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July/August 1999 - Extron Electronics

1. 15 kHz to 125 kHz provides 300 MHz 3 dB video bandwidth and will output composite or separate horizontal and vertical sync with the flip of a switch Sync on green is also available SERVICE AND PRICING The list prices are as follows RGB 500 grey PN 60 286 01 695 RGB 508 grey PN 60 287 01 725 RGB 550 grey PN 60 288 01 720 and RGB 558 grey PN 60 299 01 750 all in US Dollars Please contact an Extron customer support representative for pricing on Dual and Euro channel configurations as well as models with black or white faceplates Architectural Adapter Plates are available for use on Extron s RGB 508 and RGB 558 and are available in grey black and white With over 100 different plates available they provide single connection solutions for nearly every installation http www extron com product product asp id rgb500series EXTRONEWS JULY AUG 1999 RGB 130xi Universal Interface Kit with Audio amp ADSP Extron s 130xi Kit is designed to be the ultimate interface kit for connecting high resolution computer workstations to presen tation systems including those utilizing digital displays Extron s 13027 Kit replaces the 120p Kit and features an RGB 130xi universal interface with features like active audio interfacing and ADSP Extron s RGB 130xi also features 300 MHz 3dB video bandwidth and a horizontal scanning range from 15 kHz to 125 kHz SW2 VGA D
2. consideration Eckstein put together the components for an electronic bulletin board a 24 hour 7 days a week 24 7 system with one information source and multiple displays for each store This electronic system provides Macy s employees with quick and convenient communications 24 7 Self running PowerPoint slide presentations from an IBM compatible desktop computer are displayed on monitors in locations with high employee traffic such as the lounge the elevator court and the employees entrance The monitors contin ually display sales updates announce ae n H THM a i ae ne E rt ee eE a T tod bh FS mr p ie ta For Macy s presentations Extron s VSC 100 scan converts computer video to composite video ments reminders about charity drives special hours and training blurbs The number of monitors located throughout a store varies depending on the store s size For example Macy s Herald Square on 34th Street in Manhattan has six monitors one by the employees entrance one by the employees elevator one by the sign in clock and three in the employees lounge Macy s decided to install the electronic bulletin board in selected stores on a rolling basis Macy s Dave Silvernail Director of Information Services states As a testbed we started with one instal lation about a year ago Then six months ago we added ten more installations mostly in the New York
3. frequency for component digital See Figure 2 OTHER COOL STUFF One thing that 1s a constant in video whether analog or digital is the sync timing Since component digital video is represented by a series of binary numbers a code may be assigned for the beginning of blanking EAV end of active video and another for the end of blanking SAV start of active video without wasting code space in the repli cation of a repetitive event The Available for Other Data as E A V E Special Sync Codes Blanking receiving system can reconstruct the blanking and sync by decoding those two unique codes In this way nearly the entire video blanking time interval can be used to transmit a host of other digital information including digital audio data line numbering error checking data ancillary data time code and so on A PARALLEL UNIVERSE Early on the component digital data stream was 8 bits wide 0 to 255 levels Eventually the data stream widened to 10 bits 0 to 1024 levels The two extra bits significantly improved signal to noise and reduced rounding errors during data transfers So the data stream is moving 10 bit wide data words at 27 MHz speed For those who interface component digital systems over relatively short distances short means 150 feet or less connecting these systems with the prescribed 25 pin DB style connector is typical Running ten differential pair data lines along with anci
