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1. ml T hunderware FAX 415 254 3047 415 254 6581 Orinda CA 94563 U S A 2 Orinda Way es 608 0503B Table of Contents Introduction 5 What is ThunderScan 5 How to Use This Manual 5 Some Important Things to Know About ThunderScan 6 One More Thing 6 Chapter One Installing ThunderScan 7 Making a Working Copy of Your Disk 7 Connecting the Scanner to Your Apple Il 8 Installing the Scanner in the Printer 8 Preparing the Printer for Scanning 10 ImageWriter and Wide carriage ImageWriter 11 ImageWriter Il 12 Configuring ThunderScan for Your Printer 13 Where to Go Next 14 Chapter Two Learning ThunderScan 15 How to Begin 15 Scanning an Image 16 Inserting Something to Scan 16 Preparing to Scan 17 Choosing Settings 18 Selecting a Disk to Store the Scanned Image 19 Selecting an Area to Scan 19 Selecting a DPI for Scanning 20 Focusing the Scanner 20 Starting the Scan 22 Playing with ThunderScan 22 Changing Brightness and Contrast 23 Changing the Way the Image is Displayed 24 Printing 25 Saving and Quitting 26 Where to Go Next 26 Chapter Three Using ThunderScan 27 Getting Ready for Scanning 27 Starting ThunderScan 28 Putting an Image into the Printer 28 Table of Contents 1 Preparing to Scan 30 Choosing New Scan 30 Disk Space Required for a Scan Image 30 Selecting an Area To Scan 31 Choosing the Format 31 Changing the Format 32 Choosi
2. e If you have an ImageWriter I or Wide carriage ImageWriter move the paper bail sometimes called the roller shaft toward you away from the platen The platen is the big roller that the paper goes around e If you have an ImageWriter II pull the paper thickness lever all the way down toward you allowing for maximum paper thickness e Insert the train original so that it is facing toward you after you roll it through the printer The alignment guides printed on the picture will help you put the image in the proper position Adjust the document so that the printed roller shaft bar is slightly below the actual roller shaft bar e Ifyou have an ImageWriter I or Wide carriage ImageWriter push the paper bail back against the platen e Set the release lever back to the friction feed position and roll the document into place manually refer to the guidelines on the tutorial image Now that your original is in the printer you re ready to scan When scanning on an original ImageWriter or ImageWriter II originals should be inserted along the left edge of the platen If you re scanning on a Wide carriage ImageWriter your original should be offset 3 8 from the left edge of the platen Preparing to Scan Select the New Scan command on the Main Menu to begin the scanning process Type N for New Scan and press The Scan Select screen appears Select the area to scan using gt f keys to select size of the ar
3. For this tutorial choose the settings for your computer from the chart below Computer Memory Setting Setting wee oa Duane nane The Apple IIe Apple IIc and IIc Plus monitors can t show actual gray shades recorded from an image on the screen ThunderScan uses the Halftone mode to simulate gray shades in an image on the screen by placing dots closer together or farther apart The standard Apple IIcs monitor however can display true gray shades as varying intensities of light Notice that the Special format is not included in the chart It s explained in the next chapter Important Note If you have an Apple IIcs and are scanning the the Super Res format the Color mode will default to display gray shades See Filters in Chapter Three Using ThunderScan to learn how to assign colors Selecting a Disk to Store the Scanned Image ThunderScan saves the scanned image on disk during scanning This means that you can scan images that take up much more space than will fit in your computer s memory Images take a lot of disk space to store If you have a single 5 1 4 disk drive you ll only be able to scan small images The Scanfile Volume is the disk that ThunderScan will use to save images If you have a second disk drive you may wish to use it to save your images To select the disk to store the scanned image Insert a formatted disk into Drive 2 e Press O for Online so ThunderScan checks to see whic
4. d like to start with a little guided practice you ll find a short lesson in Chapter Two Learning ThunderScan If you have a second disk drive have some blank formatted disks ready to store scanned image files Your owner s manual for your computer shows you how to format disks ThunderScan files can be quite large and you ll want to be sure to have enough room to store them Make sure you ve installed your scanner If you have an ImageWriter II make sure you ve removed the clear plexiglass window from your printer cover If you have an ImageWriter I or Wide carriage ImageWriter make sure you ve installed the scan key See Chapter One Installation If you have an Apple IIcs make sure you ve disabled the print buffering option in the control panel before starting to scan Using ThunderScan 27 Starting You start ThunderScan as you would any other Apple II application ThunderScan e Insert the ThunderScan disk into Drive 1 and turn on your computer and monitor In a few seconds ThunderScan s Main Menu appears THUNDERSCAN FOR THE APPLE VERT 2 NJEW SCAN SJAVE SCAN OJNLINE VOLUMES LJOAD FILE D ISPLAY PJRINT IMAGE C ONFIGURE QUIT ENTER THE FIRST LETTER Figure 3 1 THEN PRESS RETURN TO ACCEPT The Main Menu Putting an Your original image can be anything that fits into the printer within reason If Image into the you d like to work with an image that won t fit into a printer make
5. train picture e Find the focus knob on the top side of the scanner Roll it back and forth until the focus number on your screen is as high as it will go The exact number varies from scanner to scanner from original to original and over time Don t worry if the focus number flickers e Ifthe number is greater than 60 move the focus knob until the number is 60 You want the highest focus number possible but no higher than 60 When you ve found the highest focus number that s not greater than 60 press Follow the instructions on the screen to prepare the printer for scanning Learning ThunderScan 21 Figure 2 6 Scanned image of train Playing with ThunderScan 22 Chapter Two Starting the Scan You ve chosen your format and mode selected an area to scan selected the DPI and focused the scanner on your original Now you re ready to start scanning To start the scan e If you have an ImageWriter II put the cover back on the printer If you have an ImageWriter I or Wide carriage ImageWriter make sure the scan key is in its little slot on the left side Turn on the printer and make sure the select light is on e Press and follow the instructions on the screen After a few seconds ThunderScan s software prepares the printer for scanning There will be a pause before scanning to give you a chance to roll the image back into position Adjust the image without moving the scanner or turning off the ImageW
6. Res Color Filter 46 Chapter Three ASSIGNED PALETTE USE OPTION END GROW KEYS TO SELECT AND ASSIGN COLORS PRESS lt RETURN gt TO EXIT The Double Res Color Filter lets you assign different colors to gray shades if you have a color monitor and have selected the Color mode resulting in a color effect for your image Color allows you to create different and unusual effects with your images DOUBLE HIRES COLOR FILTER H3STOGRAM R ESET USE OPTION AND ARROW KEYS TO SELECT AND ASSIGN COLORS PRESS RETURN TO EXIT The Super Ultra Res Gray Color Filter lets you select either 16 grays or colors from a palette of 16 grays and 16 colors if you have an Apple IIcs and are displaying in the color mode You can choose all gray all color or a combina tion Figure 3 15 Super Ultra Res Gray Color Filter Figure 3 16 Ultra Res Line Art Filter SUPER ULTRA RES GRAY COLOR FILTER YELLOW YEL GRN CYAN T im rgiepieyIvpies qGqqgGIGIdiada F 20 70 70 70 20 70 70 20 70 70 70 70 20 70 lEIEIIEIIIEIIIIIIIE OA OW KEYS TO SS RETURN T T E E J 3 z 5 1 1 1 K K K K OJOJOJOUCJCOCOCOCOCOCOCO F r r r 20202020 702027070 OO DID X c AC AC ACA M ARROW KE RESS RET Important Note The Super Res and Ultra Res filters default to gray shades Press R for Reset to toggle between between color and gray palettes Using Filters to Change Shades You can adju
7. amount of space available These figures are expressed in blocks A block is half a kilobyte 512 bytes A 5 1 4 inch disk will hold 280 blocks A 3 1 2 inch disk will hold 1600 blocks For example a High Res screen file 1s 17 blocks and a Double Res screen file is 33 blocks A Scan Image file of equiva lent size is over 100 blocks For your convenience the ThunderScan application is not copy protected and is supplied on both 3 1 2 and 5 1 4 inch disks You may want to move files around to customize for the equipment you have Scan Images tend to take up a lot of space so you ll want to make as much room for them on disk as you can These suggestions will give you more room on disks to store Scan Image files and files in other formats If you re not sure how to format disks and copy files with your computer see your Apple owner s manual for details 3 1 2 Inch Drives This is the optimal floppy disk system since a disk can hold images up to 1600 blocks in size The ThunderScan application and system files take up about one eighth of the disk leaving plenty of room for scanned images on the same disk Two 5 1 4 Inch Drives Put the ThunderScan disk in Drive 1 and put a disk with room for images in Drive 2 If you put a blank disk in Drive 2 you ll have the full 280 blocks available for storing an image Reference 61 Hardware Compatibility Using Files with DOS 3 3 62 Chapter Four One 5 1 4 Inch Drive ThunderScan w
8. and Wide carriage ImageWriter S i but slightly different for the ImageWriter II canning 10 Chapter One Figure 1 4 The scanner and scan key installed in an ImageWriter or Wide carriage ImageWriter Preparing the ImageWriter I and Wide carriage ImageWriter The scanner is designed to operate in these printers without the printer cover the printer cover gets in its way Normally the printer shuts down when the cover is removed but the scan key makes it possible for the printer to operate without it To prepare an ImageWriter I or Wide carriage ImageWriter for scanning Find the small square piece of Velcro that comes in the ThunderScan package Remove the backing to expose the adhesive and stick it to the middle of the front panel of your ImageWriter See Figure 1 4 Make sure that the scanner cable is attached to the scanner with the Velcro on the scanner cable There s a piece of fuzzy Velcro about 14 inches down the scanner cable Press it against the piece of Velcro you attached to your printer This will keep the cable in place while you re scanning Find the scan key The round magnet of the scan key fits into the semi circular recess normally occupied by the magnet on the printer cover See Figure 1 4 The scan key allows the printer to operate without the printer cover An optional printer cover specially designed for use with ThunderScan is available from Thunderware It can be used for bot
9. been looking at the image in Halftone mode which shows different shades of gray Another gt Turn off the ImageWriter Always turn off the printer when you change mode Line Art gives you a stark black and white image leaving out most of B between the ribbon and scanner cartridges or when you focus the scanner the gray M e Disconnect your scanner Always disconnect it after you re finished Here s how to change display modes scanning e Press D for Display e Take the train image out of the printer and load some paper The Change Display screen appears e Replace the scanner with a ribbon cartridge e If you have an ImageWriter I or Wide carriage ImageWriter remove the CHANGE DISPLAY FORMAT AND MODE scan key and replace the printer cover If you have an ImageWriter II put the paper thickness lever in the proper position and replace the printer cover ORIGINALLY SCANNED FOR SPECIAL e Press ESC to return to the Main Menu FJORMAT SPECIAL MJODE HALFTONE e From the main menu type P for Print Turn your printer back on The Prepare to Print screen appears PRESS RETURN TO DISPLAY SCAN IMAGE Figure 2 7 PRESS lt ESC gt TO CANCEL AND GO BACK The Change Display screen PREPARING TO PRINT AN IMAGE LTER NSITY NORMAL 72 DPI This screen tells you the current format and mode The Format helps make the picture look right on the screen for different types of computer systems The ME He EET Mode determi
