Free Windows Help Tutorials sponsored by inkjet printer cartridges dot org /title> <META HTTP-EQUIV="imagetoolbar" CONTENT="no"> <META HTTP-EQUIV="Content-Type" CONTENT="text/html; CHARSET=ISO 8859-1"> <META name="description" Content="Hundreds of downloadable Windows help tutorials, articles and how-to guides sponsored by inkjet printer cartridges dot org."><style type="text/css">  </style> </head> <body bgcolor=#999999 vlink=blue link=blue> <span name = "INTRA" class="pg" style="top:0px; left:5px; width:714px; height:1010px"></span> <span name = "INTRA" style='top:0px; left:5px; height:1010px; width:714px' class='img'> <img src="pg0001im.png" height = "1010 width = "714" border="0"> </span> <span class='nav' style='left: 10px; top: 10px'><pre></pre></span><span name = "INTRA" style='top:51px; left:518px' class="ft5"><pre><font face='Helvetica'>Buying and Evaluating:Hardware</font></pre></span> <span name = "INTRA" style='top:104px; left:176px' class="ft3"><pre><font face='Arial'><b>How</b> <b>To</b> <b>Specify</b></font></pre></span> <span name = "INTRA" style='top:154px; left:187px' class="ft3"><pre><font face='Arial'><b>Data</b> <b>Projectors</b></font></pre></span> <span name = "INTRA" style='top:248px; left:116px' class="ft2"><pre><font face='Arial'><i><b>For</b></i> <i><b>the</b></i> <i><b>corporate</b></i> <i><b>presentation,</b></i> <i><b>a</b></i> <i><b>data</b></i> <i><b>projector</b></i> <i><b>coupled</b></i> <i><b>with</b></i> <i><b>your</b></i> <i><b>computer</b></i> <i><b>running</b></i></font></pre></span> <span name = "INTRA" style='top:268px; left:90px' class="ft2"><pre><font face='Arial'><i><b>presentation</b></i> <i><b>software</b></i> <i><b>gives</b></i> <i><b>far</b></i> <i><b>more</b></i> <i><b>room</b></i> <i><b>for</b></i> <i><b>flexibility</b></i> <i><b>and</b></i> <i><b>impact</b></i> <i><b>than</b></i> <i><b>the</b></i> <i><b>traditional</b></i> <i><b>OHP,</b></i></font></pre></span> <span name = "INTRA" style='top:289px; left:185px' class="ft2"><pre><font face='Arial'><i><b>but</b></i> <i><b>it's</b></i> <i><b>important</b></i> <i><b>to</b></i> <i><b>choose</b></i> <i><b>the</b></i> <i><b>right</b></i> <i><b>projector</b></i> <i><b>for</b></i> <i><b>your</b></i> <i><b>needs.</b></i></font></pre></span> <span name = "INTRA" style='top:321px; left:566px' class="ft1"><pre><font face='Arial'>By Dennis Jarrett</font></pre></span> <span name = "INTRA" style='top:396px; left:77px' class="ft0"><pre><font face='Arial'><b>B</b></font></pre></span> <span name = "INTRA" style='top:400px; left:109px' class="ft1"><pre><font face='Arial'>usiness presentations used to be</font></pre></span> <span name = "INTRA" style='top:400px; left:272px' class="ft1"><pre><font face='Arial'>and awkward, particularly if a slide</font></pre></span> <span name = "INTRA" style='top:400px; left:466px' class="ft1"><pre><font face='Arial'>for them, so much light is lost as it</font></pre></span> <span name = "INTRA" style='top:412px; left:109px' class="ft1"><pre><font face='Arial'>so easy. You'd just grab a binder</font></pre></span> <span name = "INTRA" style='top:412px; left:272px' class="ft1"><pre><font face='Arial'>bureau is involved.