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H P S C R E E N 3.0 page 1 ════════════════════════════════════════════════════════════════════════════ (C) Copyright Hewlett-Packard Company 1990 Table of Contents page 1. INTRODUCTION 3 1.1. General Information 3 1.2. What you should know 4 1.2.1. EGA and CGA User 4 1.2.2. Windows User 4 1.2.3. DOS 4.0 4 1.2.4. 43 Row Mode 4 1.2.5. Requirements 4 1.2.6. Printer Mode 4 1.2.7. DOS GRAPHICS Command Conflict 5 2. INSTALLATION 5 2.1. Installation on a flexible disk 5 2.2. Installation on hard disk 5 3. OPERATION 6 3.1. Starting HPSCREEN 6 3.2. Screendump 7 4. CONTROLLING HPSCREEN 8 4.1. Main Menu 8 4.2. Submenu HPSCREEN 9 4.3. Submenu Printer 9 4.4. Submenu Printer Output 9 4.5. Submenu Display Mode 10 4.6. Submenu Paper Size 11 4.7. Submenu Aspect Ratio 11 4.8. Submenu Print Size 12 4.9. Submenu Orientation 12 4.10. Submenu Background 13 4.11. Submenu Color 14 4.12. Submenu Top Offset 15 4.13. Submenu Left Offset 15 4.14. Submenu Hardcopy Spacing 15 4.15. Submenu Symbolset 16 4.16. Submenu Font 16 4.17. Submenu Hardcopy Eject 16 4.18. Submenu Hardcopies 16 4.19. Save Configuration 17 4.20. Load Configuration 18 4.21. Batch Processing with HPSCREEN 18 ════════════════════════════════════════════════════════════════════════════ H P S C R E E N 3.0 page 2 ════════════════════════════════════════════════════════════════════════════ Table of Contents page 5. DISPLAY SPECIALS 19 5.1. General 19 5.2. VGA 19 5.3. EGA 19 5.4. Hercules 19 6. PRINTER SPECIALS 20 6.1. General 20 6.2. LaserJet 20 6.3. DeskJet 20 6.4. PaintJet 20 6.5. QuietJet 20 6.6. ThinkJet 20 6.7. Ruggedwriter 21 7. TECHNICAL INFORMATION 21 7.1. General 21 7.2. Display Modes 21 7.3. Ordered Dithering 24 7.4. Funny Patterns 24 8. PALETTE 24 ════════════════════════════════════════════════════════════════════════════ H P S C R E E N 3.0 page 3 ════════════════════════════════════════════════════════════════════════════ 1. INTRODUCTION 1.1. General Information HPSCREEN is a software utility which supports screendumps from HP Vectra, IBM PC/XT/AT/PS2 and 100% Vectra compatibles. HPSCREEN is a memory resident program. Its memory need is 43KByte. The standard versions of the following display adaptors are supported: VGA (Video Graphics Array) EGA (Enhanced Graphics Adaptor) MCGA (Multi Color Graphics Adaptor) CGA (Color Graphics Adaptor) MDA (Monochrome Display Adaptor) HGC (Hercules Graphics Adaptor) MMC (Multi Mode Card) The following printers are supported: LaserJet Series II, IID, IIP and III LaserJet, LaserJet+, Laserjet 500+ and LaserJet 2000 DeskJet and DeskJet+ PaintJet and PaintJet XL QuietJet and QuietJet+ ThinkJet RuggedWriter Features of HPSCREEN 3.0: Automatic detection of the installed display adaptor Automatic detection of the current display mode Hardcopies of various display adaptors Variable sizing and positioning of the hardcopy on paper Rescaled hardcopies Rotation of the hardcopy Various designs of the hardcopy Color hardcopies on HP PaintJet/XL Printing colors by using gray shades on black and white printers 80 (instead of 77) columns for a text hardcopy "Hot key" menu driven This software is not guaranteed to function in every application or with non-standard hardware and software. This utility should not be used with similar utilities obtained elsewhere. Hewlett-Packard does not assume any warranty or liability whatsoever. Trade Marks The following companies own trade marks mentioned in this document: IBM INTERNATIONAL BUSINESS MACHINES MICROSOFT HERCULES ════════════════════════════════════════════════════════════════════════════ H P S C R E E N 3.0 page 4 ════════════════════════════════════════════════════════════════════════════ 1.2. What you should know 1.2.1 Graphic Program User If you want to use a graphic program we recommend to configure HPSCREEN in the following way: BEFORE starting the graphic program from the DOS level call the HPSCREEN menu by the "hot key", configure HPSCREEN, leave the HPSCREEN menu and then start your application program. If you call the HPSCREEN menu DURING a graphic program session, it may occur that your screen will not be restored properly after leaving the HPSCREEN menu. 1.2.2. Windows User If you want to use the "hot key" menu during the window session, you have to start HPSCREEN with the following parameter on the commandline: HPSCREEN /WIN ─┘ Without this parameter you cannot popup HPSCREEN during a window session. If you have installed HPSCREEN with the /WIN parameter you can popup while running a window application but you MAY NOT use the mouse while the "hot key" menu is active! If you do so, first the HPSCREEN menu will be destroyed, then the top of your window screen will also be destroyed. Your mouse pointer will also shown twice. 