10. find out how to scan an image play with it print it and save it By the time you finish this tutorial you ll have worked with nearly all the major features of ThunderScan It s easy Just follow the directions Important Note If you have a 3 1 2 drive both ThunderScan and large scanned images can fit on the same disk You re all set If you have a singe 5 1 4 disk drive you will have enough disk space to scan only a small image You should seriously consider the purchase of another disk drive preferably a 3 1 2 drive If you have two 5 1 4 drives format a blank disk to store your scanned image If you don t know how to format the owner s manual for your computer tells you how Make sure you have followed these steps before starting out They are explained in Chapter One e Make a working copy of the ThunderScan disk e Install your scanner e If you have an ImageWriter I or Wide carriage ImageWriter put the scan key into the notch on the left side of the printer e If you have an ImageWriter II remove the printer cover separate the clear plexiglass window and put the printer cover back on e Adjust the paper thickness lever on the ImageWriter II for maximum thickness e Configure your software for your system Ifyou re using an Apple IIcs you must disable the print buffering option in the control panel before starting to scan Learning ThunderScan 15 Scanning an Image Figure 2 1 The Mai
11. just like any disk The volume name will appear with the other scanfile volumes when you use the Scanfile Volume command The scan will go faster if you have a RAM disk because it s faster to store the image in memory than on a disk drive For 3 1 2 disk drives Your images should fit easily on the same disk as ThunderScan If you have two drives you still may want to save your images on a separate disk Use the Volume command to specify on which disk you want to store your images For 5 1 4 disk drives You ll be able to save larger images by putting them on a disk other than the ThunderScan disk Keep ThunderScan in Drive 1 and a blank formatted disk in Drive 2 Use the Volume command to specify the disk to contain your images Identifying Newly Inserted Disks If you want to put another disk in a disk drive to hold your image you can take out the old image disk and insert a new disk The Online command tells Thun derScan to identify the disks in the disk drives If you switch disks always use the Online command before using the Volume command Figure 3 8 The Focus screen To use the Online command e Insert the new disk into a disk drive e Press O for Online ThunderScan checks to see which disks you have on line Now when you use the Volume command it will reflect the new disk names Important Note Never remove the disk that the ThunderScan application is on The program will not operate correctly if it is take
12. lines 58 L Laser 128 128EX 7 62 Line art mode 24 33 51 52 Loading an image from disk 42 M Magnification 33 34 Manual how to use 5 6 Mode changing 24 32 choosing 32 33 70 Index defined 18 24 32 Mouse Paint 5 62 N Negative images 5 45 New Scan command 17 30 Not recognized message 14 62 O Online command 19 36 Optional printer cover 11 P Page map 19 Paintworks Paint 40 63 Paintworks Screen 40 63 Palette 45 48 Paper error 10 Pausing during a scan 39 Photocopies use for scanning 28 57 60 Pinpoint GraphMerge 5 Pixels 31 Ports 8 Posterizing 48 Preparing the printer for scanning 11 13 Print buffer disabling IIcs 6 15 21 59 Printer cards 8 61 Printer card slot numbers 14 Printing about color 32 53 54 choosing a density 54 determining location and printout size 54 ImageWriter II Color Filter 53 54 positioning the image 50 problems 60 selecting an area 50 stopping early 55 tile printing 54 55 50 reduction 54 Printout determining location 54 matching to size of original 34 Problems focus 59 60 if you have 58 60 images too dark or light 58 jagged or uneven lines 58 poor quality images 58 59 printing 60 returning scanner for service 61 reversed or double images 60 scanner not responding 59 scanner scans only white 60 scanner will not move 59 ProDOS 6 62 63 Q Quality option 35 Quick Reference Card 40 Quit command 14 Quitting ThunderScan 55 R R
13. printing desired printing size length or width in inches DPI setting 72 X selected scan size length or width in inches For 144 DPI printing desired printing size length or width in inches DPI setting 144 X selected scan size length or width in inches Because ThunderScan DPI settings are limited you must use the setting that is closest to the one determined by the formula To set the DPI Hold down the or amp key and press the Down Arrow to decrease magnification or the Up Arrow to increase magnification Important Note C hanging formats will change the size of the dotted rectangle but the DPI setting will remain the same The size of the dotted rectangle changes to reflect the characteristics of the format settings chosen Setting the Edge Quality To improve the quality of scanned images original images should have a clean straight white left margin of at least 1 4 inch If your image doesn t you should make sure that the Edge option is set to Rough However scanning is faster and more accurate when you have a clean white margin of at least 1 4 inch that will allow you to set the Edge option to Even To change the Edge quality setting Press E for Edge Each time you press E the setting switches between Rough and Even Setting the Scan Quality ThunderScan can work at two speeds The normal speed gives standard quality The slower speed gives slightly higher quality but is considerably
14. slower The Quality option lets you switch between normal and higher quality scanning To change the Quality setting e Press Q for Quality Each time you press Q the setting switches between normal and high Selecting a Disk to Store the Scanned Image ThunderScan saves the scanned image on disk during scanning This means that you can scan images that take up much more space than will fit in your computer s memory The Scanfile Volume is the disk that ThunderScan uses to save images while scanning You can change the Volume option in the same way as you change the other options To change the Scanfile Volume Press V for Volume until you see the name of the disk or volume you want to use The Scanfile Volume command switches between disks that ThunderScan knows are on line The space available figure at the lower right corner of the screen shows how much space in blocks is available on each disk If the space avail able on a disk is less than the space required to hold the image shown in the Using ThunderScan 35 36 Chapter Three Scanning an image middle of the bottom line the message CAN T SAVE SCAN appears in the bottom line of the screen You ll have to change to another disk that has more space reduce the size of your selection or change the resolution setting If you have an extra memory card in your computer that is configured as a RAM disk ThunderScan considers the additional memory to be a volume
15. that your original isn t wrinkled or too thick for the printer Images Too Dark e Try increasing brightness and decreasing contrast controls Fora particularly glossy or shiny image make a photocopy or coat your original with matte spray available at art supply stores e Tape your original to a sheet of matte acetate available at art supply stores so that scanner looks at the original through the dull side of the acetate Jagged or Uneven Lines e Try scanning at high quality instead of normal quality e Make sure you have a clean white straight left margin of at least 1 4 inch that extends down the entire length of the page if you don t set the Edge setting to Rough Try scanning at a higher magnification and reducing during printing Poor Quality Images e Besure you ve followed the focus procedures when starting a scan Clean your lens e Check the condition of your original The type of paper ink or a glossy finish can affect scanning quality Try scanning a photocopy of your original using high quality white bond paper e Try scanning at high quality instead of normal quality e Try scanning at a higher magnification and reducing during printing e Make sure you have a clean white straight left margin of at least 1 4 inch that extends down the entire length of the page if you don t set the Edge setting to Rough If you re using an Apple IIcs you must disable the print buffering option in th
16. the alignment of the sensor with the hole in the paper guide of the ImageWriter II If the scanner is aimed too high remove the scanning cartridge and gently press down on the center of the plastic ribbon deck The deck should snap into its correct position Three Digit Focus Number or Clicking Sound If your scanner registers a three digit focus number or makes a clicking sound your original may be too glossy Either scan a photocopy of the original or spray it with a matte spray If your problem is not due to a glossy original and you re using an ImageWriter II the sensor may be misaligned with the hole in the paper guide Call Thunderware s Technical Support team for assistance Scanner Scans Only White e Be sure to re focus before a new scan e Reset the printer by turning it off and back on e Check to see that the settings in the Configure screen are correct e The image may be larger than the screen Use the arrow keys to scroll the image into view Reversed or Double Images e Quit the scan and reset your ImageWriter by turning it off and back on e Refocus the scanner and follow the instructions on the screen e Make certain you don t touch or move the scanner while adjusting the paper before starting a scan Printing Problems If your printed image is too small rescan the image at a higher DPI e f your printed image is too faint readjust the paper thickness lever on your printer to a thinner setting e
17. 6 possible gray shades As the image is scanned the screen begins to fill with your image Later in this chapter Working with a Scanned Document explains how you can make changes to your scanned image Saving Pausing During a Scan If you need to stop a scan temporarily you can use the Pause command The Pause command tells ThunderScan to stop scanning until you re ready to continue To pause during a scan e Press P for Pause To resume scanning e Press any other key ThunderScan resumes scanning where it left off Stopping a Scan in Progress You may decide to stop a scan before it s finished For example the selected area might be different than you expected or the magnification might be too large You can stop a scan in progress by pressing ESC ThunderScan stops the scan and warns you that you haven t finished scanning yet e Press N to continue the scan e Press Y to return to the Main Menu Perhaps you re planning to print your image directly from ThunderScan Or you might want to use your images with other programs or even with another kind of computer In order to provide this flexibility your image can be stored in two ways A Scan Image saves the entire ThunderScan image you ve created along with any gray shade information that ThunderScan recorded the gray map Saving as a Scan Image allows you to return later to make more filter brightness and contrast decisions Scan Image files are t
18. AM Disk 31 36 61 Rescanning 50 RMA number returning scanner for service 61 Roadmap 65 S Save command 26 Saving about 39 42 as a Deluxe Paint II file 40 42 as a Paintworks file 40 42 as a Scan Image 39 40 as a single screen file 39 42 Scan key 7 11 12 15 27 Scan quality setting 35 Scanfile Volume 19 35 36 62 Scanner not responding message caring for 63 connecting to your Apple II 8 defined 5 27 disconnecting 6 55 important components of 8 installing 8 10 returning for service 60 Scanning defined 5 27 pausing 39 photocopies 28 57 60 speed 35 stopping while in progress 39 Scrolling 43 Seeing more of an image 43 Select light 22 38 54 59 Selecting an area to scan 19 20 31 Selection rectangles 19 20 34 Service returning scanner for 61 Settings choosing format and mode 18 19 Solid rectangle 19 20 34 Special mode 34 35 Stopping a scan in progress 39 Super Ultra Res Gray Color Filter 46 47 Systems Utilities 7 T ThunderScan Main Menu screen selecting from 16 ThunderScan Roadmap 65 ThunderScan important things to know about 6 Tile printing 54 55 Tips for getting better images 57 58 U Ultra Res Line Art Filter 47 Using files with DOS 3 3 62 V Velcro strips 7 11 13 Volume option 19 35 36 W What is ThunderScan 5 Working with a scanned document 43 Index 71 Image scanned from book entitled The Big Cats by Guy Coheleach and
19. Dark grays become black and light grays become white Decreas ing the contrast using the Left Arrow reduces the difference between light and dark The contrast control affects the range of grays in an image In a low contrast image you can t tell much difference between the darks and lights in a high contrast image everything is black or white You adjust the contrast control highlighted at the bottom of the screen as you do the brightness control with the Right and Left Arrow keys To adjust the contrast of your image e Press C for Contrast Press the Right or Left Arrow key to move the C in the contrast control to the right or left Each time you press an arrow key the contrast changes If you re scanning with an Apple IIcs in Super Res or Ultra Res the effects are instantaneous Ifyou re using an Apple IIe IIc or IIc Plus press to see the effect of the change on your image e To reset Contrast and Brightness settings to their normal modes simply press C or B and then press N for Normal Filters When you scan an image ThunderScan records each dot it sees as one of 16 gray shades Depending on the format and mode you have selected ThunderScan uses a particular filter to determine how to show the image on screen Normally the filters are set to show each gray shade as close to the natural shade as possible You can change the filters to change the way the image appears For example if certain gray s
