HP MP1800 White Paper
Contents
1. can also be used to generate a HDTV video stream Capable computers should be able to read acquire the HDTV data and blend it into the desktop graphics much in the same way that we can see today DVD content Note that regardless of source the HDTV formats are generally of higher resolution than that of the projector XGA or 1024 768 Thus the projector will normally downscale the HDTV data in order to fit the complete image within the displayable 1024 768 resolution Doc Number 20AT1020 WHITE PAPER cont ARMADA LINEUP The following Armada Products have single graphics controller architectures e Armada 1100 series e Armada 1500 and 1500c series e Armada 1700 and 1750 series e Armada 4100 and 4200 series e Armada 3500 series e Armada 6500 series The following Armada Products have a dual graphics controller architecture e Armada 7300 and 7400 series e Armada 7700 and 7800 series e Armada E700 M700 E500 M300 series e Future Armadas in the E and M families with improved graphics capabilities and dual display support will be available in the second half of 2000 further enhancing its use with the Microportable Projectors Although the Armada product line currently does not offer any digital video ports such as DVI or DFP the Microportable projectors are capable of receiving digital video data thru a secondary connector Plug in graphics cards with such a capability can be installed on Armada s docking sta2. 16 million colors Many users of portables with less graphics memory will find that lowering the resolution will increase the color depth This is a trade off that can be evaluated prior to the presentation Presentations with motion video will likely benefit from the higher color WHITE PAPER cont depth Still images that are computer generated say Powerpoint slides may benefit more from the finer and higher resolutions while keeping colors at 256 or 64K The following resolutions are supported on some of the Armada Portable Computers Color Depth 3 1280 x 1024 256 color 60 75 Some projectors can not process this mode as input 1280 x 1024 64K color 60 75 Some projectors can not process this mode as input 1280 x 1024 16M color 60 75 Some projectors can not process this mode as input 1600 x 1200 256 64K color Currently the projectors can not process this mode as input Doc Number 20AT1020 9
3. DISPLAYS The DualDisplay architecture opens new functionality for notebook computers The DualDisplay architecture provides the ability to control the LCD and an external CRT or Projection unit with independent timing parameters resolution and or refresh rate By providing separate timing and refresh rates the DualDisplay capability enables users to display simultaneous images on the internal LCD screen and external display device with different timing Dual display features have been developed to greatly improve the simultaneous display capability of the notebook thereby enhancing their utility to the user Microsoft Windows 98 further enhances this feature by allowing the display of two completely different images desktop areas at the same time This allows the user to effectively double the size of its working desktop area The OS enhancements allow the movement of any windows application from one screen to the other just as one would do it within the confines of a single screen desktop area e Simultaneous display of different images On the referenced Armada systems with Windows 98 installed there is the possibility to create an expanded desktop that simultaneously displays on the internal LCD and an external display device One of the display devices is considered the primary display and is where the Start button and system tray bar appear The other one is the secondary display used to launch and view any applications not bei
4. Octoberr 20 2000 Compaq Computer Corporation CONTENTS Introduction wuss Recommendations Common Problems Optimizing the Projected Image use Utilities for Armada ProdUCtSaininsiiiii iniinis Simultaneous Display sssr Dual Display sscscsssceeeen Example User Scenarios sssrin TV Video Support sess HDTV Supporter Armada lineup sssr Resolutions and Refresh Rates COMPAQ Doc Number 20AT1020 WHITE PAPER Compaq Microportable Projectors amp the Armada Graphics Video Capabilities INTRODUCTION This whitepaper explains how to optimize the customers experience with Compaq Portable Computers when used in conjunction with a Compaq Microportable Projector The Compaq series of Microportable Projectors are a 3 4 5 lb multi sync projectors capable of displaying images at resolutions of 640 480 to 1280 1024 The native display mode is 1024 768 XGA for the high end model and 800 600 SVGA for the value line and it automatically scales up or down other resolutions using state of the art algorithms built into the hardware The graphics acceleration technology and architecture of the Armada Family of Portable Computers delivers brilliant professional quality photo realistic images while maintaining outstanding performance Its strength in 2D image display 3D rendering DVD playback and higher bus and memory speeds and bandwidth make this the best overall solution for the graphics and