</font></pre></span> <span name = "INTRA" style='top:412px; left:466px' class="ft1"><pre><font face='Arial'>passes through a typical panel that the</font></pre></span> <span name = "INTRA" style='top:424px; left:109px' class="ft1"><pre><font face='Arial'>of overhead transparencies, a</font></pre></span> <span name = "INTRA" style='top:424px; left:286px' class="ft1"><pre><font face='Arial'>What's more, desktop multimedia</font></pre></span> <span name = "INTRA" style='top:424px; left:466px' class="ft1"><pre><font face='Arial'>image is barely adequate for a 2 m</font></pre></span> <span name = "INTRA" style='top:436px; left:77px' class="ft1"><pre><font face='Arial'>sheaf of coloured marker pens or a</font></pre></span> <span name = "INTRA" style='top:436px; left:272px' class="ft1"><pre><font face='Arial'>has enhanced the abilities of presenters</font></pre></span> <span name = "INTRA" style='top:436px; left:466px' class="ft1"><pre><font face='Arial'>screen in a dark room.</font></pre></span> <span name = "INTRA" style='top:448px; left:77px' class="ft1"><pre><font face='Arial'>carousel of 35mm slides and hit the</font></pre></span> <span name = "INTRA" style='top:448px; left:272px' class="ft1"><pre><font face='Arial'>and raised the expectations of audi </font></pre></span> <span name = "INTRA" style='top:448px; left:480px' class="ft1"><pre><font face='Arial'>Because of this, LCD projector pan </font></pre></span> <span name = "INTRA" style='top:460px; left:77px' class="ft1"><pre><font face='Arial'>road.</font></pre></span> <span name = "INTRA" style='top:460px; left:272px' class="ft1"><pre><font face='Arial'>ences. These days you often need at</font></pre></span> <span name = "INTRA" style='top:460px; left:466px' class="ft1"><pre><font face='Arial'>els have largely been displaced by a</font></pre></span> <span name = "INTRA" style='top:472px; left:91px' class="ft1"><pre><font face='Arial'>Things started to change after the</font></pre></span> <span name = "INTRA" style='top:472px; left:272px' class="ft1"><pre><font face='Arial'>least some movement on the screen</font></pre></span> <span name = "INTRA" style='top:472px; left:466px' class="ft1"><pre><font face='Arial'>more versatile small group alternative</font></pre></span> <span name = "INTRA" style='top:484px; left:77px' class="ft1"><pre><font face='Arial'>release of products such as Freelance</font></pre></span> <span name = "INTRA" style='top:484px; left:272px' class="ft1"><pre><font face='Arial'>and some sound other than the pre </font></pre></span> <span name = "INTRA" style='top:484px; left:466px' class="ft1"><pre><font face='Arial'> the data projector. These self con </font></pre></span> <span name = "INTRA" style='top:496px; left:77px' class="ft1"><pre><font face='Arial'>Graphics, PowerPoint and Harvard</font></pre></span> <span name = "INTRA" style='top:496px; left:272px' class="ft1"><pre><font face='Arial'>senter's voice to make an impressive</font></pre></span> <span name = "INTRA" style='top:496px; left:466px' class="ft1"><pre><font face='Arial'>tained units have their own lens and</font></pre></span> <span name = "INTRA" style='top:508px; left:77px' class="ft1"><pre><font face='Arial'>Graphics. The office suite manufactur </font></pre></span> <span name = "INTRA" style='top:508px; left:272px' class="ft1"><pre><font face='Arial'>impact. Modern presentation software</font></pre></span> <span name = "INTRA" style='top:508px; left:466px' class="ft1"><pre><font face='Arial'>light source, and they all work with</font></pre></span> <span name = "INTRA" style='top:520px; left:77px' class="ft1"><pre><font face='Arial'>ers started to include presentation</font></pre></span> <span name = "INTRA" style='top:520px; left:272px' class="ft1"><pre><font face='Arial'>can deliver that.