20. If the printed image looks snowy or clouded and not like the image that appears on the screen re display the image Increase the contrast and bright ness settings slightly and try printing again Returning Your Scanner for Service File Size Limitations Making the Best Use of Your Equipment If you are still encountering problems contact us If a member of our support staff determines that your scanner is in need of service he or she will issue a Re turned Material Authorization RMA number for you to note on the outside of your package Please make a note of your RMA number in case you need to inquire about the status of a returned scanner Thunderware will promptly repair scanners and return them postpaid Any repair work not covered under the warranty must be paid before we can return your scanner To expedite the return of a scanner which requires an out of warranty repair please provide us with a MasterCard or VISA credit card number expiration date and the full name shown on the card along with your scanner important Note Thunderware cannot accept any unit without the required RMA number so be sure to note it clearly on the outside of the package containing your scanner A scan file can be as large as will fit on the disk When you select an area to scan ThunderScan tells you how much disk space is needed to store the resulting image The REQ D number is the amount of space required The AVAIL number is the
21. R HISTOGRAM SCREEN eHALFTONE LINE ART SCREENS SCREEN FILTER CHANGE DISPLAY SCREEN HISTOGRAM SCREEN DISPLAY SCREEN PREPARE SCREEN GS SCREEN TO PRINT ion CAEN SAVE SAVE FORMAT SCREEN SCREEN SCREEN IW II COLOR HISTOGRAM FILTER SCREEN SCREEN HALFTONE HISTOGRAM LINE ART SCREEN FILTER SCREEN ABOUT THUNDERSCAN SCREEN CONFIGURATION SCREEN Reference 65 Figure Index Charts Format and mode settings 18 Approximate DPI for scanning 20 Formats for each Apple II model chart 32 Available modes for different resolutions chart 33 Formulas to calculate printing size charts 34 Super res files 63 Filters available and format and mode settings chart 63 ThunderScan roadmap 64 Photographs Important components of the scanner 8 Installing the scanner 9 The scanner in place 10 Scanner and scan key installed ImageWriter I or Wide carriage 11 Detatching the window from the printer cover 12 Scanner and printer cover in an ImageWriter II 13 Position of original ImageWriter I and II 29 Position of original Wide Carriage ImageWriter 29 Printing Samples Line art mode 52 Halftone mode 52 Gray mode 53 Screens Configure 14 Main menu 16 Scan select 17 Focus 21 Tutorial image as shown on screen 22 Change display 24 Prepare to print 25 Main menu 28 Scan select 30 Index 67 Focus 37 Prepare to scan 38 Screen save 41 Screen save file format 42 L
22. THUNDERSCAN PRESS RETURN WHEN YOU RE DONE The first two options let you specify your printer type and the slot that contains your printer card The third option gives you some general information about the ThunderScan program The printer option settings change each time you press the appropriate letter e Tochange the printer type press P until you see the name of your printer e To change the number of the slot containing the printer card press S until you see the slot number you need For the Apple IIc IIc Plus and Ics you re probably using Slot 1 For other models peek inside the case to see which slot contains the printer card If the message NOT RECOGNIZED appears next to the slot number you ve selected it means ThunderScan doesn t recognize the card in this slot as a serial card See Hardware Compatibility in Chapter Four Reference e When you re finished press to return to the Main Menu Choose the Quit command if you want to leave ThunderScan For a quick lesson read the next chapter Learning ThunderScan For more advanced information read Using ThunderScan Chapter Two Learning ThunderScan How to Begin If you feel ready to scan every loose piece of paper or photograph in sight you may want to skip this chapter and refer instead to the next chapter Using Thun derScan If you want some guidance as you scan your first image you ve come to the right place In this chapter you ll
23. Writer you ll be ready to start using ThunderScan e For instructions on installing ThunderScan turn to Chapter One Installation e If you want a short lesson on using ThunderScan you ll find a good teacher in Chapter Two Learning ThunderScan e If you want to jump straight into ThunderScan you ll find a friendly consult ant in Chapter Three Using ThunderScan This chapter explains nearly everything you can do with ThunderScan Introduction 5 Some Important Things to Know about ThunderScan One More Thing 6 Introduction e After learning ThunderScan and using it for a while turn to Chapter Four Reference if you d like technical information ThunderScan runs using Apple s ProDOS operating system If you want to use images created with ThunderScan with DOS 3 3 refer to the section Using Files with DOS 3 3 in Chapter Four Reference When you re done using ThunderScan be sure to e Disconnect the scanner from your Apple when you ve finished scanning Other programs may not work properly with the scanner connected Thun derScan connects to your Apple II via the Game I O connector and uses Pushbutton O Input PBO to send its digitized data Other programs may not work properly with the scanner connected e Avoid pressing CONTROL RESET with ThunderScan connected Doing so may cause your Apple to reboot e If you re using an Apple Ilas you must disable the print buffering option in th
24. a screen image It serves as a guide when you are using the filters to assign shades and colors You can see a histogram when you are using the filters to assign shades and colors To see a histogram e Press H for Histogram A histogram like this one appears HISTOGRAM OF CURRENT SCREEN IMAGE g sxxxxxx Qxxxxxxxxx q X b xxx S 2 0 sa helheiieikaiiel eS gQ xxxxxx O x ZqWexxe 1l6 x33xxxxxxxX QxxxXxXxxxx 13 x xxxxxxxxX T Y Y Y Y Y Y Y Y Y Y Y Y Y Y C FR ns ae ee OOO ONU S Ae UC26 6206 6C 0969060006063 CO CO COGO T 7070 4070 707070 7070 7070 70 720 72 LlLLP IIIPRIIIILPIPEILII PRESS ANY KEY TO EXIT Using ThunderScan 49 Printing 50 Chapter Three If you press H before a screen is completely refreshed the histogram will reflect only a portion of the screen showing instead of the entire screen To leave the histogram Press any key You return to the filter or image which was on the screen Rescanning Suppose after having tried a variety of contrast and brightness settings you still don t have an image you like Maybe it s too small and you decide you want an enlargement Or perhaps you want to reposition the image in the printer You can always rescan the original image Figure 3 18 Prepare to Print screen e From the Main Menu type N for New Scan and press A message may appear reminding you that you haven t saved your earlie
25. a color monitor and print them using 7 colors with an ImageWriter II using a color ribbon You ll be able to create interesting and unusual effects with this capability Many painting programs give you more options with color Changing the Format The current format appears at the top left of the scanning options section of the Scan Select screen Option settings switch each time you press the first letter of the option name To change the format setting e Press F for Format until you see the setting you want Notice that as you change the format setting the number of blocks required to save the image may also change Choosing a Mode The Mode determines how an image will appear on the screen Depending on the format setting you can choose from three modes e Halftone A halftone uses black and white dots to represent shades of gray Lighter areas have more white dots darker areas have more black dots Figure 3 6 Available modes Line Art A line art image appears in high contrast with only white areas and black areas Lighter shades of gray become white and darker shades of gray become black e Color When used with a color monitor all formats except High Res and Special can represent shades of gray as colors instead You can choose which colors will represent which shades see Filters later in this chapter To display color you must have a color monitor This chart shows you which resolutions can use whi
26. a photocopy Printer of it Use the photocopy as your original image To insert an original image into your printer e Remove any printer paper from the printer e Setthe release lever to the pin feed position This will allow you to slide in your original easily e If you have an ImageWriter I or Wide carriage ImageWriter move the paper bail sometimes called the roller shaft toward you away from the platen The roller shaft is the little bar The platen is the big roller If you have an ImageWriter II pull the paper thickness lever all the way toward you e If you have an ImageWriter I or an ImageWriter II insert your original so that the left edge is flush with the left edge of the platen If you have a Wide carriage ImageWriter your original should be offset 3 8 from the left edge of the platen The photographs below illustrate the proper position for your original 28 Chapter Three Figure 3 2 Proper position of original for scanning with an ImageWriter or ImageWriter Il Note that the left edge of the original is lying even with the left edge of the platen Figure 3 3 Proper position of original for scanning with an Wide carriage ImageWriter Note that the left edge of the original is positioned approximately 3 8 from the left edge of the platen If you have an ImageWriter I or a Wide carriage ImageWriter push the roller shaft back against the platen Set the release lever to the friction
27. age while the image is on screen or use an older ribbon with slightly faded ink when printing Determining Location and Printout Size The indentation setting determines how far from the left edge of the page the image will print The width and length settings determine how much of the image up to 8 by 10 will be printed To change indentation width or length e Press the letter for the setting you want to change e Use the Left and Right Arrow keys to adjust the settings When you re finished with the printing settings e Press A screen appears with some reminders Be sure to take out the scanner insert a ribbon cartridge in the printer and load the printer paper Replace the printer cover turn on the printer and make sure the select light is on When you re ready to print e Press ThunderScan starts to print your image After printing is finished you return to the Main Menu Tile Printing Tile printing is necessary when an image is too large to be printed on a single sheet of paper ThunderScan does not have an automatic tile printing feature but it is possible to tile print an image manually by following the procedure below e Display the image in the format it was scanned in Quitting ThunderScan Disconnecting the Scanner Scroll to the upper left hand corner of the image using the arrow keys _ e Press ESC to go to the Main Menu e Print the image by following the printing instructions above
28. ast controls are similar to the controls on a television set After you choose the Brightness or Contrast command the controls appear at the bottom of the screen Using ThunderScan 43 44 Chapter Three Brightness Changing the brightness makes the overall image lighter or darker If an image appears too dark you might want to increase its brightness using the Right Arrow If it appears washed out you might want to decrease its brightness using the Left Arrow To adjust the brightness of your image e Press B for Brightness The brightness control is highlighted at the bottom of the screen You operate the slider on these controls with the Left and Right Arrow keys e Press the Right or Left Arrow key to move the B in the brightness control to the right or left Each time you press an arrow key you change the brightness by one point If you re scanning with an Apple IIcs in Super Res or Ultra Res the effects are instantaneous If you re using an Apple Ie IIc or IIc Plus press to see the effect of the change on your image ThunderScan redraws the image line by line according to the new brightness control setting Your image should look lighter or darker depending on whether you increased or decreased the brightness Contrast Changing the contrast alters the range of light and dark in an image Increasing contrast by using the Right Arrow makes light areas lighter and dark areas darker