5. R EXPRESS OR IMPLIED IN NO EVENT WILL COMPAQ BE LIABLE FOR DIRECT INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES IN CONNECTION WITH THE USE OF OR RELIANCE ON THE MATERIAL CONTAINED IN THIS PUBLICATION EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES COMPAQ RESERVES THE RIGHT TO MAKE IMPROVEMENTS OR CHANGES TO THIS PUBLICATION AND THE PRODUCTS AND SERVICES HEREIN DESCRIBED AT ANY TIME WITHOUT NOTICE OR OBLIGATION This publication does not constitute an endorsement of the product or products that were tested The configuration or configurations tested or described may or may not be the only available solution This test is not a determination of product quality or correctness nor does it ensure compliance with any federal state or local requirements Compaq does not warrant products other than its own and then only as strictly stated in Compaq product warranties Compaq LTE Deskpro Presario ProLiant and ProSignia are trademarks registered in the United States Patent and Trademark Office Armada Armada Station LTE 5000 MultiBay and Netelligent are trademarks of Compaq Computer Corporation Other product names mentioned herein may be trademarks and or registered trademarks of their respective companies Microsoft Windows NT are trademarks and or registered trademarks of Microsoft Corporation 2000 Compaq Computer Corporation Doc Number 20AT1020 WHITE PAPER cont RECOMMENDATIONS The Microportable proj
6. are capable of displaying various High Definition TV display modes The Multimedia Adapter is not required to take advantage of this functionality A variety of sources can be used to provide HDTV data to the projector for example a Digital VHS D VHS player an HDTV DVD player a Satellite Dish HDTV receiver or a variety of DTV tuners to receive programming over the airwaves Most of these will provide either an analog Component video output or a standard VGA output Color mode can be either YPrPb or RGB format selectable via the picture option on the OSD The following modes are supported on the VGA interface 640 480p 704 480p 1280 720p 1920 1080i A cable to convert Component video output to a standard VGA connector is supplied on projectors that support HDTV Note that the 480p modes are compatible with PC modes and thus will default to display in the RGB color mode the user will need to switch to YPrPb color mode using the projector in order to see the proper colors When displaying HDTV content it is recommended to display it in its native 16 9 widescreen mode For this you may need to select the HDTV fill to aspect ratio mode on your projector in order to preserve the height to width relationship of the material Note that in this mode you will have black stripes on top and bottom of the projected image just as you see them on standard TV sets when viewing widescreen content A desktop or portable computer
7. ector s native resolutions are 800 600 SVGA and 1024 768 XGA based on the model Driving the projector at this resolution will provide optimal viewing experience as the image is mapped pixel by pixel from the computer to the internal electronics Thus the user should attempt to always drive the projectors at their native resolutions When a different resolution is used the projector will automatically scale up or scale down the image to fit into the internal array That means that some interpolation of data will be necessary and though the circuitry provided is state of the art it will never be as perfect as the case where no pixels are modified added or removed If the chosen resolution is beyond the range of the projector a warning message will be displayed There are applications that will only run at fixed resolutions Should it be other than SVGA or XGA then the next best thing is to let the projector do the scaling The expansion capabilities of many older Armada portable products are not as advanced as that of the Microportable projectors COMMON PROBLEMS SETTING UP THE PORTABLE amp PROJECTOR When using a portable with Dual Display capability it is possible for the user to encounter some display modes that are not desired The image on the projector is only a partial image and I can pan around it What happened here is that the user set the external display to a smaller resolution using the overhead projector icon
8. fferent content some Armada products using Windows 98 The goal is to display to an audience a different image than that on the internal LCD both XGA resolutions Using the Utility provided with the projector enable the projector At this time you will see both the internal display and the projector being driven at XGA timings Using the Microsoft Windows Display Settings control panel the user can then enable MultiMonitor mode Doc Number 20AT1020 WHITE PAPER cont Finally the user selects the applications to display on the two surfaces This mode is not possible on systems that do not have the DualDisplay architecture TV VIDEO SUPPORT Some Armada portables have the capability to play back DVD movie titles The movie is shown as a Window on the desktop which can be maximized to fill the screen and driven to the projector via the VGA output Thus movies can be shown on the Microportable projectors as well The projectors in addition have video adapter options which accept both Composite and S Video TV signals Some projectors in the line up will accept an option that includes remote control and sound support Some Armada portables have one or both video outputs available Thus movie titles can also be shown by attaching a DVD player directly to the projector or by using the TV out port of some of the Armada portables All Armada portables have sound line out jacks HDTV SUPPORT Some Microportable Projectors
