3 Click on the Copy Utility button 4 Make sure the printer you wish to use is being displayed in the box at the top of the Copy Utility window that...

Страница 61: ...ady to be selected by clicking on the down arrow to the right of the box SETUP PRINTER is a button is located to the right of the select printer box The options appearing in the Printer Setup window w...

Страница 62: ...ng images are truly impressive This mode should only be used with color printers B W Photo Mode The black and white photo mode scans images in black and white and can simulate 256 different shades of...

Страница 63: ...not give you a preview of what the output will look like For these advanced features you should use the image editor to scan and fax the document or image The Fax Utility was designed to operate much...

Страница 64: ...sent to your fax software for addressing Fax Utility Settings SELECT FAX SOFTWARE allows you to select between different fax software that may be installed on your computer The Fax Utility sends the...

Страница 65: ...xt It is very important that you always choose the appropriate scan mode for the type of document you are scanning and faxing Choose B W Photo Mode if the document you wish to scan and fax contains bo...

Страница 66: ...ax Thus if you are faxing two pages the first page containing all text for example and the second page containing all pictures be sure to choose the B W Photo Mode Hint The Fax Utility is only for sen...

Страница 67: ...mage from the Scanner When you left click on the image editor button in the ScanManager window the TWAIN program will automatically be launched If you wish to scan another image 1 Under the FILE menu...

Страница 68: ...rly use your image editing tools Saving Images To save an image in a format dependent upon your needs please perform the following steps 1 Click SAVE AS from the file menu 2 Select the file type e g t...

Страница 69: ...as it compresses the file size PPF Micrografx PhotoMagic native format TIF Tagged Image File Format is similar to EPS format listed above and is commonly used and supported TIFF differs from EPS in t...

Страница 70: ...When finished click OK to exit Note The steps for adjusting your monitor gamma may vary dependent on the application For Additional Help Under the HELP menu click HELP This directory lists complete i...

Страница 71: ...not set to show more than 256 colors Solution We recommend that you set your video mode to 16 bits per pixel 65536 colors or higher Please consult your video card computer or Windows 95 98 Windows NT4...

Страница 72: ...to certain types of documents fonts and formats You might be trying to scan a form spread sheet a hand written letter or a document with color text or color page Solution 2 Scan a clean document that...

Страница 73: ...ct TWAIN and you will see your scanner listed e g 600P 32 bit TWAIN source Symptom Unable to save to a floppy diskette Cause 1 The floppy disk might be write protected Solution 1 Move the write protec...

Страница 74: ...erent imaging programs use different Monitor Gamma settings Solution Change the Monitor Gamma settings in either of the programs so that they match Please consult the help files for each program to fi...

Страница 75: ...m The image that I sent through email looks good in my computer but it looks dark in the recipient computer Solution The Monitor gamma settings should be approximately the same in your and the recipie...

Страница 76: ...ot have enough space available to process the image Solution 1 Make some space available in the hard disk drive by deleting any programs or files that you do not need Cause 2 Your hard disk drive migh...

Страница 77: ...tion 3 Use a Bi directional printer cable that is 6 feet long or shorter Cause 4 The scanner cable might have been changed Solution 4 If you move your scanner to another computer make sure that you us...

Страница 78: ...ever edited this file before make a backup copy of the SYSTEM INI file Cause 9 Your printer might be conflicting with the scanner Solution 9 Disconnect the printer from the back of the scanner and try...

Страница 79: ...ort mode to SPP Solution 3 If the problem persists please contact our service department Symptom The ScanManager will not restore Cause This problem occurs if the computer is turned off while the Scan...

Страница 80: ...d the mouse locked after the scanner was installed Cause There is an I O Input Output address conflict Solution Change the Parallel Port Address in your computer BIOS 3BCh is recommended Consult your...

Страница 81: ...isplayed when opening MGI Photo Suite SE Cause The PCDLIB32 DLL file is corrupted or it needs to be updated Solution Download the new MOXBM10 DLL or Micrografx1 EXE from our Web site Printing Problems...

Страница 82: ...r to another computer make sure that you use the cable that came with your scanner Cause 5 The Printer Port mode in the BIOS might not be set up properly Solution 5 Change the Parallel Port mode in yo...

Страница 83: ...find out if a pass through device is recommended Common How to Questions Symptom How do I save the scanned image in JPG format Solution In the Image editor click on FILE Click on SAVE AS Select the fo...

Страница 84: ...estions Symptom How do I put my scanned image in my Word Processor Solution 1 Find out what formats are supported by your Word Processor 2 Save in a format supported by your Word Processor 3 Depending...

Страница 85: ...rocessor Symptom I do not how to send a scanned image using my email program Solution Save your scanned image in a format that is supported by your email program JPG GIF or PNG are recommended Consult...

Страница 86: ...e calling Scanner name and model number Scanner serial number located at rear of scanner near port connectors A detailed description of the problem Your computer manufacturer and its model number The...

Страница 87: ...is product is an optional feature this Limited Warranty applies only when the feature is used in a machine for which it was designed If you have any questions about your Limited Warranty contact Geniu...

Страница 88: ...aration between the equipment and receiver Connect the equipment to an outlet on a circuit different from that which the receiver is connected Shielded interconnect cables and shielded power cord whic...

Страница 89: ...ontrast 34 Copy Utility 60 Copy Utility Settings 65 Cover 23 customer support 96 D Danger vii Descreen 46 Detailed Prescan 48 E ECP EPP 21 Enhanced Parallel Port vi 2 EPP vi 2 21 22 Equalized Colors 4...

Страница 90: ...Tips 57 SELECT FAX SOFTWARE69 SELECT PRINTER 65 SETUP FAX 70 SETUP PRINTER 65 Sharpen 47 Software 7 59 Source 31 SPP 21 Status Bar 39 T Testing 12 15 Text 32 Text Mode 67 71 The Copy Utility 62 The F...

Страница 91: ...bH Hans Bockler Str 62 D 40764 Langenfeld Germany Tel 49 2173 9743 0 Fax 49 2173 9743 17 Hotline 49 2173 9743 21 Web site http www genius kye de KYE Systems UK Ltd Unit 1 Vulcan House Restmor Way Wall...

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