29. ch modes Format Mode Setting Settings High Res Halftone Line art Double Res Halftone Line art Color Halftone Line art The current mode appears at the upper right of the scanning options section of the Scan Select screen Option settings switch each time you press the first letter of the option name To change the mode setting Press M for Mode until you see the setting you want ThunderScan only shows you the modes available for the current format setting If the mode you want doesn t appear that means it isn t available with the current format setting You ll have to switch to another resolution that permits the format you want Using and Setting DPI Magnification is measured in dots per inch DPI as shown in the DPI setting on the Scan Select screen The DPI setting refers to the number of dots in each horizontal line of the screen used to represent a horizontal inch of the original A DPI of 100 means that 100 dots on the screen represent one inch of the original A DPI of 43 means that 43 dots represent an inch of the original hence more of the total image will appear on screen at one time if you choose a lower DPI Using ThunderScan 33 34 Figure 3 7 Formulas to calculate printing size Chapter Three You select the amount of magnification by adjusting the DPI setting which changes the size of the dotted rectangle on the page map The dotted rectangle represents the size
30. e Apple Ile If you have another brand of printer card in your Ile and get the NOT RECOGNIZED message when you set your printer slot in the Configure screen it means your printer card isn t compatible with ThunderScan s software Accelerator Cards ThunderScan is very timing sensitive while scanning so it may not be compat ible with all accelerator cards If you have trouble scanning with your accelerator card active turn it off The Laser 128EX will not work correctly when acceler ated However ThunderScan software will work correctly on an Apple IIcs or IIc Plus operating at accelerated system speeds There may be times when you want to use High Res or Double Res screen files created with ThunderScan with programs that run using Apple s old operating system DOS 3 3 The files ThunderScan creates are always in ProDOS format so they have to be converted and moved to a DOS 3 3 disk Use a ProDOS to DOS conversion program like CONVERT or Copy II Plus by Central Point software Be kind to your scanner Treat it as you would any piece of precision optical equipment It s pretty sturdy but it s not unbreakable It will hold up well under normal use Avoid dropping it of course and try not to bump it against hard objects Don t put things on top of the scanner Do put your scanner in a safe place when it s not in use You might store the scanner in its original box The scanner is virtually maintenance free If you no
31. e Press ESC to return to the Main Menu and redisplay the image e Scroll to the right so that the right edge of the portion of the printout that you just printed is on the left edge of the screen e Press ESC to return to the Main Menu and print the image e Continue scrolling and printing until the entire width of the image is printed If the image is longer than a single page you will need to scroll down and begin working your way across the image from left to right again scrolling and printing each page After you ve printed the entire image you can tape the pieces to gether Stopping Printing Early To stop printing before the ImageWriter is finished Press ESC When you re finished using ThunderScan go to the Main Menu to quit e Type Q for Quit and press If you haven t saved your Scan Image yet the Save screen appears Follow the instructions on the screen If you ve saved an image to a RAM disk be sure to copy your scan image to disk before turning off your computer Whenever you leave ThunderScan you should disconnect the scanner Other software may not operate properly with the scanner connected Simply unplug the scanner from the computer and remove the scanner cartridge from the printer before inserting a ribbon cartridge Be sure to put the scanner in a safe place Using ThunderScan 55 Chapter Four Reference Tips for Better Using ThunderScan is like using most devices the more experience y
32. e Type Formats Paintworke 0 C DeluxePaint Il a k a Apple Preferred unpacked screen image Figure 4 1 Super Res Files Filters Available ThunderScan s filters give you precise control over the appearance of images both when displayed on the Apple screen and when printed The filters available n or kommt ane depend on the format and mode selected in the Change Display screen The chart Mode Settings below shows the filter available for each format and mode combination Format Mode Halftone Double Res Super Ultra Res Ultra Res Line art gray color gray color Line art wem X Od wem o Super Res Figure 4 2 Format and Mode Filters Available ee 64 Chapter Four ThunderScan Roadmap Use this roadmap to find your place in the scanning process An arrow between two screens means you can get from one screen to the other usually by pressing ESC or Note that there are one way arrows and two way arrows One way arrows mean that you can travel only in one direction you cannot return to the first screen from the second Two way arrows mean that you can travel in both directions between screens START SCAN SCREEN PREPARE TO SCAN SCREEN SCAN SELECT SCREEN FOCUS SCREEN Filter screens displayed ONLINE depending on mode and FILTER DISPLAY SUME a SCREENS SCREEN SUPER ULTRA RES GRAY COLOR FILTER ULTRA RES LINE ART LOAD FILTER FILTE
33. e control panel before starting to scan Scanner Not Responding During focusing or scanning you may get a message saying SCANNER NOT RESPONDING Check to see that e The scanner is properly installed in the Image Writer e The cable from the scanner is plugged into the game port Scanner Will Not Move Check to make sure that e The printer is plugged into the printer port or the Ile super serial port e The proper printer type and slot are selected with the Configure command from the Main Menu e The cover magnet modified cover or special ThunderScan printer cover is in place that the ImageWriter is turned on and that the ImageWriter s select light is on No Focus Number If you can t get a focus number but you are sure everything is properly con nected check to see that your unit is getting power With your computer turned on and the scanner connected check to make sure that there is a small red light shining out through the nose of the scan cartridge and onto your image in the printer If there is no red light your scanner may be in need of service Contact Thunderware at the address or phone number on the back of this manual for assistance Reference 59 Chapter Four Low Focus Number If your scanner registers a focus number below 30 on a white original check to see that the scanner s lens is clean Refer to Taking Care of Your Scanner below If after cleaning you still have a low focus number check
34. e control panel before starting to scan The manufacturers of ThunderScan hope that you will enjoy the scanner and take advantage of its full graphics potential Please remember however that many images you may wish to scan are protected under copyright laws and should not be used without prior permission from the artists or photographers who created them Making a Working Copy of Your Disk Chapter One Installing ThunderScan You don t have to be a technician to install ThunderScan You only need some basics e An Apple Ile with a super serial card Apple IIc or IIc Plus or Apple Hes computer or a Laser 128 or 128EX e An ImageWriter I ImageWriter II or Wide carriage ImageWriter printer And you ll need these parts from the ThunderScan package The ThunderScan digitizing cartridge or scanner The scanner is the device that actually transfers your images from paper into a form your computer can work with e The plastic scan key for the ImageWriter I or Wide carriage ImageWriter e Velcro strips to hold your scanner cable in place There s really not much work to installing ThunderScan The following steps show you how to e Make a working copy of your disk e Connect the scanner e Install the scanner e Prepare for scanning e Configure ThunderScan Once you ve finished these steps you ll be ready to scan Before scanning use a utility program to make a working copy of your Thunde
35. e of the scan file to avoid errors Press Using ThunderScan 41 Figure 3 11 The Screen Save File Format screen Loading an Image from Disk Figure 3 12 The Load screen 42 Chapter Three If you are working with an Apple IIcs and your image is displayed in Super Res or Ultra Res an additional screen will appear CHOOSE A SCREEN SAYE FILE FORMAT PAINTWORKS PAINT PAINTWORKS SCREEN DELUXEPAINT Il USE ARROWS KEYS TO SELECT FILE FORMAT PRESS RETURN TO ACCEPT PRESS ESC TO CANCEL SAVE Important Note To import screen files into Paintworks Deluxe Paint II or other Apple IIas specific programs remember to scan or display images in the Super Res or Ultra Res formats Unless you ve just scanned an image you have to load an image from a disk in order to have something to work with To load an image start from the Main Menu Type L for Load and press The Load Screen appears LOAD SCAN FILE FROM DISK ENTER A SCANFILE OR DIRECTORY PATHNAME PRESS lt ESC gt TO GO BACK TO MAIN MENU Working with a Scanned Document If you know the complete pathname type it in and press e If you don t remember the name of the volume with the image do an Online from the Main Menu If you know the volume name type it in and press The files and or directories on the volume are listed Use the Up and Down Arrow keys to move the highlighting to a Scan Image file or d
36. e serious damage to the ThunderScan cartridge if you attempt to scan anything when the cartridge is not firmly in place of the scanner Scanning Nose HIS 8 firmly p 8 Chapter One Installing ThunderScan 9 e Double check to make sure your printer is off Grasp the print head assembly not the scanner or ribbon cartridge deck and gently move it as far to the right as it will go then move it as far to the left as it will go Make sure that nothing interferes with its movement and that the cable doesn t catch on anything e Make sure your hands are away from the printing mechanism Turn on the ImageWriter The print head and scanner will move to the left margin On an ImageWriter I or Wide carriage ImageWriter the motion then stops On an ImageWriter II the print head and scanner return to the center and the ribbon cartridge deck pivots down and back up This startup routine will ensure that the scanning cartridge is properly seated On an ImageWriter II it will position the scanner so that the eye is in front of a hole in the plastic paper guide and the scanner light can shine on the image to be scanned Don t worry if your ImageWriter registers a paper error Turn off the ImageWriter s Suo IR I 5 272717 re ey Yee Figure 1 3 The scanner in place Preparing the Before you can scan an image you need to prepare the ImageWriter for scanning Printer for The procedure is the same for the ImageWriter I
37. ea lt with opt to position the area left right TL with opt to control image magnification Return to Accept Esc for Main Menu FJORMAT HIGH RES EJDGE EVEN SCANFILE V OL SCANFILE BLKS DDO J0 0 amp OI rn MJODE HALFTONE DPI 115 O NLINE 273 AVAIL QUAL NORMAL SCANFILES 262 REQ D Learning ThunderScan 17 18 Figure 2 3 Available format and mode settings Chapter Two The Scan Select screen is the control panel for scanning With it you can tell ThunderScan an area of your original to scan how to show the image on the screen where to save it and much more Choosing Settings The bottom of the screen lists options for you to choose from as you prepare to scan The Format and Mode options let you specify how ThunderScan should save the image and show it on the screen When you want to change one of these options you press the first letter until you see the setting you want Try it To change the format setting Press F Press F again until you see the original setting again Notice that the dotted outline on the page map changes whenever you change the format setting You ll learn what this means in a moment To change the mode setting e Press M And keep pressing M until you see the original setting again After playing with these settings a little you re ready to choose the actual settings for your first scan Not all settings can be used with every computer