4. the blanking lines are used to encode other information such as closed captioning With variable top and bottom vertical blanking the user may add black lines at the top and bottom of the screen to eliminate edge noise Hence LCD DLP plasma and other display devices set for computer resolutions are able to display images true to their original detail Extron s DVS 100 provides scalable outputs at a variety of computer video plasma or progressive HDTV resolutions For computer video the DVS 100 features these output rates 640 x 480 800 x 600 832 x 624 1024 x 768 and 1280 x 1024 For VGA distribution amplifier with audio Extron s P 2 DA2 MT may be discreetly mounted under a conference table or podium For under desk mounting removable brackets are included and optional brackets are available for vertical mounting through a table or podium With a 300 MHz 3dB video bandwidth Extron s P 2 DA2 MT is compatible with VGA SVGA VESA XGA and SXGA graphic cards VGA monitors projectors and LCD panels Extron s P 2 DA2 MT plate available in grey black or white Extron s P 2 DA2 WM fits flush into a wall podium or table This design combines shallow depth under two inches with wall mounting plates for easy installation in existing walls With 300 MHz 3dB video bandwidth the P 2 DA2 WM is compatible with VGA SVGA VESA XGA and SXGA graphic cards VGA monitors projectors and LCD panels Extr
5. 1280 x 768 and 1360 x 765 Extron s DDS 100 is also suitable for home theaters offering the HDTV 720p rate Scaled RGB output is available on a female VGA connector or five BNCs so an adapter cable might not be needed to connect Extron s DDS 100 to the display Although most digital display devices require RGBHV input Extron s DDS 100 RS 232 Control LCD Projector OUTPUT LCD Display DDS 100 APPLICATION DIAGRAM offers a choice of sync configuration when RGsB or RGBS is needed With a flick of the sync selection switch output sync is available as sync on green composite sync or separate horizontal and vertical sync PICTURE PERFECT To control image quality Extron s DDS 100 offers four levels of horizontal filtering to improve image detail as well as ten levels continued on page 13 ExtroNews Technical Editors Jim Scrivner Roger McCarten Pat Charlton Joe da Silva Mike Fitzgerald Chris Emore Graphic Designers Jill Streit Cyme Azar Technical Illustrator Randy Drumm Technical Writers Bill Fiad June Lee PR Media Manager Rosa Senh President Andrew Edwards V P Finance Ed Ellingwood V P Operations Bob Nichols V P Product Development Dave Pincek V P R amp D Brian Taraci V P Engineering Steve Somers V P Human Resources Joanne Grush V P Information Technologies Ivan Perez Director of Sales Jeff Gibson Pacific Rim Sales Manager Geoff Abbott We welcome your comme
6. FAX 31 33 453 4050 465 226 0015 FAX 465 226 0019 EXTRONFAX 714 491 0192 o 6 U S A The Netherlands Singapore 24 hour access worldwide
7. I do it in real time Digitizing video data generates lots of numbers to store Receiving the RGB image from camera sensors would generate three full bandwidth data channels requiring considerable storage and processing speed But storing the component version of the video image requires less bandwidth just as it does in the processing chain which creates composite NTSC So devising a system that digitizes and stores the analog component signal makes sense This is 1 0 _0 0 o 0 o 264 _O 0 00 o 265 G _0 _ _0 _ _0 3 0 _o 0 _0 _0 _o _ Y CR CB Sample Y Sample Only FIGURE 1 4 2 2 ORTHOGONAL SAMPLING FOR NTSC STEVE SOMERS just what the CCIR 601 4 2 2 digital component system does And it s not compressed YCrCeB KEY TO DIGITAL DNA Recall that component video is made up of the Y channel higher bandwidth and two color components R Y and B Y lower bandwidth Component digital terminology for these signals is Y Cr Cb A separate A to D analog to digital channel is dedicated to digitizing each of the components The sampling rate must be the highest for the Y channel and can be lower for the two color difference channels According to our father of sampling theory Nyquist a signal must be sampled at a frequency of at least two times the highest input frequency This ensures that byproducts of the sums and differences of the sam