9. ng used on the primary display The two display devices can create a side by side or top to bottom configurations Each display can be set to a desired resolution and refresh rate The different image mode allows the user to actually drag any window from one display device to the other Doc Number 20AT1020 WHITE PAPER cont One of the reasons of increasing the local graphics memory frame buffer to 4MB and beyond was due to the fact that in different image modes the user needs to store two different desktops These modes require twice as much memory as any of the same image configurations Compaq plans on further increases of frame memory on future products e New desktop productivity tools are enabled Presentations can now be simultaneously be seen by presenter and audience even if the presentation device is at different resolutions or refresh rates Dual Display enables the use of both the internal LCD screen and an external display device each showing a different half of a super size Windows desktop The user can view and use multiple applications simultaneously such as a web browser and a word processor In a training or school environment a dual display capability enables the teacher to have a different content than the student one has the lesson or training material along with all answers while the student has the lesson to be learned Microsoft Office 2000 is being enhanced to allow a presenter to show i
10. or via the display settings utility without making the desktop area smaller Thus Microsoft Windows thinks the user wants a full 1024 768 desktop area to present information and that at the same time he only wants a smaller area to be visible on the external display device This can easily be corrected by adjusting the desktop area to match the CRT resolution In this case the complete desktop area will be visible on the external display device I have a complete image but it is smaller than what I have seen before What most likely happened is that the user or application set the system to a lower resolution games do this quite a bit and then the projector utility set to simultaneous display of this lower resolution Then the black border seen around the internal LCD is also seen on the external display device making the overall visible image smaller than normal There are two ways to fix this The user can either press Fn F4 to cycle to an external display viewing only internal LCD blanks at which the system will automatically drive the projector at full screen or the user can set the external device to the smaller resolution using the overhead projector icon on the system tray If the user is currently showing the image on the internal computer display then Fn F4 will need to be pressed twice in order to switch to the external display device The user can also simply increase the resolution of the external di
11. play modes and to be any supported mode for external display only For systems with a dual graphics controller the resolution can be set to any of the external supported modes independent of the resolution of the internal LCD In addition the Fn F4 hotkey can be used to affect which display output is enabled When an external display device is connected to the computer press the Fn F4 hotkeys as a toggle function e Press once to Turn on both displays simultaneously e Press again to Switch to the external display device e Press once more to Switch back to the internal computer display UTILITIES PROVIDED FOR ARMADA PRODUCTS The following utilities are provided on Armada products for ease of use Fn T If for some reason the user must set the resolution to something smaller than the native screen resolution the image will appear centered and with a black border when shown on the internal computer display and in simultaneous display mode The Fn T hotkey stretches the image to fill as much of the screen as possible Fn F4 A hot key combination to cycle between internal external and simultaneous displays The Microportable projectors will have an additional utility that will also reside on the system tray which will upon activation disable some power management and screen saver features for the Doc Number 20AT1020 WHITE PAPER cont duration of the presentation The user may set any of the Armada portable produc
12. splay device via the display properties tabs that Microsoft Windows provides The level of flexibility on these adjustments will be determined by the graphics controller used single or dual display Video DVD or other is only seen on one display device Although some Armada portables have a Dual Graphics Controller they still have a single video processing unit Thus while on Dual Display mode video can only be shown on one display device selectable via the advanced settings tabs If the user desires to view video on both display devices the Armada portable must be set in simultaneous display mode single controller configuration resolution must match the internal LCD and refresh rate must be 60Hz Doc Number 20AT1020 WHITE PAPER cont OPTIMIZING THE PROJECTED IMAGE WITH AN ARMADA PORTABLE Before we proceed a few terms should be defined Desktop Area This is the physical size that Windows OS will use to display the desktop If this size is smaller than the resolution of the Portable s LCD then the desktop will show centered on the LCD with a black border around it If the size is larger than the resolution of the Portable s LCD then the user will see a partial desktop with the ability to pan to the remaining area CRT Projector Resolution the resolution set for the external display device For systems with a single graphics controller it is hard coded to be the same as the internal LCD for simultaneous dis
