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23

similar frequencies. Make adjustments to the histogram only

when the colour balance of your scanned image does not match

the original picture. 

Hint:

 We suggest leaving the histogram set to

AUTO

 when not encountering 

colour depth discrepancies.

                         Figure 6. Histogram

Tone Map

 enables you to modify the tonal range and to

adjust highlight, mid-tone, and shadow areas of an image. For

example: When an image is too dark or too light, it may have

hidden details that can be uncovered by using 

Tone Map

. This

usually improves the contrast of an image. For example, when the

darkest tone is 65% black, you can use the 

Tone Map

 to make it

100% black.

Gamma

 values follow a smooth curve, as seen below in

Figure 7. By adjusting the gamma, you can change the tonal

range of the selected 

Channel

 (colour). Gamma values are

primarily a measure of a channel’s brightness.  The larger the

Содержание V1.2

Страница 1: ...asy to use guide to help you get the most from your scanner All trademarks and brand names mentioned in this publication are property of their respective owners 1997 All rights reserved No portion of this document may be reproduced ...

Страница 2: ... scanner has been thoroughly tested and is backed by our reputation for unsurpassed dependability and customer satisfaction Please remember to fill out and return the provided registra tion card As a registered customer you will receive customer support new product information and software upgrades Thank you for choosing us as your scanner supplier We hope you will continue to turn to us for addit...

Страница 3: ...N 1 HARDWAREREQUIREMENTS 2 INSTALLING THESCANNER S HARDWARE 3 CHAPTER II SOFTWARE SETUP 5 SOFTWAREINSTALLATIONREQUIREMENTS 6 SOFTWAREINSTALLATION 6 SOFTWARESETUP TROUBLESHOOTINGGUIDE 7 INSTALLINGADDITIONALSOFTWARE 7 CHAPTER III USAGE AND MAINTENANCE 9 OPERATING THESCANNER 10 TESTING THE SCANNER 10 SCANNERUTILITY 12 MAINTENANCE 13 CLEANINGYOUR SCANNER 13 REMOVING THE SCANNER S LID 14 CHAPTER IV USI...

Страница 4: ...SCANNINGUSING TWAIN 16 CHOOSINGTWAIN 17 CONTROL PANEL SCAN MODE 17 TWAIN MENU OPTIONS 20 SCANNINGHINTS 26 APPENDIX A TROUBLESHOOTING 27 APPENDIX B CUSTOMER SERVICE 30 APPENDIX C INDEX 32 CONTACT PLUSTEK 36 ...

Страница 5: ...tall the scanner s software We suggest that you do not install the software before installing the hardware After you complete installing the scanner s software test the scanner by following the steps outlined in Chapter III Chapter III describes how to test maintain and clean your scanner Chapter IV describes how to use the TWAIN interface TWAIN is a scanning standard and one of the most widely us...

Страница 6: ...cons This guide uses the following icons to point out information that deserves special attention Danger A procedure that must be followed carefully to prevent injury or accidents Caution Information that if not followed may result in data loss or damage to the product Pay Special Attention Instructions that will ease installation and prevent mistakes Caution Attention Danger ...

Страница 7: ...0 dots per inch 4800 x 4800 software interpolated TWAINCompliance Printer Port Pass Through Connection Enhanced Parallel Port EPP 1 Year Warranty from date of purchase Removable Scanning Lid Computer Requirements Windows Intel Compatible Personal Computer Pentium CPU or Later CD ROM Drive 16 MB RAM 32 MB Recommended 60 MB Free Hard Disk Space 100 MB Recommended Enhanced Parallel Port EPP Windows 3...

Страница 8: ...Scanner engine 2 Power adapter 3 Scanner cable 4 CD ROM a Scanner SetupProgramme b Optical Character Recognition OCR software c Image editing software d This user s guide e Registration forms f OCR image editing guides 1 2 3 4 ...

Страница 9: ...1 Chapter I Hardware Installation ...

Страница 10: ...s an interface called an Enhanced Parallel Port The scanner s EPP interface allows you to scan information into your computer as quickly as scanners costing hundreds of dollars more that use interface cards If your computer s printer port does not support EPP then it is recommended that you purchase an additional parallel port interface card that supports EPP technology to maximize the scanner s p...

Страница 11: ...erals and disconnect all related power cables 2 Please take a moment to study Figure 1 Printer Computer Scanner Step 1 Printer Host Step 2 Power Adapter Figure 1 Connecting the Scanner 3 If you have a printer connected to your computer please disconnect its cable from the rear of the computer If you have more than one printer port connected to you computer then locate the printer port that s the E...