8. SUN SGI or CAD workstation images need to be displayed on a digital display device there may be difficulties Sometimes the display device won t lock onto higher resolution signals or the display device s internal scaler won t scale down signals properly An external scaler such as Extron s DDS 100 is designed to handle such difficulties Extron s DDS 100 is ideal for applications requiring lower resolution computer video to be displayed on higher resolution digital display devices Through up scaling Extron s DDS 100 allows the user to take advantage of the display device s higher resolution capability so an undistorted brighter picture is displayed High Resolution Workstation INPUT Plasma Display CONNECTIONS Extron s DDS 100 provides five BNCs for RGsB RGBS or RGBHV inputs Extron s DDS 100 accepts computer video resolu tions up to 1600 x 1280 with horizontal scan rates from 24 kHz to 100 kHz and vertical scan rates from 50 Hz to 120 Hz Five additional BNCs are provided for local monitor loop out so images can be previewed on a local monitor Extron s DDS 100 offers a variety of computer video Plasma and HDTV output rates For computer video Extron s DDS 100 offers these output rates 640 x 480 800 x 600 832 x 624 and 1024 x 768 Reflecting the growing presence of Plasma displays by Fujitsu NEC Pioneer and others Extron s DDS 100 outputs Plasma rates 848 x 480 852 x 480
9. direction of supportive depart ments including Dealer Training Internal Training Marketing and Trade Shows NICOLETTE COMMISSARIS Extron Europe s Nicolette Commissaris has been promoted to Regional Sales Manager Nicolette will manage Extron s sales and technical activities in Southern Europe and provide on site product demonstrations and training Nicolette began working at Extron in 1995 as Marketing Coordinator MANDI SPEER Mandi Speer has been promoted to Sales Manager of Developing Technology Mandi has been with the company for over three years and has been an invaluable asset to Extron s Sales team as National Sales Manager In her new postion Mandi will work with manufac turers in the industry to provide them with specialized Support and training Mandi will serve as the primary contact for manufacturers and Support all new technology with any new products they may need in the future CHRIS ELMORE Chris Elmore CTS has been promoted to Product Manager In his new postion Chris will work on product design and development Previously he was an Applications Engineer for the Northeast team Chris has also taught at CEDIA Regional Seminars Extron School and Extron School On the Road DVS 100 Extron s DVS 100 Digital Video Scaler scales up NTSC PAL SECAM video signals to match native resolutions of digital display devices such as LCD DLP and Plasma displays To optimize
10. other options as well such as a connection to its own intranet site or displaying videotapes The electronic bulletin board can be expanded by adding additional monitors and the self running slide presentations can be updated quickly and easily For more information please contact Ike Eckstein Visual Word Systems at 212 661 3366 A EQUIPMENT LIST FOR A SYSTEM gt BM compatible desktop computer and monitor B gt Extron VSC 100 scan converter gt Sony SLV 678HF VCR DP Blonder Tongue MVB45 RF Distribution Amplitier Sony 9 in KV 9PT606 monitor gt Multiple 27 in Sony KV27S40 monitors gt Multiple Bretford wall and ceiling mounts Would you like to see your installation covered here Do you have a unique method of using Extron products Tell us about it Call Rosia Senh at 714 491 1500 and your unique technique may be in the next issue of ExtroN ews EXTRONEWS JULY AUG 1999 TECH corner RS 232 Control Using HyperTerminal by Roger McCarten Product Manager When troubleshooting an RS 232 controlled AV system the main problem is usually determining what is at fault Is the problem with the RS 232 controlled device s or the commands given or with RS 232 wiring One way to make troubleshooting easier is to use HyperTerminal a terminal program found on most PCs HyperTerminal comes as part of Windows NT and Windows 95 98 HyperTerminal can be used to test RS 232 commands
11. privilege of greeting over 6000 guests at our party this past June We expect even more next year when Infocomm comes to our backyard in Anaheim California Without you there would be no party So I wanted to take a moment to personally thank you for your valued support I realize that it is because of you that Extron products are installed in so many systems It is your hard work long hours and dedication that makes the difference We know that as the represen tatives of Extron products you are on the front line As manufacturers we have it easy compared to you and appreciate your loyalty to Extron So thank you for placing your trust in Extron It is our goal to