</font></pre></span> <span name = "INTRA" style='top:520px; left:466px' class="ft1"><pre><font face='Arial'>normal Windows and Mac computers,</font></pre></span> <span name = "INTRA" style='top:532px; left:77px' class="ft1"><pre><font face='Arial'>packages to bulk out their products, so</font></pre></span> <span name = "INTRA" style='top:532px; left:466px' class="ft1"><pre><font face='Arial'>again duplicating the screen output via</font></pre></span> <span name = "INTRA" style='top:545px; left:77px' class="ft1"><pre><font face='Arial'>people who hadn't previously contem </font></pre></span> <span name = "INTRA" style='top:546px; left:272px' class="ft2"><pre><font face='Arial'><i><b>From</b></i> <i><b>The</b></i> <i><b>PC</b></i></font></pre></span> <span name = "INTRA" style='top:545px; left:466px' class="ft1"><pre><font face='Arial'>a cable connection to project an image</font></pre></span> <span name = "INTRA" style='top:557px; left:77px' class="ft1"><pre><font face='Arial'>plated PC based presentations now</font></pre></span> <span name = "INTRA" style='top:557px; left:466px' class="ft1"><pre><font face='Arial'>of at least 640 x 480 pixels. Many will</font></pre></span> <span name = "INTRA" style='top:569px; left:77px' class="ft1"><pre><font face='Arial'>found themselves with a usable and</font></pre></span> <span name = "INTRA" style='top:569px; left:286px' class="ft1"><pre><font face='Arial'>The obvious conclusion was to run</font></pre></span> <span name = "INTRA" style='top:569px; left:466px' class="ft1"><pre><font face='Arial'>also project higher resolutions, several</font></pre></span> <span name = "INTRA" style='top:581px; left:77px' class="ft1"><pre><font face='Arial'>apparently free tool.</font></pre></span> <span name = "INTRA" style='top:581px; left:272px' class="ft1"><pre><font face='Arial'>the presentation from a PC perhaps</font></pre></span> <span name = "INTRA" style='top:581px; left:466px' class="ft1"><pre><font face='Arial'>can also take video (TV) signals, and</font></pre></span> <span name = "INTRA" style='top:593px; left:91px' class="ft1"><pre><font face='Arial'>Hardware restrictions no longer</font></pre></span> <span name = "INTRA" style='top:593px; left:272px' class="ft1"><pre><font face='Arial'>even the PC on which it was devel </font></pre></span> <span name = "INTRA" style='top:593px; left:466px' class="ft1"><pre><font face='Arial'>some feature audio playback too. Some</font></pre></span> <span name = "INTRA" style='top:605px; left:77px' class="ft1"><pre><font face='Arial'>looked insurmountable when the aver </font></pre></span> <span name = "INTRA" style='top:605px; left:272px' class="ft1"><pre><font face='Arial'>oped. But you can't get more than four</font></pre></span> <span name = "INTRA" style='top:605px; left:466px' class="ft1"><pre><font face='Arial'>even have a floppy disk drive, so</font></pre></span> <span name = "INTRA" style='top:617px; left:77px' class="ft1"><pre><font face='Arial'>age PC had fast graphics, a reasonable</font></pre></span> <span name = "INTRA" style='top:617px; left:272px' class="ft1"><pre><font face='Arial'>or five people around a PC, and a lap </font></pre></span> <span name = "INTRA" style='top:617px; left:466px' class="ft1"><pre><font face='Arial'>there's no need for a computer at all.</font></pre></span> <span name = "INTRA" style='top:629px; left:77px' class="ft1"><pre><font face='Arial'>processor, at least 32 MB RAM, and</font></pre></span> <span name = "INTRA" style='top:629px; left:272px' class="ft1"><pre><font face='Arial'>top can barely service two or three.