38. er is for use with other Image Writer printer models Find the square piece of Velcro that comes in the ThunderScan package Remove the backing to expose the adhesive Stick it on the center of your ImageWriter II about half way between the Apple logo and the control panel See Figure 1 6 Find the piece of fuzzy Velcro about 14 inches down the cable that comes from the scanner Press it against the piece of Velcro you just attached to your printer This will keep the cable in place during scanning 7 2 7 777 j 2 ae 107 F LLL Ly Le i Ly e Ly 7 oe Ys yy 7 Lipo iy ee 7 i Hie i i i ThunderScan works with the ImageWriter I ImageWriter II and Wide carriage ImageWriter You have to tell ThunderScan which one you re using This is done with the Configure command listed on the Main Menu Unless you change to another printer you have to do this only once the first time you use the program To choose your printer Insert the ThunderScan disk in Drive 1 ThunderScan comes in both disk formats so you re ready to go whether you have 5 1 4 or 3 1 2 drives Turn on your computer and monitor When the Main Menu appears type C for Configure and press Installing ThunderScan 13 Figure 1 7 The Configure screen Where to Go Next 14 Chapter One The Configuration Menu appears SETUP YOUR CONFIGURATION P RINTER TYPE IMAGEWRITER 77 S LOT PRINTER IS IN 1 A BOUT
39. er reliably If you have trouble feeding something around the platen or if the roller shaft won t hold it firmly against the platen that s a good indication that it s not appropriate scanning material for ThunderScan e Glossy shiny and some textured surfaces may not scan well You may get better results scanning a photocopy For a glossy original you might try a matte spray available at most art supply stores e If you see the CAN T SAVE SCAN message but don t want to lower magnification try inserting a disk with more space available on it or decrease the size of the area to be scanned scanning two sections Reference 57 lf You Have Problems 58 Chapter Four separately if necessary If the image is still too big use a copy machine to reduce your original before scanning e The scanner is a delicate optical instrument Treat it gently especially the scanning sensor in the nose A fingerprint on the scanning lens can cause poor scanning Care for your scanner as you would any piece of high quality optical equipment If you re having trouble with your scanner the following sections should help you Go to the section below that best describes the trouble you re having and see if the suggestions given solve the problem Images Too Light Try decreasing brightness or increasing contrast settings e Be sure you ve followed the focus procedures when starting a scan e Clean your lens e Check to see
40. explain all of ThunderScan s features in detail Getting Ready for Scanning ThunderScan lets you take images off paper and put them into the computer Once you have an image in the computer you can use the ThunderScan tools to adjust the image quality The process that puts an image into the computer is called scanning You scan an image with a device the scanner that plugs into your printer The scanner moves back and forth across the page translating each point it sees into a dot corresponding to one of 16 shades of gray This conversion is called digitizing The whole computerized image consists of thousands of dots ThunderScan remembers where each dot is and its corresponding shade of gray Scan Image files are like maps of the gray shades in an image With an Apple IIGs you can see gray shades on the screen With other versions of the Apple II the screen can only show black or white dots ThunderScan figures out which dots to include on the screen to represent the image faithfully this is called dithering Although the changes you make to the image are reflected on the screen altering an image on the screen never changes the gray map ThunderScan still remembers the gray map allowing you to make changes to the screen image start over and even produce many different images from the original Scan Image This chapter explains how to use ThunderScan Make sure you have the scanner installed before you go any further If you
41. feed position Using ThunderScan 29 ENDE Preparing to Scan Figure 3 4 The Scan Select screen 30 Chapter Three This section shows you how to take an image from paper and turn it into a computer file Later sections show how to work with a scanned image Choosing New Scan The New Scan command on the Main Menu begins the scanning process To choose New Scan e Type N for New Scan and press The Scan Select screen appears Select the area 234567 to scan using gt keys to select size of the area lt with opt to position the area left right TL with lt opt gt to control image magnification 1 2 3 4 5 6 8 9 0 lt Return gt to Accept Esc for Main Menu FYORMAT HIGHRES M ODE HALF TONE EJDGEEVEN Q UAL NORMAL DPE115 SCANFILE VJOL SCANFILES ONLINE SCANFILEBLKS 262REQ D 273 AVAIL 1 Disk Space Required for a Scan Image The amount of disk space required to store a Scan Image depends on three factors The size of the area you ve selected for scanning e The format used to display the image during scanning e The DPI selected for the scan The bottom two lines of the Scan Select screen tell you which disk or volume will be used to store the image how much space is required and how much space is available on the current disk Disk space is measured in blocks A block contains 512 bytes half a kilobyte A file that requi
42. g Penney and Tom Petrie Mechanics Bruce Kirwan User s Guide Brian Smith Support Phil Bennett Scott Smallwood and Sam the Cat Introduction What Is ThunderScan from Thunderware turns your ImageWriter into a high resolution ThunderScan scanner It works with anything you can roll through the printer Drawings e Illustrations Logos e Photographs e Maps e Diagrams and sketches e Handwriting and printed documents To put the image into the computer you scan it with ThunderScan ThunderScan takes an image and records all its shades of gray Then you can make it lighter or darker change the contrast and even turn it into a negative You can print it with an ImageWriter You can save the image to change it with a painting program like Dazzle Draw Mouse Paint Paintworks Plus or Deluxe Paint IT or put it into an AppleWorks document by using a desk accessory program like Pinpoint GraphMerge We won t even try to tell you everything you can do with ThunderScan but here are some ideas e Create collections of clip art e Insert illustrations into a letter e Turn maps charts and other teaching aids into computer files for transparencies or handouts e Send an image to another computer using a communications program How To Use This manual is designed to make ThunderScan easy to learn and use If you know This Manual how to start up a program load and save files copy a disk and use your Image
43. h disks are in which drives e Press V for Volume until you see the name of the disk you want to use If you only have a single disk drive pressing V won t change anything After you have the volume selected you re ready to choose an area to scan Selecting an Area to Scan Now look at the upper part of the Scan Select screen The page map lets you select an area of your original to be scanned The solid outline called the selec tion rectangle represents the area on the page that the scanner will record The dotted line shows the effects of magnification Using the arrow keys you can adjust the size and position of the selection rectangle The standard selection rectangle on the screen is the size that you need for this lesson s you can see on your screen the selection rectangle starts one half inch from the left edge of the page map and extends to the 6 1 2 inch point It extends down 3 1 2 inches This approximates the dimensions of the train picture To reduce or enlarge the selection rectangle e Press the Arrow keys The rulers show the exact position and size in inches of the selected area Try it Notice that as the selection rectangle gets larger or smaller the bottom line of the screen tells you how large an area you re selecting in blocks A block is 512 bytes or half a kilobyte Learning ThunderScan 19 ERR PERRO REESE E 20 Figure 2 4 Approximate DPI settings for scanning Chapter Two T
44. h printing and scanning For more information contact Thunderware at the address or phone number on the back of this manual te s 25 space i e riter 21577 MA sistas Figure 1 5 Detaching the window 12 from the printer cover Chapter One Important Note Be careful when using the scan key Keep hands hair pets children and all objects away from the printer during operation Never put the standard ImageWriter I or Wide carriage ImageWriter cover on while you have the scanning cartridge installed It may damage your scanner Preparing the ImageWriter II To prepare the ImageWriter II for scanning e Before scanning remove the clear plexiglass window from the printer cover To do this locate the two plastic catches on the front cover window that fit through the front cover Gently press the tabs inward and carefully separate the two pieces See Figure 1 5 Figure 1 6 The scanner and printer cover installed in an ImageWriter II Configuring ThunderScan for Your Printer e Adjust the paper thickness lever on your ImageWriter II to allow for maxi mum paper thickness If you cannot locate the lever refer to your printer manual Put the cover with the window detached back onto the printer The scan ning cartridge cable should be routed over the top of the printer cover Make sure that the Velcro on the cable isn t stuck to the scanner The piece of Velcro on the scann
45. hades appear a little dark you can assign a lighter shade of gray to them Or you can invert the gray shades making darks light and vice versa to produce a negative image For resolutions that show color you can specify which gray shades you want to appear as which color You access the filter for the format and mode you ve selected by pressing F for Filter while an image is on screen The actual gray shades in the left column are the shades that ThunderScan records for the image There are 16 gray shades ranging from white to black The palette on the right is a collection of gray shades or colors that you can use to represent the actual shades on the screen or in printing The assigned shades in the middle are the shades chosen from the palette for each actual shade Normally the assigned shades are the same as the actual shades The Halftone Line Art Gray Filter lets you choose from the standard palette of 16 gray shades for High Res or Double Res formats except in the color mode Although the High Res and Double Res formats don t actually display gray shades on the screen this filter determines the distribution of white and black dots used to represent grays You can use this filter to make a negative image Simply reverse the order of the assigned gray shades so that white is represented by black black by white and SO On Using ThunderScan 45 Figure 3 13 Halftone Line Art Gray Filter Figure 3 14 Double
46. he only kind that ThunderScan can load so keep a Scan Image copy of your file if you ll ever want to change contrast brightness or filter controls or if your image is larger than the other formats allow A screen file saves only the image showing on the screen Screens may be saved in High Res Double Res Super Res or Ultra Res formats for importing into other programs for example an image displayed in Super Res and saved as a Super Res screen may be imported into Paintworks DeluxePaint or 8 16 Paint an image displayed in Double Res and saved as a Double Res screen may be imported into DazzleDraw Before saving as a screen file be sure your image is displayed in the format accepted by the program you wish to use it in Using ThunderScan 39 40 Chapter Three Important Note It s a good idea to save all scans as Scan Images first Scan Image files can be used as reference files An infinite number of screen saves may be generated from a single Scan Image If you are working with ThunderScan on an Apple IIcs there are three additional screen file formats that are available in Super or Ultra Res APaintworks Screen file can be used with painting programs like Paintworks This file is a single screen in size e A Paintworks Paint file saves the screen showing and a full screen below it It can be used with painting programs like Paintworks e A DeluxePaint II file saves the screen showing in Apple s Preferred File Forma