Страница 12: ...rinter cable into the rear of the scanner markedPRINTER see Figure 1 and step 2 7 After plugging the scanner and printer cables into their respective locations plug the power adapter into the scanner s power receptor see Figure 1 and Step 3 8 Plug the power adapter into a standard AC outlet or wall branch Only use the power adapter that is included with your scanner The use of a different power ad...

Страница 13: ...5 Chapter II Software Setup ...

Страница 14: ... disk space Note The 100 megabyte free hard disk space requirement is necessary so the installation will have plenty of room to perform its swapping routines Otherwise you might receive error messages during the installation Software Installation The installationprogramme calledSetup Application CD ROM must be run from within Microsoft Windows Once Windows is running on your system please follow t...

Страница 15: ...ailable for downloading from the Web site Installing Additional Software Your scanner isTWAINcompliant and functions with virtuallyall available TWAIN compatible scanning software When purchasing new software for your scanner please make sure that it conforms to the T WAINstandard Please be sure to select the correct TWAIN source when setting upnewscanning software If you intend to use differentpr...

Страница 16: ...8 ...

Страница 17: ...9 Chapter III Usage and Maintenance ...

Страница 18: ... scan Testing the Scanner Before testingyour scanner double check and make sure that all connections are securely fastened The following test procedure checks to see if the scanner is properly functioning with your computer and the scanning software To properly test your scanner please perform the following steps 1 Exit all open applications and Shut Down your computer 2 After the computer has shu...

Страница 19: ...ner Utility 6 Click on theLamp Controltab located at the bottom of the dialogue box 7 While looking at the scanner click on the Turn on Lamp and Turn off Lamp icons see Figure 3 This test checks to see if the scanner s light source is properly working 8 Slowly close the document cover Document Cover Scanning Window Place a picture at the back of scanner and face down ...

Страница 20: ...test failed in any way please read Appendix A Troubleshootingfor possible solutions Scanner Utility The Scanner Utility located inside the scanner programme group is for determining what printer port your system has The only time you need to verify your system s printer port is if the scanner does not respond when trying to scan To set the amount of time the scanner s light source stays on the fac...

Страница 21: ...n electrical shock If a problem occurs have the scanner serviced by an authorized dealer Do not subject the scanner to excessive vibration It may damage the internal components Your scanner operates best in temperatures between 10 C to 40 C 50 F to 104 F Cleaning Your Scanner Clean the scanner by lightly spraying a nonabrasive glass cleaner on the scanning window Be sure to wipe up all excess liqu...

Страница 22: ...he Scanner s Lid The scanning lid has been designed for easy removal To remove the scanner s lid open the lid until it s perpendicular to the scanner Place your hand firmly at the back of the scanner and lift the lid off its hinges To replace the lid simply snap it back into place ...

Страница 23: ...15 Chapter IV Using TWAIN ...

Страница 24: ...TWAIN compatible scanningprogramme see Figure 4 Figure 4 TWAINDialogue Box The TWAINinterface allows you to make important adjustments before scanning For example you can scan in different modes colour B W orgreyscale increase or decrease the resolution Scan area margin frame position and margin frame size Prescan Window Image Size Menu Items Predefined Settings Margin Selector Zoom Control Colour...

Страница 25: ...itecture and the 32 bit source is for scanning in 32 bit applications Windows 95 native architecture Your scanner comes with 32 bit scanning applications for Windows 95 and 16 bit scanning applications for Windows 3 1x However if you are using a 16 bit scanning application inside Windows 95 you must select the 16 bit TWAIN sourcefor your scanner to properly function The same applies for 32 bit sca...

Страница 26: ...r scanningtext documents created with a laser jet ink jet or bubble jet printer no photographs or other images Figure 5 Scanning Control Panel Greyscale 10 bit captures more than two grey values during scanning When entering documents to your computer that contain photographs or other detailed pictures choose greyscale as the scanning mode RGB Colour 30 bit captures the most information and detail...

Страница 27: ...e the end of this chapter and Scanning Hints Scale Scaleis for adjusting the size of scanned images For example when scanning to an image editing programme like IMAGE IN or Photo Magic you can pre adjust how big or how small the image will look after it enters your system The scale can also depend on what resolution you have your display set at and the scan resolution Brightness and Contrast Brigh...

Страница 28: ...es We strongly suggest that you first become familiar with scanning and using theControl Panel before attempting to use any of the following features Once you become comfortable with how our scanner works and how to create clear images you can begin experimenting with the advance features of the TWAIN dialogue box File Menu Item There are five choices located under the File menu item Please read t...