</font></pre></span> <span name = "INTRA" style='top:641px; left:77px' class="ft1"><pre><font face='Arial'>enough disk capacity to support both</font></pre></span> <span name = "INTRA" style='top:641px; left:272px' class="ft1"><pre><font face='Arial'>CRT projectors are bulky and expen </font></pre></span> <span name = "INTRA" style='top:642px; left:466px' class="ft2"><pre><font face='Arial'><i><b>Projector</b></i> <i><b>Technologies</b></i></font></pre></span> <span name = "INTRA" style='top:653px; left:77px' class="ft1"><pre><font face='Arial'>the application and the user's files. The</font></pre></span> <span name = "INTRA" style='top:653px; left:272px' class="ft1"><pre><font face='Arial'>sive; large screen CRT monitors are</font></pre></span> <span name = "INTRA" style='top:665px; left:77px' class="ft1"><pre><font face='Arial'>spread of low cost colour inkjet print </font></pre></span> <span name = "INTRA" style='top:665px; left:272px' class="ft1"><pre><font face='Arial'>even more impractical.</font></pre></span> <span name = "INTRA" style='top:665px; left:480px' class="ft1"><pre><font face='Arial'>There are two display technologies</font></pre></span> <span name = "INTRA" style='top:677px; left:77px' class="ft1"><pre><font face='Arial'>ers helped to make colourful com </font></pre></span> <span name = "INTRA" style='top:677px; left:286px' class="ft1"><pre><font face='Arial'>LCD projection panels looked like a</font></pre></span> <span name = "INTRA" style='top:677px; left:466px' class="ft1"><pre><font face='Arial'>in data projectors. Traditional LCDs</font></pre></span> <span name = "INTRA" style='top:689px; left:77px' class="ft1"><pre><font face='Arial'>puter driven presentations the norm</font></pre></span> <span name = "INTRA" style='top:689px; left:272px' class="ft1"><pre><font face='Arial'>good option. These special, transpar </font></pre></span> <span name = "INTRA" style='top:689px; left:466px' class="ft1"><pre><font face='Arial'>use the same active matrix displays</font></pre></span> <span name = "INTRA" style='top:701px; left:77px' class="ft1"><pre><font face='Arial'>for many businesses.</font></pre></span> <span name = "INTRA" style='top:701px; left:272px' class="ft1"><pre><font face='Arial'>ent colour panels are placed on the</font></pre></span> <span name = "INTRA" style='top:701px; left:466px' class="ft1"><pre><font face='Arial'>found in laptops, with a layer of liquid</font></pre></span> <span name = "INTRA" style='top:713px; left:91px' class="ft1"><pre><font face='Arial'>The constraint then became the de </font></pre></span> <span name = "INTRA" style='top:713px; left:272px' class="ft1"><pre><font face='Arial'>overhead projector plate, plug into the</font></pre></span> <span name = "INTRA" style='top:713px; left:466px' class="ft1"><pre><font face='Arial'>crystal material between two sheets of</font></pre></span> <span name = "INTRA" style='top:725px; left:77px' class="ft1"><pre><font face='Arial'>livery mechanism, and to some extent</font></pre></span> <span name = "INTRA" style='top:725px; left:272px' class="ft1"><pre><font face='Arial'>back of your computer, and the over </font></pre></span> <span name = "INTRA" style='top:725px; left:466px' class="ft1"><pre><font face='Arial'>glass. Apply a charge to a particular</font></pre></span> <span name = "INTRA" style='top:737px; left:77px' class="ft1"><pre><font face='Arial'>that's still the case today. OHP trans </font></pre></span> <span name = "INTRA" style='top:737px; left:272px' class="ft1"><pre><font face='Arial'>head projector projects a large screen</font></pre></span> <span name = "INTRA" style='top:737px; left:466px' class="ft1"><pre><font face='Arial'>cell in the matrix and the crystals can</font></pre></span> <span name = "INTRA" style='top:749px; left:77px' class="ft1"><pre><font face='Arial'>parencies typically look crude and</font></pre></span> <span name = "INTRA" style='top:749px; left:272px' class="ft1"><pre><font face='Arial'>image directly from your computer</font></pre></span> <span name = "INTRA" style='top:749px; left:466px' class="ft1"><pre><font face='Arial'>rotate the plane of polarised light, ef </font></pre></span> <span name = "INTRA" style='top:761px; left:77px' class="ft1"><pre><font face='Arial'>washed out; 35 mm slides rely on an</font></pre></span> <span name = "INTRA" style='top:761px; left:272px' class="ft1"><pre><font face='Arial'>onto the screen just as it would a col </font></pre></span> <span name = "INTRA" style='top:761px; left:466px' class="ft1"><pre><font face='Arial'>fectively acting as an on/off switch for</font></pre></span> <span name = "INTRA" style='top:773px; left:77px' class="ft1"><pre><font face='Arial'>outside agency the slide bureau and</font></pre></span> <span name = "INTRA" style='top:773px; left:272px' class="ft1"><pre><font face='Arial'>oured foil.</font></pre></span> <span name = "INTRA" style='top:773px; left:466px' class="ft1"><pre><font face='Arial'>the light. Colour is produced by using</font></pre></span> <span name = "INTRA" style='top:785px; left:77px' class="ft1"><pre><font face='Arial'>are prone to mis sequencing (anyone</font></pre></span> <span name = "INTRA" style='top:785px; left:286px' class="ft1"><pre><font face='Arial'>These panels are easy to use, light,</font></pre></span> <span name = "INTRA" style='top:785px; left:466px' class="ft1"><pre><font face='Arial'>three cells for each pixel, one for each</font></pre></span> <span name = "INTRA" style='top:797px; left:77px' class="ft1"><pre><font face='Arial'>who has ever dropped a full 35 mm</font></pre></span> <span name = "INTRA" style='top:797px; left:272px' class="ft1"><pre><font face='Arial'>and relatively inexpensive. But ulti </font></pre></span> <span name = "INTRA" style='top:797px; left:466px' class="ft1"><pre><font face='Arial'>of the primary colours.</font></pre></span> <span name = "INTRA" style='top:809px; left:77px' class="ft1"><pre><font face='Arial'>carousel knows just how far out of se </font></pre></span> <span name = "INTRA" style='top:809px; left:272px' class="ft1"><pre><font face='Arial'>mately they depend on the availability</font></pre></span> <span name = "INTRA" style='top:809px; left:480px' class="ft1"><pre><font face='Arial'>Newer and more expensive LCDs</font></pre></span> <span name = "INTRA" style='top:821px; left:77px' class="ft1"><pre><font face='Arial'>quence a collection of slides can get).</font></pre></span> <span name = "INTRA" style='top:821px; left:272px' class="ft1"><pre><font face='Arial'>of an OHP and on its quality. The thin,</font></pre></span> <span name = "INTRA" style='top:821px; left:466px' class="ft1"><pre><font face='Arial'>are made with polysilicon rather than</font></pre></span> <span name = "INTRA" style='top:833px; left:91px' class="ft1"><pre><font face='Arial'>But the major drawback is the rigid </font></pre></span> <span name = "INTRA" style='top:833px; left:272px' class="ft1"><pre><font face='Arial'>top lit OHPs won't work with these</font></pre></span> <span name = "INTRA" style='top:833px; left:466px' class="ft1"><pre><font face='Arial'>amorphous silicon. They usually use</font></pre></span> <span name = "INTRA" style='top:845px; left:77px' class="ft1"><pre><font face='Arial'>ity of both options. The presenter typi </font></pre></span> <span name = "INTRA" style='top:845px; left:272px' class="ft1"><pre><font face='Arial'>LCD panels; you need an overhead</font></pre></span> <span name = "INTRA" style='top:845px; left:466px' class="ft1"><pre><font face='Arial'>three LCD panels rather than one,</font></pre></span> <span name = "INTRA" style='top:857px; left:77px' class="ft1"><pre><font face='Arial'>cally needs the flexibility