47. irec tory from the list Press to accept your choice The file name or directory you ve chosen appears after the name of the current disk If you selected a direc tory repeat this process until the complete pathname appears e Press to confirm your choice Voil The image fills the screen After you ve finished scanning an image or opened it from a disk you can move the image around to see more of it adjust the contrast or brightness or alter the way ThunderScan sees shades of gray using the filter command Seeing More of an Image Since images you scan can be quite large you might not see all of your image on the screen at once So ThunderScan lets you scroll the image move it around on the screen The screen is just a window over the larger image To scroll the image e Use the appropriate arrow key Up Down Right or Left to move the image in the direction you want To scroll inches at a time Hold down the or amp key while scrolling When you ve reached the edge of your image your Apple will beep The image is moved on your screen and repainted in the new position If you re displaying an image in a format that s different from the format in which it was originally scanned horizontal scrolling won t occur smoothly Adjusting the Brightness and Contrast ThunderScan uses the brightness and contrast settings to determine how to represent an image on the screen ThunderScan s brightness and contr
48. ks 62 Hardware Compatibility 62 Printer Cards 62 Accelerator Cards 62 Using Files with DOS 3 3 62 Taking Care of Your Scanner 63 File Formats 63 Scan Image Files 63 screen Files 63 Filters Available for Format and Mode Settings 64 ThunderScan Roadmap 65 Figure Directory 67 Index 69 Table of Contents Copyright This guide and the software described in it are copyrighted with all rights reserved Under the copyright laws neither this guide nor the software may be copied in whole or part without written consent of Thunderware except in normal use of the software or to make a backup copy This exception does not allow copies to be made for others whether or not sold or for multiple copies to be used at the same time but all of the materials purchased with all backup copies may be sold given or lent to another person Under the law copying includes translating into another language or format or using multiple copies through a network Copyright 1987 1990 Thunderware Inc All rights reserved ThunderScan Thunderware and the Thunderware logo are registered trademarks of Thunderware Inc The following are trademarks of the companies indicated Apple ProDOS AppleWorks Mouse Paint and ImageWriter Apple Computer Inc DazzleDraw Brgderbund Paintworks Activision 8 16 Paint Baudville Inc DeluxePaint Electronic Arts Velcro Velcro USA Inc Acknowlegements Electronics Vic Bull Software Tom Mathews Dou
49. l the focus number is as high as it will go If you get a three digit number a number below 30 or if your computer makes a clicking sound consult the troubleshooting section in Chapter Four Reference Don t worry Using ThunderScan 37 38 Figure 3 9 The Prepare to Scan screen Chapter Three if the focus number flickers If the number is greater than 60 move the focus knob until the number is 60 The exact number varies with the quality and the color of the paper used in the original The important thing is to use the highest number that appears but not over 60 When the highest number is showing on the screen press to continue to the Prepare to Scan screen This screen provides last minute instructions to follow before scanning PRESS RETURN WHEN PRINTER IS READY PRESS lt ESC gt TO GO BACK TO MAIN MENU Starting the Scan Before you can scan the printer must be ready for scanning For the ImageWriter II replace the printer cover For the ImageWriter and Wide carriage ImageWriter make sure the scan key is in place e Turn on your ImageWriter and make sure the select light is on e Press A final screen reminds you to adjust your document to the top of the area to be scanned If you decide not to scan you can return to the Main Menu by pressing ESC When everything s ready to go Press Return The scanner will zip back and forth in the ImageWriter translating each point scanned to one of 1
50. lor or in a variety of color combinations To specify a single color Press Return to return to the Prepare to Print screen if necessary e Press M for Mode until you see the Halftone Line Art or Gray style you desire e Press C for Color until you see the color you want If you choose to print with your ImageWriter II using the COLORS mode your image can be printed in up to seven colors Using the ImageWriter II Color Filter you can assign each of the 16 gray shades a color Press M for Mode from the Prepare to Print screen until you see the colors mode Press F The ImageWriter II Color Filter appears Using ThunderScan 53 Chapter Three This filter gives you control over the appearance of your printout The ImageWriter II Color Filter works in the same way the filters work which control the appearance of an image on the screen To help you decide which colors to assign to gray shades you can use the Histogram and Reset options as outlined in other sections To achieve other color effects you may wish to use the printing options found in many painting programs Choosing a Density You can print your image at normal density or you can specify higher density printing to print at 50 reduction If you select High Density you ll get an image half the size 1 4 the size by area but double the resolution If you choose this option you may want to increase the brightness and lower the contrast of the im
51. m ud T in CHEGUDMPAERES r9 171 a ei ebe m itm ire SEE ipd 5 m IER Heb AC ERE DET Au uHREiEG Sur d 5 c B3 f E SHEER ES ii Tacha A prt GER puis ue xd aigeinn i SH e Be sr EN 1 SUR eina t OUR GERE t t EH a TE t te e 2 reir TINI DRE T Ei esl Ls Ut Laue BEES 1 E BI d EEE TE Ex Ez i ie e OPERI SS CIA ee Rte 8 7 ES uM MED He Er rE EEs eTA ua ein age E cP ERT annin a SHEESH Sua EDI PET Seite digs T pee Ft carts f fd hers ine Di RSS tg tet BHS zu oe ee e EEEE M EEREN fani Eann ck E ettet aia x B pk 3 ni a Pr Meret as BAL 25 E Sr erecta HER pi i feum p E Hug tur bn E P AU A ait NT n barn n t z YR streretsr tener metit UNE CE euis cus Te ee wt GF sms HEmBP a HE t 2 Bek tee ake MM a athens aang EET EE E A ALY Eror I Ee E AIA ER ERE m E Pe ae Med T Ead ered UU anes E ee ue eee taja b ek aes Tubs kg Figure 3 21 Grays photographed for more accurate reproduction Important Note When printed in the Halftone Mode some images may look slightly different from the way they appear on screen If at first you don t achieve a desired result use the contrast and brightness controls to alter the image to your satisfaction and then reprint it About Color Printing If you have an ImageWriter II and a color ribbon you ll be able to print your images in any single co
52. mage to print and change styles for printing ThunderScan prints images in three different styles halftone high contrast or gray The Halftone style is usually best for images that contain gray shades such as photographs The Line Art style is best for high contrast images with few or no gray shades Maps schematics and logos are examples of images that usually print best in the line art style The Gray style is usually best for low contrast images with a lot of interme diate gray shades ThunderScan directs the ImageWriter to make extra passes to create a layered effect for more accurate printing of gray shades Expect images printed in the gray style to appear darker For best results use a well used printer ribbon to compensate for the increased saturation of gray style printing If you re using an Apple IIe configured with an Apple Super Serial Card the Gray print driver may not print correctly to an ImageWriter I or Wide carriage ImageWriter The Gray print style should print correctly to an ImageWriter II printer Using ThunderScan 51 a 52 Figure 3 19 Figure 3 20 Line art Halftone Chapter Three You may wish to experiment with different printing styles to get the effect you desire The samples shown here illustrate the difference between printing styles E A E RA AA E AENEA LSE HE uF a Se aa Eri Ii RIS MR URES LAE E JURE m3 um E Eu ee n nl e Ead prieki ea iul ie PER A 2 Bia T 3
53. n Menu 16 Chapter Two To begin scanning insert the ThunderScan disk into Drive 1 and reboot your computer In a few seconds ThunderScan s Main Menu will appear THUNDERSCAN FOR THE APPLE VERT 2 N EW SCAN SJAVE SCAN ONLINE VOLUMES LJOAD FILE DISPLAY PJRINT IMAGE C ONFIGURE ENTER THE FIRST LETTER THEN PRESS RETURN TO ACCEPT The ThunderScan Main Menu lists commands that you can choose to perform different tasks To select from the available choices enter the first letter of the option As E select from the menu your choice is highlighted To activate the choice press f Inserting Something to Scan ThunderScan will scan documents correctly as long as they have an even white left margin of at least 1 4 inch along the entire left side of the page If a docu ment you want to scan does not have a sufficient white edge e Offset a piece of white paper behind your original so that a 1 4 inch white margin is created or e Photocopy your original so that it has a clean white left edge of 1 4 inch or e Select the Rough edge setting on the New Scan screen For this lesson use the tutorial image the picture of a train supplied in the ThunderScan package e Make sure that the printer is off and that all paper is removed from your ImageWriter e Set the release lever to the pin feed position to slide in the tutorial image easily your ImageWriter manual shows you how Figure 2 2 The Scan Select screen
54. n off line After you set the resolution mode edge quality scan quality and disk to hold the scanned image you re ready to scan The first step in the process is to focus your scanner on the original image you re going to scan Focusing Different images have different ranges of grays Focusing the scanner ensures the best response to each image You should refocus the scanner each time you scan a new item To begin e Press Return The Focus screen appears PLEASE FOLLOW THIS FOCUS PROCEDURE 1 MAKE SURE THE SCANNER IS INSTALLED PROPERLY IN YOUR IMAGEWRITER AND IS PLUGG PLES HIT lt RETURN gt WHEN THE HIGHEST NUMBER FOUND To focus the scanner e Make sure your ImageWriter is off Remove the cover if necessary and insert your original Look at your original where the scanner nose almost touches it you should see a red light shining onto your original That s the light beam that the scanner uses to record your image e Use the print head not the scanner itself to move the scanner until the scanner light is hitting the whitest portion of the area of the original which you wish to scan If the area for scanning doesn t have areas that are abso lutely white focus on the lightest area to be scanned Grasp the print head assembly of the printer rather than the scanner itself whenever you need to move the scanner e Find the focus knob on the top side of the scanner Roll it back and forth unti
55. ne 5 1 4 inch 36 61 two 5 1 4 inch 61 3 1 2 inch 36 60 E Edge option 35 Edge quality setting 35 Equipment making best use of 60 61 F File formats about 39 40 63 64 Deluxe Paint II 40 63 Paintworks Paint 40 63 Paintworks Screen 40 63 Scan Image 40 62 single screen 40 62 File size limitations 15 60 Filer 7 Filters about 45 47 assigned shades column 45 48 changing assigned shades 48 copying assigned shades 48 49 Double Res Color 46 Halftone Line Art Gray 45 46 ImageWriter II Color 53 54 palette column 45 48 resetting 49 Super Ultra Res Gray Color 46 47 Ultra Res Line Art 47 using to change shades 47 Focusing the scanner 20 21 37 38 problems 64 Format changing 32 choosing 31 32 defined 18 24 31 G Gray map 27 Gray shades actual 45 assigned 45 how recorded 18 45 palette 45 Index 69 H Halftone Line Art Gray Filter 45 46 Halftone mode 18 24 32 51 53 Hardware compatibility 61 62 High Density option 54 Histogram 49 50 I Images changing appearance on screen 24 inserting originals 16 17 28 29 loading an image from disk 42 43 negative 5 45 poor quality 58 59 seeing more of an 43 tips for better 57 58 too light or too dark 58 ImageWriter II prepare to scan 12 13 ImageWriter I Wide carriage ImageWriter prepare to scan 11 12 Important things to know about ThunderScan 6 Installing the scanner in the printer 8 10 J Jagged or uneven
56. nes how the gray shades appear or simulated colors if you have a LJENGTH 10 0 INCHES color monitor M JODE HALFTONE C OLOR BLACK To change the display mode to line art PRESS lt RETURN gt WHEN READY TO PRINT Figure 2 8 PRESS lt ESC gt TO GO BACK TO THE MAIN MENU e Press M for Mode until LINE ART appears If you have an Apple Ies The Prepare to you must change to the Ultra Res Double Res or High Res format before Print screen you can choose the Line Art mode e Press to see the result 24 Chapter Two Learning ThunderScan 25 Saving and Quitting Where to Go Next 26 Chapter Two The following chapter Using ThunderScan explains how to change the options on this screen For now you ll print using the standard options Chapter Three Using ThunderScan e Press and follow the instructions on the screen Your printer starts printing and soon you have your own scanned image of a train After printing is complete you should save the image The Save command permanently stores the temporary file that was created for the image during scanning To save e Press ESC to return to the Main Menu e Type S for Save Type TRAIN for the image name e Press to save the image After saving the image ThunderScan returns to the Main Menu That s it You ve finished the tutorial You re ready to begin scanning in earnest The next chapter Using Thunders can and the following one Reference