continually offer you quality service support and solutions at the same high standards you have always expected of Extron Next year at Infocomm stop by our booth and say hello We look forward to seeing each and everyone of you at Infocomm 2000 Andrew Edwards President Extron Electronics Extron s Internal Promotions JEFF GIBSON Jeff Gibson has been promoted from National Sales Manager to Director of Sales Jeff began his career at Extron over four years ago and has made signifi cant contributions to Extron s Sales team As Director Jeff will oversee all domestic and inter national sales and technical Support in Extron s USA Europe and Asia offices Working from our Anaheim CA headquarters his responsi bilities will also include
12. transmission and recovery of data on SDI you must pay attention to proper routing and termination techniques WORDS TO THE WISE Like analog signals SDI data can be corrupted with improper termination or routing that results in cable reflections Maintaining a clean distribution path with SDI means that decoding will largely be a function of the decoder sensitivity on the receiving end Assuming that bit transitions are recognizable the decoder will only be limited by its peak to peak sensitivity Be sure to apply all the analog signal tech niques you have learned to realize the most from a digital component application 4 For past articles go to http www extron com news extronews asp EXTRONEWS JULY AUG 1999 Thank You for Supporting Extron As you know Infocomm is not only a place where Extron announces new products conducts training and meets with dealers and consultants from all corners of the world it is also where we take the opportunity to thank you for supporting us throughout the year The Extron party reflects the level of appreciation we have for our valued customers where you are the guest of honor The original Extron Party began in 1991 ironically in this year s location of Orlando Florida Extron invited over 600 guests to join us on a 45 minute bus ride out to a plantation house where the fun began Since then because of your efforts Extron has grown to the point where we had the
13. up each bit one after the other to create a fully serial data stream that can flow on one cable To arrive at the resulting speed of the data stream requires some complex math 10 bits times 27 MHz equals 270 Megabits per second The signal is unbal anced and sourced terminated in 75 ohms just like regular video signals Signal level is specified to be 0 8 volts peak to peak 10 The serial digital interface is fully described in SMPTE 259M The high data rate of serial digital requires careful attention to cabling and equaliza tion No clock signal is transmitted with the data The data coding scrambler arrangement is such that enough data transi tions occur to allow full recovery of the data clock from the data itself On the receiver end of a SDI transmission is a phase locked loop system that locks onto the 270 Mbps signal derives the clock and divides the rate by 10 so as to recreate the original 27 MHz clock The phase lock is obtained by recognizing the EAV and SAV sequences which correspond to sync in the data stream The data is decoded or REGISTER m SCRAMBLER DESCRAMBLER EXTRONEWS JULY AUG 1999 PARALLEL 4 2 2 DIGITAL COMPONENT VIDEO SHIFT REGISTER SAV EAV DETECT DIVIDE descrambled and then deserialized via a shift register See Figure 3 SDI AND SHR In 1990 I designed the specification for the perfect coax cable for use in computer interfacing applications That spec turns out
14. when you are in this mode terminal keys the arrow keys and most other function keys will send a byte or multiple bytes out the comm port instead of doing the Windows navigation functions on the screen as you would expect associated size Zoom pan centering and filter settings for up to 130 source signals 30 locations are user presets that can be changed or erased The remaining 100 locations are factory loaded permanent presets that cannot be changed or erased When a video input is connected Extron s DDS 100 automatically scans user presets and then factory presets looking for a match between the video input s horizontal and vertical scan rates and a preset memory If a match is found the stored settings become active If no match is found a new user preset is automatically created and saved If user preset memory is full the EXTRONEWS JULY AUG 1999 Another useful HyperTerminal feature is the ability to send out any of the 256 possible RS 232 ASCII characters by using the numeric keypad Make sure the Num Lock key is pressed To do this hold down the ALT key and enter the desired numbers For instance hold down the ALT key and enter the 1 2 or 3 numbers needed 1 e 0 to 255 and then release the ALT key to send the single ASCII character Note When dealing with Hex code the procedure varies For example Hex 80 can t be sent by simply entering 80 on the numeric keyboard If you enter 80 wit