to edit the</font></pre></span> <span name = "INTRA" style='top:857px; left:272px' class="ft1"><pre><font face='Arial'>projector rated at 3,000 to 4,000 lumens</font></pre></span> <span name = "INTRA" style='top:857px; left:466px' class="ft1"><pre><font face='Arial'>splitting the light into red, green and</font></pre></span> <span name = "INTRA" style='top:869px; left:77px' class="ft1"><pre><font face='Arial'>final artwork, perhaps to amend the</font></pre></span> <span name = "INTRA" style='top:869px; left:272px' class="ft1"><pre><font face='Arial'>to project the LCD image on to the</font></pre></span> <span name = "INTRA" style='top:869px; left:466px' class="ft1"><pre><font face='Arial'>blue components by diachronic mir </font></pre></span> <span name = "INTRA" style='top:881px; left:77px' class="ft1"><pre><font face='Arial'>presentation for different audiences or</font></pre></span> <span name = "INTRA" style='top:881px; left:272px' class="ft1"><pre><font face='Arial'>screen. Older OHPs produce around</font></pre></span> <span name = "INTRA" style='top:881px; left:466px' class="ft1"><pre><font face='Arial'>rors and recombining them by using a</font></pre></span> <span name = "INTRA" style='top:893px; left:77px' class="ft1"><pre><font face='Arial'>to revise existing material in the light</font></pre></span> <span name = "INTRA" style='top:893px; left:272px' class="ft1"><pre><font face='Arial'>1500 lumens or less. And even when</font></pre></span> <span name = "INTRA" style='top:893px; left:466px' class="ft1"><pre><font face='Arial'>prism after each colour has passed</font></pre></span> <span name = "INTRA" style='top:905px; left:77px' class="ft1"><pre><font face='Arial'>of new facts. Editing can be expensive</font></pre></span> <span name = "INTRA" style='top:905px; left:272px' class="ft1"><pre><font face='Arial'>used with OHPs designed specifically</font></pre></span> <span name = "INTRA" style='top:905px; left:466px' class="ft1"><pre><font face='Arial'>through</font></pre></span> <span name = "INTRA" style='top:905px; left:516px' class="ft1"><pre><font face='Arial'>a</font></pre></span> <span name = "INTRA" style='top:905px; left:533px' class="ft1"><pre><font face='Arial'>separate</font></pre></span> <span name = "INTRA" style='top:905px; left:584px' class="ft1"><pre><font face='Arial'>LCD</font></pre></span> <span name = "INTRA" style='top:905px; left:618px' class="ft1"><pre><font face='Arial'>panel.</font></pre></span> <span name = "INTRA" style='top:946px; left:52px' class="ft1"><pre><font face='Arial'>Update 124 (February 1999) page 3</font></pre></span> <span name = "INTRA" style='top:946px; left:617px' class="ft1"><pre><font face='Arial'>File: B1021.1</font></pre></span> <span name = "INTRA" style='top:944px; left:264px' class="ft4"><pre><font face='Arial'><b>PC</b> <b>Support</b> <b>Advisor</b></font></pre></span> <span name = "INTRA" class='nav' style='left: 357px; top: 1010px'><pre><< < GO <a href='page0002.htm'>></a> </pre></span> <span name = "INTRA" style='top:1050px; left:50px' class="ft4"><pre><b><font color="#FF0000" size="3" face="Arial">New!</font><font color="#FF0000" size="3" face="Arial Narrow"> </font><font size="2" face="Arial">The best sites for quality <a href="http://www.inkjet-printer-cartridges.org">inkjet printer cartridges</a> and the best sites for <a href="http://www.cheap-inkjet-cartridges.com">cheap inkjet cartridges</a></font></b></pre></span></body> <span name = "INTRA" style='top:1100px; left:300px' class="ft4"><pre><b><font color="#FF0000" size="3" face="Arial"><a href="../index.html">Windows Help Desk Home</a> </font></b></pre></span></body></html>