1.2.3. DOS 4.0 DOS 4.0 stores all keystrokes during a screendump operation. Therefore you can not cancel the screendump by <ESC>. 1.2.4. 43 Row Mode HPSCREEN does not support the 43 row mode. Do not use the "hot key" menu. 1.2.5 Requirements To use HPSCREEN you need a HP Vectra, IBM PC/XT/AT/PS2 or 100% compatible computers, DOS version 2.0 or later. 1.2.6. Printer Mode Some HP printers understand two types of printer control languages (PCL resp. Alternate Mode). HPSCREEN supports ONLY the PCL mode. Therefore you have to configure your printer as a PCL printer. Please refer to your printer manual. ════════════════════════════════════════════════════════════════════════════ H P S C R E E N 3.0 page 5 ════════════════════════════════════════════════════════════════════════════ 1.2.7. DOS GRAPHICS Command Conflict The HPSCREEN utility replaces the function of the DOS GRAPHICS command. The GRAPHICS command does not work on the HP printers. If the GRAPHICS command is executed after HPSCREEN utility is loaded, it will disable the utility. 2. INSTALLATION 2.1. Working copy First make a working copy of the HPSCREEN disk supplied. For help, follow the instructions in your DOS manual. Make sure you work only with the working copy. 2.2. Installing HPSCREEN HPSCREEN disk contains an installation program which executes all the required installation operations. 2.2.1. Installation on a flexible disk - Insert the HPSCREEN disk in drive A: - Type A: and press <Enter> - Type Install and press <Enter> - Follow the instructions of the installation program The installation program copies HPSCREEN.EXE and PALETTE.EXE into the subdirectory of your choice. The installation program also provides the possibility to print the manual on every HP printer in PCL mode. 2.2.2. Installation on the hard disk We recommend to use a subdirectory for HPSCREEN ; i.e., C:\HPSCREEN, on the hard disk. - Insert the HPSCREEN disk in drive A: - Type A: and press <Enter> - Type Install and press <Enter> - Follow the instructions of the installation program The installation program copies HPSCREEN.EXE and PALETTE.EXE into the desired subdirectory. The installation program also provides the possibility to print the manual on every HP printer in PCL mode. ════════════════════════════════════════════════════════════════════════════ H P S C R E E N 3.0 page 6 ════════════════════════════════════════════════════════════════════════════ 3. OPERATION 3.1 Starting HPSCREEN Start HPSCREEN by typing in at the DOS level: HPSCREEN [configurationfile] [/WIN] ─┘ The parameters in square brackets [] are optional. Option Explanation configuration- is a file created by the function file "Save Configuration" (refer to 4.19. to 4.21.). The parameters saved in this file are transferred to HPSCREEN. HPSCREEN is now configured as the configuration file. The default filename is HPSCREEN.CFG. HPSCREEN automatically checks the current directory for this file and loads it. /WIN this option is necessary to popup the HPSCREEN menu during a window session. Please refer to 1.2.2. Example 1 HPSCREEN ─┘ HPSCREEN scans in the current directory for the file HPSCREEN.CFG. If the file exists the saved configuration in HPSCREEN will be tranferred to HPSCREEN. Example 2 HPSCREEN MY-CONF.CFG ─┘ HPSCREEN loads the configuration of the file MY-CONF.CFG. ════════════════════════════════════════════════════════════════════════════ H P S C R E E N 3.0 page 7 ════════════════════════════════════════════════════════════════════════════ 3.2. Screendump To start the screendump press <Shift PrtSc> or <PrtSc> on IBM PS2 systems. HPSCREEN will become active and makes a short beep to announce that it will start the screendump. HPSCREEN will read the data from the screen, will process it and then send the data to the printer. If you make a full scale screendump of a graphic screen on a LaserJet printer it may take time up to 20 minutes to transfer all the data. Because HPSCREEN has to calculate before printing, it may happen that the data transfer starts after some seconds (1 to 5). Press the <Esc> key on your computer if you wish to stop your printer before your screen image is completly printed. The Esc key stops the utility from sending screen data to your printer. Printing will stop when the data that has already been sent is finished printing. ════════════════════════════════════════════════════════════════════════════ H P S C R E E N 3.0 page 8 ════════════════════════════════════════════════════════════════════════════ 4. CONTROLLING HPSCREEN The data sent to the printer depends on the configuration of HPSCREEN. To control the configuration, HPSCREEN provides a "Hot Key" menu. The possibility to configure HPSCREEN allows you to design your hardcopy. 