57. ness control setting Your image should look lighter The contrast control affects the range of grays in an image In a low contrast image you can t tell much difference between the darks and lights in a high contrast image everything is black or white You adjust the contrast control like the brightness control with the Right and Left Arrow keys e Press C to activate the contrast control e Use the arrow keys to change the setting Press to see the changes to the image If you have an Apple Iles you don t have to press The effects are instantaneous Go ahead and experiment with the brightness and contrast controls Move them up and down and see what happens When you re finished experimenting e Press B to see the controls again e Press N for Normal to reset brightness to zero and contrast to 100 Learning ThunderScan 23 e Press to see the effects Notice that the grays have disappeared and you have a line art version of the train e Press ESC to go to the Main Menu Congratulations You ve finished scanning an image and changing its appear Great You ve adjusted both brightness and contrast and seen the results of your ance Now you can print your image changes Now you re ready to change the way the image is displayed Changing the Way the Image Is Displayed Printing Begin by getting the printer ready for printing instead of scanning You can display an image in different modes For example you ve
58. ng a Mode 32 Using and Setting DPI 33 Determining DPI Settings in the Special Mode 34 Setting the Edge Quality 35 Setting the Scan Quality 35 Selecting a Disk to Store the Scanned Image 35 Identifying Newly Inserted Disks 36 Scanning an Image 37 Focusing 37 Starting the Scan 38 Pausing During a Scan 39 Stopping a Scan in Progress 39 Saving 39 As a Scan Image File 40 As a Screen File 40 Loading an Image from Disk 42 Working with a Scanned Document 43 Seeing More of an Image 43 Adjusting the Brightness and Contrast 44 Filters 45 Using Filters to Change Shades 47 Copying Assigned Shades 48 Resetting the Filter 49 Histogram 49 Rescanning 50 Printing 50 About color printing 53 Choosing a Density 54 Determining Location and Printout Size 54 Tile Printing 54 Stopping Printing Early 55 Quitting ThunderScan 55 Disconnecting the Scanner 55 Chapter Four Reference 57 Tips for Better Images 57 If You Have Problems 58 Images Too Light 58 Table of Contents Images Too Dark 58 Jagged or Uneven Lines 58 Poor Quality Images 59 scanner Not Responding 59 ocanner Will Not Move 59 No Focus Number 59 Low Focus Number 60 Three Digit Focus Number 60 scanner Scans Only White 60 Reversed or Double Images 60 Printing Problems 60 Heturning Your Scanner for Service 60 File Size Limitations 60 Making the Best Use of Your Equipment 60 3 1 2 Drives 61 Two 5 1 4 Drives 61 One 5 1 4 Drive 62 Hard Disk Drives 62 RAM Dis
59. o move the selection rectangle to the left and right e Hold down the or key and press the Right and Left Arrow keys To continue this lesson put the selection rectangle in its original position so it starts one half inch from the left edge of the page map extends to the right to the 6 1 2 inch point and extends down 3 1 2 inches Selecting a DPI for Scanning You can also adjust the size of the image by specifying how large to represent it on the screen Notice the number in the lower right corner of the screen for DPI This is the number of dots per inch that ThunderScan records When you increase DPI you increase magnification Higher magnification means that the image is larger so that less of an image can be seen on the screen at any one time Figure 2 5 The focus screen The dotted line rectangle shows you how big the computer screen is in relation to the image that s being recorded during the scan This rectangle becomes smaller as you increase DPI ThunderScan needs more area of the screen to show greater DPI When the dotted rectangle is smaller than the selection rectangle the entire image will not fit on the screen at one time To change the DPI e Hold down the or key and press the Up and Down Arrow keys Watch the size of the dotted line rectangle change as the DPI number changes For this lesson choose a DPI that makes the dotted line rectangle about the same size or a little smaller as the selected area s
60. o that the train image will fill your screen If you see the message CAN T SAVE SCAN reduce the DPI until the message disappears The chart below shows you the approximate DPI you should choose depending on the format you selected Format DPI HighRes 60 Focusing the Scanner The next step for scanning is focusing The scanner must be focused on your image before every scan To focus e Press The Focus screen appears with instructions you should follow PLEASE FOLLOW THIS FOCUS PROCEDURE MAKE SURE THE SCANNER IS INSTALLED ROPERLY IN YOUR IMAGEWRITER AND IS LUGGED INTO YOUR APPLE ME IZO rri o e J gt 34 HIT RETURN WHEN THE HIGHEST NUMBER FOUND The focus number on the screen tells you when the scanner is in focus Look at the image you re scanning where the scanner s nose almost touches it you can see a red light shining onto your original That s the light that the scanner uses to record your image during scanning If you are repeating a scan and the scanner is already focused press ESC to continue Make sure the printer and scanner are both hooked up to your computer If the printer is on turn it off e Ifyou re working with an ImageWriter II make sure the printer cover has been removed e Using the print head of the ribbon deck don t use the scanner itself move the scanner until the scanner s nose is pointing at the whitest area on the
61. oad image 42 Halftone line art gray filter 46 Double hi res color filter 46 Super ultra res gray color filter 47 Ultra res line art filter 47 Histogram 49 Prepare to print 51 68 Index Index A Accelerator cards 62 AppleWorks 5 B BASIC SYSTEM 31 62 Better images tips for 57 58 Brightness adjusting 23 24 43 45 C Can t save scan message 20 31 36 57 Caring for scanner 62 Central Point software 63 Changing the way the image looks on screen 24 Colors mode 19 33 53 54 Color about printing 53 54 about ThunderScan s 32 see Filters displaying on screen 47 50 Configure command 13 Configuring ThunderScan for your printer 13 14 Connecting the scanner to your Apple II 8 Contrast adjusting 23 24 43 45 CONVERT 63 Copy II Plus 63 D Dazzle Draw 5 62 DeluxePaint II 5 Density choosing a 54 Digitizing defined 27 Disabling print buffer IIcs 6 15 27 59 Disconnecting the scanner 6 55 Disk file size limitations 15 60 61 hard 61 identifying newly inserted disks 36 making a working copy of 7 RAM 31 36 61 Scanfile volume 19 35 selecting to store scanned image 19 35 61 space required for a Scan Image 30 31 60 61 Dithering 27 DOS 3 3 6 61 62 Dotted rectangle 20 34 Double Res Color Filter 46 DPI about 20 34 35 approximate settings for scanning 20 changing 20 for Special mode 34 formulas to calculate printing size 34 using and setting 33 34 Drives hard disk 61 o
62. of the screen compared to the size of the scanned image The size of the image is represented by the solid rectangle At larger magnifications only a little of the image will fit on screen so the dotted rectangle is smaller than the image size At lower magnifications more of the image will fit on the screen so the dotted rectangle may be larger than the image size The DPI control lets you specify how many dots on the screen to devote to each inch of your original You can make a scanned image the same size larger or smaller than the original image you re scanning depending on what you wish to do with it and on the amount of free space on the disk that will store the image The standard DPI setting is 125 which will result in a printout slightly larger than the original when printed with the ImageWriter at 72 DPI and about half the size when printed at 144 DPI Determing DPI Settings in the Special Mode If you wish to scan an image so it will print enlarged or reduced to a particular size use the Special mode A DPI setting of 72 DPI in the Special mode will yield a printout the same size as the original when printed at 72 DPI the ImageWriter s standard setting A DPI setting of 144 DPI in the Special mode will yield a printout the same size as the original when printed at 144 DPI the ImageWriter s highest quality setting If you wish to determine DPI settings for other sizes of printouts use the formulas below For 72 DPI
63. orks best with two 5 1 4 inch drives or one 3 1 2 inch drive The ThunderScan application and system files take up about two thirds of the disk If you have a single 5 1 4 inch drive you can only save smaller images To make more room delete the file BASIC SYSTEM from your working disk Taking Care of Hard Disk Drives Your Scanner ThunderScan works with most ProDOS compatible hard disks If you want to scan large documents at high magnifications a hard disk will make things much easier To move ThunderScan to your hard disk create a new directory and copy all the files on the ThunderScan disk except ProDOS and BASIC SYSTEM to the new directory When you want to run ThunderScan you must use the PREFIX command to set the system prefix to the directory containing ThunderScan s files Then start ThunderScan by typing TS RAM Disks If you have a RAM disk you should use it as the SCANFILE volume when you scan This makes scanning and displaying images significantly faster than any other kind of disk Don t forget to copy the file toa floppy disk using a utility program like filer before shutting off your computer File Formats ThunderScan runs using Apple s ProDOS operating system Disks and RAM disks that are ProDOS compatible should work with ThunderScan Printer Cards ThunderScan is designed to recognize and work with the standard printer port on the Apple IIc IIc Plus and IIcs and with Apple s Super Serial Card on th
64. ou have the Images more proficient you become Even though ThunderScan is easy to use there are a lot of variables that can affect the appearance of images The following reminders and guidelines should help you on your way to mastering Thunder Scan e Be sure to follow the focus procedures carefully e Higher quality originals mean better scanned images This even applies to photocopies All are not equal Use the best originals available e For best scan quality choose originals with straight white left margins of at least 1 4 inch which extend down the full length of the page or offset a piece of white paper behind your original to create a white edge of at least 1 4 inch e Colors in the original will be recorded as shades of gray Warm colors like reds oranges and yellows will be lighter shades Cool colors like greens blues and purples will be darker shades e Folds and wrinkles in the original may show up as dark lines Try making photocopy of the original and using correction fluid to cover the lines left by the fold or wrinkle e Images too small to roll reliably through the ImageWriter can be taped or pasted to a larger piece of paper Be sure it s attached so that it stays flat Or get a sheet of matte acetate available at art supply stores Tape a small original to the glossy side of the acetate and scan the original through the dull side e Some materials may be too thick to roll through your ImageWrit
65. per against the platen Plug the cable from the scanner into the mouse port if you have an i e Take the ThunderScan cartridge in both hands and with the nose of the Apple IIc or IIc Plus or the game port if you have an Apple Ie or Apple cartridge pointed toward the platen and angled slightly down so it doesn t IIcs Tighten the thumbscrews on the connectors so they don t come loose bump into the roller shaft guide it onto the ribbon deck See Figure 1 2 Installing the When you want to scan a document you simply insert the scanner in your ImageWriter instead of a ribbon cartridge These instructions show you how to in th i i i Scanner in the install the scanner After you ve done it a few times you ll find that it only takes Printer a few seconds to get your printer ready to scan The scanner itself resembles a printer ribbon cartridge with a cable attached See Figure 1 1 The eye of the scanner is in the nose of the cartridge It may look off center but it s designed that way Don t worry about it Velcro to attach cable to scanner on an ImageWriter or Wide carriage ImageWriter Focus Knob Figure 1 2 Installing the scanner Snap the scanner firmly into place The two ribbon cartridge retainers should snap into the notches on the sides of the ThunderScan cartridge If your scanner won t click into place completely make sure it isn t caught on something Fi m Important Note Important dace es You may caus