13. tions ArmadaStation or any other Compaq desktop computer There are 3 party PCMCIA graphics adapters that provide a digital DVI interface if needed these adapters either disable the internal Armada graphics controller or configures the device as a multi monitor system EXTERNAL MONITOR RESOLUTION AND REFRESH RATES When it comes to resolution the Microportable projectors will work best at its native resolutions of 800 by 600 SVGA or 1024 by 768 XGA pixels They will accept anything between 640 by 480 VGA and 1280 by 1024 SXGA based on model SVGA projectors will not downscale from SXGA as the resulting image quality is not good Likewise our Armada portables are all capable of displaying at the optimal 1024 by 768 while in external display mode and many other combinations while in simultaneous display A 60Hz refresh rate is the most common especially if driving the internal LCD simultaneously as refresh rate is increased possible visual artifacts are eliminated We do not recommend though some projectors support it the use of any interlaced mode The ability to display larger number of colors is dependent on the Armada model being used Higher amounts of frame buffer memory will allow for higher color depth The high end Armada E700 M700 7400 and 7800 series all have 4MB and 8MB of graphics frame buffer based on model which easily allows for the display of 1024 by 768 pixels of resolution at true color 24 bits or
14. ts in simultaneous display mode by pressing Fn F4 once and in Projector only mode by pressing Fn F4 twice ARMADA PORTABLE COMPUTERS DISPLAY MODES SIMULTANEOUS DISPLAY The Armada graphics architecture has been developed to greatly improve the simultaneous display capability of notebook computers thereby enhancing their utility to end users Traditional simultaneous display or Simulscan found in all Armada notebook computers display allows the display of the same image on a notebook PC s LCD screen and an external CRT or Projection unit with the same refresh rate and resolution being applied to each display This technology when applied to today s larger resolution 800x600 SVGA and 1024x768 XGA panels has enhanced the quality of images being displayed during presentations Prior to the introduction of the Compaq Microportable Projectors many users were unable to simultaneously display the presentation material to both the internal LCD and the alternative projection systems This was due to the fact that older projection systems were capable of only decoding a fixed resolution which was incompatible to the one on the notebook In these cases the user was forced to disable the internal LCD With the current series of Compaq Microportable projectors even older products that only display 640 480 VGA LCD resolutions are now capable of simultaneous display to the portables internal LCD and to the projection unit DUAL
15. ts slide presentation on the external device while simultaneously seeing its slides and or notes on the internal LCD EXAMPLE USER SCENARIOS The following are some examples on how would the user set the Armada portable Simultaneous display of the same image on Portable and projection unit Use the utility provided with the projector Simultaneous display at different resolution some Armada products not supported under Windows 2000 If a particular application to be used in a presentation can only be run at an 800 600 resolution and a portable with a 1024 768 XGA LCD and a supported dual graphics controller architecture is used then the user should change the desktop area of the external display to 800 600 Using the Utility provided with the projector enable the projector At this time you will see both the internal display and the projector being driven at XGA timings with a black border around the 800 600 desktop area In order to drive the projector at 800 600 set to this resolution at 60Hz or 75Hz refresh using the Windows Sisplay Settings control panel If the user does not like to see the black border on the internal LCD simply press Fn T and the system will stretch the image to fill the screen as much as possible If the Portable does not support DualDisplay and the user does not want the black border on the projector unit then he must use the Fn F4 key to switch to external display only mode Simultaneous display of di
16. video needs of Compaq s customers By providing separate timings on the high end Armada M700 E700 7400 7800 systems for an external CRT or projector unit and an internal LCD display device the dual display technology enables users to display the same image simultaneously on separate displays with different refresh rates and or resolutions Additionally with the support of the Windows98 Operating System the dual display technology also enables users to display different images simultaneously on separate displays at different refresh rates if needed In conjunction the Microportable Projectors amp the Armada Portable Computers provide the stunning graphics presentation solutions that todays professionals desire to make a lasting impression on their clients Doc Number 20AT1020 WHITE PAPER cont NOTICE The information in this publication is subject to change without notice THE COMPETITIVE INFORMATION CONTAINED IN THIS PUBLICATION IS BASED ON DATA AVAILABLE FROM PUBLIC SOURCES AT THE TIME OF PUBLICATION COMPAQ COMPUTER CORPORATION SHALL NOT BE RESPONSIBLE FOR ANY INACCURACIES ERRORS OR OMISSIONS IN INFORMATION CONTAINED HEREIN INCLUDING BUT NOT LIMITED TO INFORMATION OBTAINED FROM THIRD PARTY SOURCES SUCH AS PUBLICATIONS OF OTHER COMPANIES THE PRESS OR COMPETITIVE DATA ORGANIZATIONS THIS PUBLICATION IS MADE AVAILABLE ON AN AS IS BASIS AND COMPAQ SPECIFICALLY DISCLAIMS ALL ASSOCIATED WARRANTIES WHETHE
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