4.1. Main Menu The menu for controlling HPSCREEN can be invoked by simultaneously pressing the keys <ALT> and <+> (plus key in the numeric keyblock) You may not call the HPSCREEN menu during the period when your software draws its screen contents. Wait until your screen is drawn. It is recommended to invoke the menu only at the DOS level. ┌─────────────── HPSCREEN Release 3.00 ──────────────╖ │HPSCREEN Active ║ │Printer LaserJet Series II ║ │Printer Output LPT1: ║ │Display Mode Automatic ║ │Paper Size A4 ║ │Aspect Ratio No Rescaling Pixel 1:1 ║ │Print Size Default ║ │Orientation Portrait ║ │Background Normal ║ │Color Disabled ║ │Top Offset Default ║ │Left Offset Default ║ │Spacing Default ║ │Symbolset Default ║ │Form Feed Yes ║ │Copies [ 1] Copies ║ ╘═════════════════════════════════════════════════════╝ move bar Select by ─┘ Exit window by Esc S/L Save/Load Configuration The screendump can be canceled during operation by pressing Esc If you want to change the settings, select the corresponding submenus. Use the cursor keys to move the highlighted bar up and down. The marked option is selected by pressing <Enter>. The selected submenu will then appear. ════════════════════════════════════════════════════════════════════════════ H P S C R E E N 3.0 page 9 ════════════════════════════════════════════════════════════════════════════ 4.2. Submenu HPSCREEN Option │Explanation ───────────────┼──────────────────────────────────────────────────── Active │HPSCREEN is activated │ Inactive │HPSCREEN is deactivated and remains in memory 4.3. Submenu Printer Option │Explanation ───────────────┼──────────────────────────────────────────────────── LaserJet II │HPSCREEN takes into account the various LaserJet III │features of the printers. For this reason LaserJet IID │not all functions are applicable or make LaserJet IIP │sense for every printer (i.e. color printing LaserJet 2000 │with LaserJet). LaserJet+ │ LaserJet 500 │ LaserJet │ DeskJet │ DeskJet+ │ PaintJet │ PaintJet XL │ QuietJet │ QuietJet+ │ ThinkJet │ RuggedWriter │ 4.4. Submenu Printer Output Option │Explanation ───────────────┼──────────────────────────────────────────────────── LPT1: │HPSCREEN will be only active on the selected LPT2: │printer port. LPT3: │ COM1: │ COM2: │ COM3: │ File: │HPSCREEN will send all its output to a named file │instead of a selcted printer port. │If you select this option you will be prompted │to enter a filename. The filename must be a │valid DOS filename. HPSCREEN will beep when │the screendump is completed. │ │After the file has been created, the file can be │printed by typing in at the DOS level: │ │COPY /B FILENAME PRN │ │You cannot save the HPSCREEN menu itself into a file. │ ════════════════════════════════════════════════════════════════════════════ H P S C R E E N 3.0 page 10 ════════════════════════════════════════════════════════════════════════════ 4.5. Submenu Display Mode Most of the display adaptors can identify different display modes, text modes and graphics modes e.g.. If you have a VGA display adaptor, HPSCREEN automatically detects the right display mode for generating the printout. Usually this also works for the other display adaptors. But for technical reasons there are a few cases where HPSCREEN is not able to find the right display mode. In these cases, you can enter the correct mode manually. If your printout is wrong because of the above reason it is necessary to leave your application program, and call the HPSCREEN menu at the DOS level, then change the display mode to the right one, then restart your application program and to start the screendump again. Please refer to section 7. There are the different display modes explained. Option │Explanation ───────────────┼──────────────────────────────────────────────────── Automatic │HPSCREEN will automatically find (if possible) │which display mode is active. │ Other │HPSCREEN will use the selected mode for the │screendump │ │ │Example 1: │ │EGA user and mode 16 (640 x 350, 16 colors) │ │Call the HPSCREEN menu at the DOS level! │Select mode 16 │Leave the HPSCREEN menu │Start your application program │Start the screendump │Leave your application program │Call the HPSCREEN menu at the DOS level! │Select "Automatic" to reset HPSCREEN │ │Example 2: │ │Hercules user and display page 1 │ │Call the HPSCREEN menu at the DOS level! │Select mode 5, page 1 │Leave the HPSCREEN menu │Start your application program │Start the screendump │Leave your application program │Call the HPSCREEN menu at the DOS level! │Select "Automatic" to reset HPSCREEN │ ════════════════════════════════════════════════════════════════════════════ H P S C R E E N 3.0 page 11 ════════════════════════════════════════════════════════════════════════════ 4.6. Submenu Paper Size Specify the paper size present in the HP printer. This option is only valid for HP LaserJet 2000, QuietJet+ and PaintJet XL. Option │Explanation ───────────────┼──────────────────────────────────────────────────── A4 │A4 paper size │ A3 │A3 Paper size │Orientation of the paper: │ │LaserJet 2000 QuietJet+ │PaintJet XL │┌────┐ ┌──────┐ ││ │ │ │ ││ │ └──────┘ │└────┘ 4.7. Submenu Aspect Ratio All graphics consist of a pattern of pixels. The pixel size of the screen (except 3 VGA modes) are different compared to the pixel size of the HP printers. If you convert each pixel one to one, you obtain a different size and shape of the graphic. As a result, graphics in the pixel-for-pixel (Not Rescaled) mode will be shown about 20% smaller (in the vertical axis) on the HP printer. Option │Explanation ───────────────┼──────────────────────────────────────────────────── No Rescaling │The graphics pixels are printed one to one. (Pixel 1:1) │Circles may be distorted into ellipses. │ │ Rescaling │The varying graphics resolutions of the │screen and the printer are compensated. │Circles remain circles. This will be done by │duplicating dots. It may happen that patterns │are changed by this method. ════════════════════════════════════════════════════════════════════════════ H P S C R E E N 3.0 page 12 ════════════════════════════════════════════════════════════════════════════ 4.8. Submenu Print Size Use the submenu "Print Size" when you want to reduce or enlarge the size of your printout. The minimum value is 30 mm. The maximum value depends on the paper size, orientation and the printer. All values are in mm. You can define either the "Print Width" or either the "Print Height". If you have selected e.g. "Print Width" the "Print Height" is calculated automatically. You can not define both values independently. The default value depends on the screen mode and the printer you have selected. Option │Explanation ───────────────┼──────────────────────────────────────────────────── Default │HPSCREEN selects a default size. │ Print Width │You are asked for the print width. │ Print Height │You are prompted for the print height. 4.9. Submenu Orientation Use Orientation to orient text and graphics on the page. ┌─────────┐ │ ** │ Screen │ **** │ └─────────┘ Option │Explanation ───────────────┼──────────────────────────────────────────────────── Portrait 0° │┌─────┐ Text and graphics are printed ││ ** │ in portrait orientation. ││**** │ ││ │ │└─────┘ │ Landscape 90° │┌─────────┐ Text (if possible) and graphics ││ ** │ are printed in landscape orientation. ││ **** │ │└─────────┘ │ Portrait 180° │┌─────┐ Only graphics are printed in portrait ││ │ 180° orientation. ││ ****│ ││ ** │ │└─────┘ │ Landscape 270° │┌─────────┐ Only graphics are printed in landscape ││ **** │ 270° orientation. ││ ** │ │└─────────┘ ════════════════════════════════════════════════════════════════════════════ H P S C R E E N 3.0 page 13 ════════════════════════════════════════════════════════════════════════════ 4.10. Submenu Background Use background "Reversed" to reverse the foreground and background colors on your printed output compared to the colors displayed on your monitor. For example, if your monitor displays white lines on a black screen, use "Reversed" to print black lines on a white page. Use Background color "Normal" to print the screen as you see it. Background "Reversed/Normal" affects graphics output only. All other colors remain unchanged. The background of text modes cannot be printed. ┌─────────┐ │█▄█▄█▄█▄█│ Screen picture │█▀█▀█▀█▀█│ └─────────┘ Option │Explanation ───────────────┼──────────────────────────────────────────────────── Reversed │The darkest screen color is reversed with the │lightest screen color. │┌─────────┐ ││ ▀ ▀ ▀ ▀ │ printout ││ ▄ ▄ ▄ ▄ │ │└─────────┘ │ Normal │The screen is printed with the colors as you see them │┌─────────┐ ││█▄█▄█▄█▄█│ printout ││█▀█▀█▀█▀█│ │└─────────┘ ════════════════════════════════════════════════════════════════════════════ H P S C R E E N 3.0 page 14 ════════════════════════════════════════════════════════════════════════════ 4.11. Submenu Color This submenu is only valid for HP PaintJet and PaintJet XL. The other printers are black and white printers, they cannot print colors. Option │Explanation ───────────────┼──────────────────────────────────────────────────── Disabled │Select "Color Disabled" if you want black and │white output. │ Enabled │Select "Color Enabled" if you want color output. │ User Defined │The colors of the following display modes can be │redefined. │ │EGA and Colors Vertical Horizontal │VGA Mode Resolution Resolution │ 13 16 200 320 │ 14 16 200 640 │ 16 16 350 640 │ │These display modes have 16 different logical colors │(numbers). Logical colors, because they will be │assigned to physical (visual) colors later. │HPSCREEN uses a default assignment of logical │and physical colors. │In case HPSCREEN can not read the right colors │for technical reasons (EGA problem), the user has the │possibility to select the colors with the help of │this menu. The PaintJet printer has a possible │330 different colors. You can view the colors by │using the following steps: │ │PaintJet: Start the printer and at the same time │(Selftest) press the key "Linefeed". This starts │ the selftest which prints the 330 colors. │ │PaintJet XL: Start the program: │ PALETTE.EXE ─┘ │ This program has the same function as │ the PaintJet selftest. │ │The colors are divided into rows and columns, and are │defined by two numbers. │ │Example: │If you want to assign to the screen color 3 the │printer color yellow (15,4) you have to select │color 3: │The cursor moves to the field "Row". │Press 15 ─┘ │The cursor moves to the field "Column". │Enter 4 ─┘ │ │As a result, the screen color 3 will be printed │yellow on the PaintJet printer. │ ════════════════════════════════════════════════════════════════════════════ H P S C R E E N 3.0 page 15 ════════════════════════════════════════════════════════════════════════════ 4.12. Submenu Top Offset Use the submenu "Top Offset" to set the vertical offset from the left top corner of the page to the origin of your printout. The minimum value depends on the orientation and the printer. All values are in mm. This menu is not available for all printers. Option │Explanation ───────────────┼──────────────────────────────────────────────────── Default │HPSCREEN selects a default value. │ Top Offset │You are prompted for the top offset. 4.13. Submenu Left Offset Use the submenu "Left Offset" to set the horizontal offset from the left top corner of the page to the origin of your printout. The minimum value depends on the orientation and the printer. All values are in mm. This menu is not available for all printers. Option │Explanation ───────────────┼──────────────────────────────────────────────────── Default │HPSCREEN selects a default value. │ Left Offset │You are prompted for the left offset. 4.14. Submenu Hardcopy Spacing This submenu is important for LaserJet printers only. The LaserJet printers print with 10 cpi, meaning that only 77 characters per line can be printed. You have the option, with 10.5 cpi, of slightly lessening characters spacing so that 80 characters can be printed per line. Option │Explanation ───────────────┼──────────────────────────────────────────────────── Default │The hardcopy is printed using the current │character spacing. │ 10.5 cpi │Any settings in the printer are retained. │Proportional typefaces are then printed in │10.5 cpi spacing. Limitations: The line draw symbols have been conceived for character spacing 10 cpi. Because of this, displacements may arise if other cpi values are used. ════════════════════════════════════════════════════════════════════════════ H P S C R E E N 3.0 page 16 ════════════════════════════════════════════════════════════════════════════ 4.15. Submenu Symbolset Usually your text screen is displayed in the PC8 symbolset. When you start the screendump your printer may be configured to any other symbolset. In this case some of the