66. press the Left or Right Arrow keys Choosing the Format The Format determines how an image appears on your screen Different formats represent an image with different numbers of dots called pixels for picture elements on the screen For the Apple IIc and IIc Plus and most Apple IIe computers High Res and Double Res formats are available The Apple IIcs has Ultra Res and Super Res as weil Each format shows a different number of gray shades from 2 black and white up to 16 Some monitors will display color too Using ThunderScan 31 32 Figure 3 5 Formats for each Apple II model Chapter Three The format you choose depends on whether you wish to display and print your scan directly from ThunderScan or save it for use with other applications as well on the model and memory of your computer The chart below shows the formats available for each Apple II model Apple Display Format Model Resolution Shades High Res All models 280 X 192 Double Res All models 560 X 192 B amp W 140 X 192 16 colors Super Res llas only 16 grays or colors Ultra Res 640 X 200 4 grays or colors Important Note ThunderScan s color is simulated rather than true color When you scan a colored original with ThunderScan it is translated into 16 gray shades and a shade of green and a shade of blue may appear as the same shade of gray to the scanner However it can represent each of the 16 gray shades as a different color on
67. printed with the Halftone printing mode Copyright 1982 Guy Coheleach Used by permission
68. r Scan disk if you re running with a single 5 1 4 drive you ll need to make a disk for every scan you make since only a small scan will fit on the ThunderScan disk Use the working copy for day to day use and put your master disk away in a safe place To do this use any utility program like Apple s System Utilities or Filer Installing ThunderScan 7 Connecting the ThunderScan and your printer are connected to different ports on your computer To install the scanner in the printer follow these steps Scanner to Your Tre ImageWriter plugs into your printer port for the Apple IIc Ic Plus and Apple IIcs or your printer card for the Apple IIe The scanner plugs into the _ Make sure both your printer and your computer are turned off Apple Il game port the port you would use to connect joysticks for computer games or a mouse on a IIc or IIc Plus You should disconnect the scanner after every use e Remove the printer cover and set it aside To connect the scanner to an Apple II Gently move the print head assembly to the middle of the carriage Take out the ribbon cartridge and set it aside e Make sure your computer is turned off e Ifyou have an ImageWriter I or Wide carriage ImageWriter make sure the e If you have a mouse joystick or other device connected to the game roller shaft on the printer is against the platen The roller shaft sometimes port disconnect it called the paper bale holds the pa
69. r scan as a Scan Image Follow the instructions on the screen If you don t wish to focus again you may press ESC at the focus screen ThunderScan offers many options for printing on your ImageWriter Before printing an image you must load a Scan Image file or perform a new scan first To print with an ImageWriter e Make sure you ve disconnected the scanner and replaced it with a ribbon cartridge Insert paper into your printer e If you have an ImageWriter II adjust the paper thickness lever to the proper position for printing e Goto the Display screen and use the arrow keys to position the image on the screen The upper left corner of the screen will be the upper left corner of your printout If you want to print the entire image use the arrow keys to move to the upper left corner You ll know you ve reached an edge when your Apple beeps e Make sure you ve adjusted the image to your satisfaction with the contrast and brightness controls e Press ESC to go to the Main Menu e Type P for Print and press l The Prepare to Print screen appears PREPARING TO PRINT AN IMAGE ILTER ENSITY NORMAL 72 DPI DNDENT 0 0 INCHES W IDTH 8 0 INCHES LENGTH 10 0 INCHES M ODE HALFTONE C OLOR BLACK PRESS RETURN WHEN READY TO PRINT PRESS ESC TO GO BACK TO THE MAIN MENU The Prepare to Print screen lets you change the filter for printing select the print density specify a location on your page for the i
70. res 200 blocks will take up 100K of a disk A standard 5 1 4 floppy disk stores 280 blocks An 3 1 2 disk stores 1600 blocks A hard disk stores even more When there s not enough room on a disk the message CAN T SAVE SCAN is highlighted at the bottom of the screen You may be able to eliminate this message in several ways Reduce the size of the selection rectangle Change the format or reduce the DPI e Switch to another disk with more space available on it e Delete the file BASIC SYSTEM from the ThunderScan disk if you re saving to the ThunderScan disk If you have a RAM disk volume use it as the Scanfile volume Because Thunder Scan writes the image file to disk while scanning a RAM disk will speed up the process The next few sections explain how to do each of these tasks Selecting an Area to Scan Use the page map to select an exact area of your original for scanning You may want to measure the original image with a ruler before putting it in the printer That will help you determine an area for scanning more accurately To select an area to scan e Use the arrow keys to expand or contract the selection rectangle over the area you want to scan The selection rectangle expands as you press the Right and Down Arrow keys It contracts when you press the Left and Up Arrow keys The rulers show the area selected in inches e To move the entire selection rectangle left or right hold down the or key as you
71. riter Then the scanner begins to move back and forth and the image starts to appear line by line on the screen Here s what you should see when the scanner stops scanning Your computer will beep three times to let you know when it s finished scanning The image of the train might be too light or dark for your liking Don t worry you ll be able to change it later using the brightness and contrast controls Scanning is just the beginning of what you can do with ThunderScan You can change the brightness or contrast of an image and produce unusual effects Changing Brightness and Contrast You can adjust the brightness and contrast to change the way your image appears on the screen ThunderScan s brightness and contrast controls are similar to the controls on a television set To increase the brightness of your image e Press B for Brightness The contrast and brightness controls appear at the bottom of the screen The letters serve as sliders for the controls You operate the sliders with the Left and Right Arrow keys e Press the Right Arrow key four times to slide the B brightness control a little to the right Notice that each time you press the Right Arrow key you increase the brightness by one point To see the effect of the change on your image e Press If you have an Apple IIcs you don t have to press The effects are instantaneous ThunderScan redraws the image line by line according to the new bright
72. s you move the highlighting through the shades of the palette the setting of the assigned shade changes To change another shade use the Left Arrow to activate the Assigned Shades column once more and repeat the above procedure Copying Assigned Shades If you want the image to appear in just a few shades for a posterized effect you can copy shades instead of changing each assigned shade individually To copy an assigned shade e Activate the Assigned Shades column and select the shade you wish to change by highlighting it with the Up or Down Arrow keys Figure 3 17 The Histogram screen e Activate the Palette column by pressing the Right Arrow key and selecting the first shade you want to copy e Use the left arrow key to return to the Assigned Shades column Hold down the or key and press the Up Arrow to copy up or the Down Arrow to copy down Each time you press the Up or Down Arrow key you copy the selected palette shade to the adjacent assigned shade Resetting the Filter If you decide you don t like your changes to a filter you can reset it to normal To reset a filter e Press R for Reset The assigned shades become the same as the actual shades once again If you re using the Super Res or Ultra Res format pressing R more than once will cause a filter to alternate between standard settings for gray shades and color Histogram ThunderScan s histogram shows what percentage of each shade is present in
73. st the way that shades of gray and colors are displayed on the screen by assigning alternate shades from the palette First choose the filter you want then adjust the assigned shades The histogram see Histogram below can help you decide which shades to assign You can look at the filters when you are displaying an 1mage To see the filter for your format and mode e Press F for Filter Using ThunderScan 47 Chapter Three You can choose new gray shades or colors from the palette to represent the actual gray shades recorded for an image The instructions for changing the shades are the same for all filters To select the shade you wish to change you must first make sure the Assigned Shades column is activated by highlighting the Assigned column head e If the column head is not already highlighted press the Left Arrow key You may now proceed to select a shade to change You select a shade by highlighting it e Press the Down and Up Arrow keys to move the highlighting up and down in the Assigned Shade column Once you ve highlighted a shade you can change it The currently assigned shade is highlighted in the palette You can select a different shade from the palette to represent the assigned shade To select a different shade from the palette e Press the Right Arrow to activate the Palette column The column head will be highlighted e Press the Up or Down Arrows to select a different shade A
74. t It can be used with painting programs like DeluxePaint II The following section explains how to save a ThunderScan image in both the Scan Image and Screen File formats Although you can save an image as a screen save please remember that ThunderScan can open only Scan Image files Saving as a Scan Image Scan Image files are saved through the Save Scan option on the Main Menu To save as a Scan Image e Press ESC to return to the Main Menu e Type S for Save and press Type in the file name and press ThunderScan saves the file on the volume you specified in the Scan Select screen Since the image was actually saved on disk while scanning the file is renamed and not saved so this process is very quick Saving a Screen File Load or create a Scan Image e Press D for Display in the Main Menu and press e Choose the proper format and mode refer to the chart on the enclosed Quick Reference Card for more information Press and allow the screen to fill with the image Figure 3 10 The Screen Save screen Use the arrow keys to position the image Use the contrast brightness and filter controls to fine tune your image Press S for Save The Screen Save screen appears SAVE THE CURRENT SCREEN AS A FILE ENTER THE FILE PATHNAME AND THEN PRESS RETURN PRESS ESO TO CANCEL Type a slash followed by a full pathname The name of the screen file must be different than the nam
75. tice dust gathering inside the opening in the front of the scanner use a cotton swab to gently brush out the dust If you accidentally get dirt or a fingerprint on the lens in the nose dampen a cotton swab with glass cleaning or lens cleaning fluid and gently wipe it off Scan Image Files Scan Image files are the only files ThunderScan software will load For more information on the Scan Image file format contact our Technical Support team at the address listed on the back of this manual Screen Files Screen files are binary representations of a screen Screens may be saved as either simple High Res screens or Double Res screens depending on the format displayed before saving High Res screens can be used by programs that work with High Res images such as MousePaint and Double Res screens can be used with programs that work with Double Res images like Dazzle Draw The following file formats are available for Apple IIcs users only You must display your image in Super Res or Ultra Res to save in these formats e Paintworks File Paintworks Plus files are stored as C1 files single screen or C files paint or double screen Any program that can work with C1 or C files can open these images directly e DeluxePaint II File DeluxePaint II files are stored in the Apple preferred format for Apple Ics images Any program that can work with images in Apple preferred format can use these files Reference 63 Aux Typ

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