Страница 29: ...over it so please be cautious Filter Menu Item You have seven filter choices located under the Filter menu item The filters will help you improve your scans by allowing you to sharpen images and remove excessive dots and distortion Please read through the following explanations and examples to learn how to properly use filtration In many cases you might find that experimentation is an excellent wa...

Страница 30: ...ntended for users who are familiar with image editing tools and how they affect images If you are just learning how to scan then we strongly recommend not using these features until you become familiar with your scanner and its terminology Enhance Enhance pops upTWAIN s colour correction options Histogram Tone Mapand Gamma Data Many image editing programmes already have these features However if t...

Страница 31: ...ghlight mid tone and shadow areas of an image For example When an image is too dark or too light it may have hidden details that can be uncovered by using Tone Map This usually improves the contrast of an image For example when the darkest tone is 65 black you can use the Tone Map to make it 100 black Gammavalues follow a smooth curve as seen below in Figure 7 By adjusting the gamma you can change...

Страница 32: ...d green and blue The name of the channel appears in the title bar This can be useful in comparingcolour ranges between the colour values and in identifying methods when editing specific areas Preferences Use thePreferences option to change the unit of measure from English in to Metric cm or from Metric cm to English in Click PreservePrescan so the image displayed in the Prescan window will not be ...

Страница 33: ... common factors To correctly adjust the monitor gamma you must first have your computer and working environment stable including lighting and your monitor s brightness contrast and colours properly adjusted Next select the Monitor Gamma option Drag the slider bars until the hue inside each rectangle is the same colour as their adjacentcolours as seen below When finished adjusting your monitor s ga...

Страница 34: ...W but rather Greyscale we find that a resolution of 150 works extremely well Note Sometimes increasing the brightness and contrast can help improve and lighten the greyscale image quality Colour Scanning When scanning incolour remember that 24 to 30 bits of information take up a lot of disk space If you are going to scan a colour image and then print it out scan at 200 dpi If you are going to scan...

Страница 35: ...27 Appendix A Troubleshooting ...

Страница 36: ...ce leave scanner on at all times Turn the computer on and enter Windows Once inside Windows turn on the printer and try printing a document Disable the Bi directional option of the printer Scanner does not respond Reset the computer turn it off and on Scanner does not emit any light Unplug the power cable from the rear of the scanner and open the scanner s lid Looking at the front of the scanner w...

Страница 37: ...se Verify Port Make sure the printer is on when it is connected to the rear of scanner The computer s mouse keyboard or floppy drive does not work Upgrade printer port or controller card to an EPP interface Enter the computer s BIOS and change the printer port to EPPand its address to 278 or 378 If the above steps do not solve the problem add the following statement to the SYSTEM INI file below th...

Страница 38: ...30 Appendix B Customer Service ...

Страница 39: ...following information available before calling Scanner name and model number A detailed description of the problem This guide Your computer manufacturer and its model number The speed of your CPU Pentium 486 etc Your current operating system and BIOS optional Other interface cards in your system including I O address settings and IRQ settings Name of software package s version or release number an...

Страница 40: ...32 Appendix C Index ...

Страница 41: ...ii Control Panel 17 D Danger vi Descreen 22 E Enhance 22 Enhanced Parallel Port v vii 2 3 EPP v vii 2 3 28 29 G Gamma 23 H Histogram 22 I Inverse 20 M Monitor Gamma 25 O OCR viii R Resolution 19 S Scale 19 Scan Mode 18 Scanner Utility 12 13 28 29 Sharpen 21 T Testing 10 Tone Map 23 TWAIN v vii 15 16 17 20 21 22 24 ...

Страница 42: ...nt programme modification another machine or non vendor modification for this product If this 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 the approved retailer from whom you bought the product or the manufacturer THIS LIMITED WARRANTY REPLACES ALL OTHE...

Страница 43: ...d 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 Increase the separation 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 which ar...

Страница 44: ...p m CET Monday through Friday Plustek USA 309 East Brokaw Rd San Jose CA 95131 Tel 408 453 5600 Fax 408 453 5780 BBS 408 453 5718 Email techsupport plustek com Web site www plustekusa com Office Hours 8 30 a m until 5 30 p m pacific time Monday through Friday Plustek Inc Taiwan 4F No 1 Lane 50 Sec 3 Nan Kang Rd Taipei Taiwan R O C Tel 886 2 651 5311 Fax 886 2 651 5310 E mail tplustek ms2 hinet net...

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