characters are printed out wrongly. To avoid this, select symbolset "PC8". Then the printer is programmed to the PC8 symbolset. Option │Explanation ───────────────┼──────────────────────────────────────────────────── Default │The symbolset in the printer is not changed. PC8 │The symbolset is turned to PC8 PC8/DKN │The symbolset is turned to PC8 / DKN │ (PC8 symbolset for Denmark and Norway) Roman8 │The symbolset is turned to Roman8 4.16. Submenu Font Use submenu "Font" when you want a text hardcopy with a desired font. HPSCREEN will print the text on your screen using the selected font Option │Explanation ───────────────┼──────────────────────────────────────────────────── Default │The font in the printer is not changed. Courier 12pt │The font Courier 12pt 10cpi is selected. Courier 10pt │The font Courier 10pt 12cpi is selected. 4.17. Submenu Hardcopy Eject Use Hardcopy Eject after printing to advance paper to a clean page or to continue printing on the same page. Using Hardcopy Eject No allows you to print multiple screens on one page. Option │Explanation ───────────────┼──────────────────────────────────────────────────── Yes │Paper is ejected after a formfeed command is │performed. │ No │Paper remains in the LaserJet. 4.18. Submenu Hardcopy Copies Use the menu "Hardcopy Copies" to specify how many copies of each page you want your printer to print. After you select "Hardcopy Copies" you are asked for a number. The maximum value is "99". "Hardcopy Copies" turns your laser printer into a combination of printer and copy machine. Regardless of how long it takes to generate the first page of printed output, subsequent copies of the same page will be printed at the printer's maximum speed. ════════════════════════════════════════════════════════════════════════════ H P S C R E E N 3.0 page 17 ════════════════════════════════════════════════════════════════════════════ 4.19. Save Configuration HPSCREEN is configured when your specific settings have been assigned to all options. With "Save Configuration" you can store the current settings. There is no limitation to the number of configuration files you can save. After you have selected the "Save Configuration" menu, HPSCREEN will prompt you for the filename. ! It may happen that the configuration will be saved only when the HPSCREEN menu has been exited. Example: You want to save a configuration file with the option settings listed below. ┌─────────────── HPSCREEN Release 3.00 ──────────────╖ │HPSCREEN Active ║ │Printer PaintJet XL ║ │Printer Output LPT1: ║ │Display Mode Automatic ║ │Paper Size A4 ║ │Aspect Ratio Rescaling ║ │Print Size Default ║ │Orientation Portrait ║ │Background Normal ║ │Color Enabeld ║ │Top Offset Default ║ │Left Offset Default ║ │Spacing Default ║ │Symbolset Default ║ │Form Feed Yes ║ │Copies [ 1] Copies ║ ╘═════════════════════════════════════════════════════╝ Press the <S> key Type in the filename; e.g.: PAINT.CFG Return to the main menu ════════════════════════════════════════════════════════════════════════════ H P S C R E E N 3.0 page 18 ════════════════════════════════════════════════════════════════════════════ 4.20. Load Configuration With "Load Configuration" you can load any presaved configuration. After you have selected the "Load Configuration" menu, HPSCREEN will prompt you for the filename. ! It may happen that the configuration will be loaded only when the HPSCREEN menu has been exited. Example: You want to restore the above saved configuration PAINT.CFG Press the <L> key Type in the filename PAINT.CFG Return to main menu 4.21. Batch Processing with HPSCREEN If you have a graphics program and you want to make color screendumps on a PaintJet printer, you can create the following batch file to start your application. . . HPSCREEN PAINT.CFG The configuration saved in PAINT.CFG is loaded Application Name start application ════════════════════════════════════════════════════════════════════════════ H P S C R E E N 3.0 page 19 ════════════════════════════════════════════════════════════════════════════ 5. Display Specials 5.1. General There are a number of compatible display adaptors on the market. Not all compatibles are "true compatible". Therefore special modes of some display adaptors are not supported e.g. (576 x 768 dots). 5.2. VGA There are no known problems. 5.3. EGA and CGA Most of the display adaptors can identify different display modes, e.g. text modes and graphics modes. If you have a VGA display adaptor HPSCREEN detects automatically the right display mode for generating the printout. Usually this works also for the other display adaptors. For technical reasons there are a few cases where HPSCREEN is not able to identify the correct display mode. In such cases, you can manually enter the correct HPSCREEN mode. 5.4. Hercules The Hercules Graphics Card can handle two display pages (0 and 1). For technical reasons it is not possible to identify which page will be displayed. If you do not get the expected result on your printer, you have to enter which page is active on the HPSCREEN menu. Select "mode 4: graphics 720 x 348, page 0" to print page 0 and "mode 5: graphics 720 x 348, page 1" to print page 1. ════════════════════════════════════════════════════════════════════════════ H P S C R E E N 3.0 page 20 ════════════════════════════════════════════════════════════════════════════ 6. PRINTER SPECIALS 6.1. General - You can not print landscape text and graphics on the same page. - You can not use the "Print Width" and "Print Height" commands for text screendumps. - The default print size varies with the resolution of the printer. - A fullscale printout takes a lot of time on a LaserJet printer. - Cartridges are not supported - If you get cancelled printouts using a parallel port, the following DOS command may be helpful: MODE LPT1:,,P ─┘ 6.2. LaserJet - No PC8 Symbolset. Therefore HPSCREEN uses characters like (|-+) to emulate the linedrawsymbols. - Due to the 56 K Byte memory limitation it is not possible to print graphics printouts bigger than about 32 cm². The printer will show printer error 20 (overflow). 6.3. LaserJet+ and LaserJet 500+ - No PC8 Symbolset. Therefore HPSCREEN uses characters like (|-+) to emulate the linedrawsymbols. 6.3. DeskJet - Landscape Text If you want to print text in landscape orientation on a DeskJet with the K-Cartridge then you have to select DeskJet+ in the printer menu. 6.4. PaintJet - No Landscape Text - If you define a left offset in a text hardcopy you will get an additional linefeed. 6.5. QuietJet - No Landscape Text - No Left Offset - The alternate mode is not supported. ════════════════════════════════════════════════════════════════════════════ H P S C R E E N 3.0 page 21 ════════════════════════════════════════════════════════════════════════════ 6.6. ThinkJet - No PC8 Symbolset. Therefore HPSCREEN uses characters like (|-+) to emulate the linedrawsymbols. - The alternate mode is not supported. - No Left Offset - No Top Offset - The maximum print width is 165mm. 6.7. Ruggedwriter - The Ruggedwriter does not support text in landscape orientation. - The alternate mode is not supported. 7. TECHNICAL INFORMATION 7.1. General HPSCREEN consists of two parts, the screendump program and the "hot key" menu program to configure the screendump portion. 7.2. Display Modes All standard display modes are listed below. Although a lot of modes are available, not all of them are usual. Normally the application programs use the modes which offer the highest resolution. To help to identify the correct mode the usual modes are marked. VGA Video Graphics Adaptor is available also on other display adaptors ────────────────────────────────────────────────────────────── Mode 0: Text 40 x 25 black & white VGA, EGA, MCGA, CGA Mode 1: Text 40 x 25 16 colors VGA, EGA, MCGA, CGA Mode 2: Text 80 x 25 black & white VGA, EGA, MCGA, CGA Mode 3: Text 80 x 25 16 colors VGA, EGA, MCGA, CGA Mode 4: Graphic 320 x 200, 4 colors VGA, EGA, MCGA, CGA Mode 5: Graphic 320 x 200, 2 colors VGA, EGA, MCGA, CGA Mode 6: Graphic 640 x 200, 2 colors VGA, EGA, MCGA, CGA Mode 7: Text 80 x 25 Monochrome VGA, EGA, MDA Mode 13: Graphic 320 x 200, 16 colors VGA, EGA, Mode 14: Graphic 640 x 200, 16 colors VGA, EGA, Mode 15: Graphic 640 x 350, Monochrome VGA, EGA, Mode 16: Graphic 640 x 350, 16 colors VGA, EGA, Mode 17: Graphic 640 x 480, 2 colors VGA, MCGA Mode 18: Graphic 640 x 480, 16 colors VGA Mode 19: Graphic 320 x 200, 256 colors VGA, MCGA ════════════════════════════════════════════════════════════════════════════ H P S C R E E N 3.0 page 22 ════════════════════════════════════════════════════════════════════════════ Usual modes Usual modes if you have a if you have a VGA Video Graphics Adaptor color display monochrome display ────────────────────────────────────── Mode 0: Text 40 x 25 black & white Mode 1: Text 40 x 25 16 colors Mode 2: Text 80 x 25 black & white Mode 3: Text 80 x 25 16 colors text Mode 4: Graphic 320 x 200, 4 colors Mode 5: Graphic 320 x 200, 2 colors Mode 6: Graphic 640 x 200, 2 colors Mode 7: Text 80 x 25 Monochrome text Mode 13: Graphic 320 x 200, 16 colors Mode 14: Graphic 640 x 200, 16 colors Mode 15: Graphic 640 x 350, Monochrome graphics Mode 16: Graphic 640 x 350, 16 colors Mode 17: Graphic 640 x 480, 2 colors Mode 18: Graphic 640 x 480, 16 colors graphics Mode 19: Graphic 320 x 200, 256 colors Usual modes Usual modes if you have a if you have a EGA Enhanced Graphics Adaptor color display monochrome ───────────────────────────────────── display Mode 0: Text 40 x 25 black & white Mode 1: Text 40 x 25 16 colors Mode 2: Text 80 x 25 black & white Mode 3: Text 80 x 25 16 colors text Mode 4: Graphic 320 x 200, 4 colors Mode 5: Graphic 320 x 200, 2 colors Mode 6: Graphic 640 x 200, 2 colors Mode 7: Text 80 x 25 Monochrome text Mode 13: Graphic 320 x 200, 16 colors Mode 14: Graphic 640 x 200, 16 colors Mode 15: Graphic 640 x 350, Monochrome graphics Mode 16: Graphic 640 x 350, 16 colors graphics Usual modes Usual modes if you have a if you have a MCGA Multi Color Graphics Card color display monochrome ────────────────────────────────────── display Mode 0: Text 40 x 25 black & white Mode 1: Text 40 x 25 16 colors Mode 2: Text 80 x 25 black & white text Mode 3: Text 80 x 25 16 colors text Mode 4: Graphic 320 x 200, 4 colors graphics Mode 5: Graphic 320 x 200, 2 colors Mode 6: Graphic 640 x 200, 2 colors graphics Mode 17: Graphic 640 x 480, Monochrome graphics Mode 19: Graphic 320 x 200, 256 colors ════════════════════════════════════════════════════════════════════════════ H P S C R E E N 3.0 page 23 ════════════════════════════════════════════════════════════════════════════ Usual modes Usual modes if you have a if you have a CGA Color Graphics Card color display monochrome ───────────────────────────────────── display Mode 0: Text 40 x 25 black & white Mode 1: Text 40 x 25 16 colors Mode 2: Text 80 x 25 black & white Mode 3: Text 80 x 25 16 colors text Mode 4: Graphic 320 x 200, 4 colors graphics Mode 5: Graphic 320 x 200, 2 colors Mode 6: Graphic 640 x 200, 2 colors graphics Only monochrome HGC Hercules Graphics Card display ──────────────────────────────────── Mode 4: Graphic 720 x 348, Page 1 graphics Mode 5: Graphic 720 x 348, Page 2 graphics Mode 7: Text 80 x 25 Monochrome text Only monochrome MDA Monochrome Display Adaptor display ──────────────────────────────────── Mode 7: Text 80 x 25 Monochrome text Usual modes Usual modes if you have a if you have a MMC Multi Mode Card color display monochrome ───────────────────────────────────── display Mode 0: Text 40 x 25 black & white Mode 1: Text 40 x 25 16 colors Mode 2: Text 80 x 25 black & white Mode 3: Text 80 x 25 16 colors text Mode 4: Graphic 320 x 200, 4 colors graphics Mode 5: Graphic 320 x 200, 2 colors graphics Mode 6: Graphic 640 x 200, 2 colors Mode 7: Text 80 x 25 Monochrom text Mode 13: Graphic 640 x 400, 2 colors Mode 14: Graphic 320 x 400, 4 colors Mode 15: Graphic 320 x 400, 2 colors ════════════════════════════════════════════════════════════════════════════ H P S C R E E N 3.0 page 24 ════════════════════════════════════════════════════════════════════════════ 7.3. Ordered Dithering HPSCREEN prints different colors by using the "Ordered Dithering" algorithm. This algorithm allows to print colors in gray shades on black and white printers and to print color shades on color printers. This algorithm is fast and does not slow down the resolution of printer. 7.4. Funny Patterns Some applications mix screen colors to generate more than the true screen colors. HPSCREEN uses the above mentioned algorithm to generate more than the true printer colors which mixes also printer colors to create different color shades. As a result you will get unpredictable patterns (funny patterns). 8. PALETTE The PaintJet is able to print its 330 different colors using the selftest. You start the selftest by starting the printer and at the same time pressing the key <LF> (Linefeed). Because the PaintJet XL does not provide this feature, the program PALETTE is provided on the HPSCREEN disk. This utility produces the same output on the PaintJet, PaintJet XL as the selftest mentioned above. !! This utility is written for the PaintJet /XL ONLY! If you use PALETTE with other printers you will get strange output on the printer or your system may hang up. ═════════════════════════════════════════════════════════════════════════════