15. 1 AH Amersfoort 31 33 453 4040 FAX 31 33 453 4050 EXTRON ELECTRONIC INFORMATION EXTRONWEB www extron com EXTRONFAX 714 491 0192 24 hour access worldwide EXTRON ELECTRONICS ASIA 41B Kreta Ayer Road Singapore 089003 465 226 0015 FAX 65 226 0019 Singapore INFOCOMM 99 Orlando Florida Oct 11 12 vsccsccssssssseseeseestsseeseeeeEXtron School International cs Ne Netherlands Oct 25 26 viccscsceccneeeeeessersnsseeresssresseerEXtrOn School On the Road sssssssssnsnnnnnnnnnnnnnnnsnnnnnnnnnnan Atlanta GA Oct 27 28 wsccccseeceseeeereeesesnssesresseereeEXtrOn School On the Road ssssssssssnsnnnnnnnnnnnnnnnnnnnnnnnnnnan Atlanta GA NOV 18 19 ccccscescneeeceenserenssrerersrerrererEXtrOn School Sales Class cccscsseea Anaheim CA Dec 2 3 vcccscececeuserersereueussrenssrsressreEXtron School Technical Class ccssseeeseeeee Anaheim CA Dec 6 7 vcccccnsevenseecreeeeeeuesranesrereseEXtron School On the Road ccsceeeesesee New York NY Dec 8 9 vccscssccensereeseeeeeasersnsersresseEXtron School On the Road ssssssssssnsnsnnnnnnnnnnnnnnnsnnnnnn NeW York NY Dien EXTRON ELECTRONICS RGB SYSTEMS INC EXTRON ELECTRONICS EUROPE EXTRON ELECTRONICS ASIA EXTRON ELECTRONIC INFORMATION Pd 1230 South Lewis Street Anaheim CA 92805 Beeldschermweg 6C 3821 AH Amersfoort 41B Kreta Ayer Road Singapore 089003 EXTRONWEB wwwextron com im 800 633 9876 714 491 1500 FAX 714 491 1517 31 33 453 4040
16. 15 pin HD connectors for their inputs and offer D bit termination on pins 4 and 11 These models also add the conve nience of a buffered local monitor output All four models are available in a Euro channel version for electrical channel installations BACK VIEW OF EXTRON S RGB 508 ARCHITECTURAL SERIES ADVANTAGES Extron s Architectural Series interfaces offer advantages such as a low profile faceplate and shallow mounting depths for easy flush installation into walls podiums desks or any other flat surface This design combined with included wall mounting plates allows for easy installa tion into existing walls Faceplates are available in grey black and white Euro channel models are only available in white UNIVERSAL COMPATIBILITY Extron s RGB 500 Series universal inter faces are compatible with nearly every computer and display type on the market including VGA SVGA XGA SXGA XGA 2 MAC SUN and SGI Extron s exclusive Advanced Digital Sync Processing ADSP insures compatibility and distortion free images when used with ie 3 T j a T ic l a ror RGB 508 SHOWN IN GREY RGB 558 SHOWN IN BLACK i QO 2 g i 3 E E l li r ej tJ me RGB 508 SHOWN IN WHITE EXTRONEWS JULY AUG 1999 ry E a sie i Ei i L Extron s ar RGB 550 ta shown in gt a black grey Es T and white digital displays Each model has a hori zontal scanning range from
17. 9 High Definition Television HDTV signals in 4801 480p 720p or 10801 formats The projector inputs are RGBHV BNC 15 pin HD S video 4 pin DIN composite video BNC and component video BNC The suggested list price is 18 995 including lens Recommended Extron accessories For VGA use the P 2 DA2 MT P 2 DA2 WM SW2 VGA DA2 A AF or other VGA switchers and VGA plenum and non plenum cables For Mac use the Mac DA 2 Plus and our Mac VGA adapters For RGBHV systems use the RGB 130xi RGB 150xi or Architectural interfaces To get video into the VGA switcher use the DVS 100 For complete system control use the System Scr G1500 MITSUBISHI ELECTRONICS AMERICA INC Mitsubishi has recently introduced the 120 LCD projector The S120 offers a horizontal scanning range from 15 to 82 kHz a vertical scanning range from 50 to 85 Hz and a native resolution of 800 x 600 It is capable of dual set up compression to display a maximum resolution of 1280 x 1024 SXGA The projector inputs are RGB component video 15 pin HD composite video RCA and S video 4 pin DIN It weighs approximately 10 pounds and offers a brightness output of 800 ANSI lumens It offers a built in PCMCIA card slot allowing for computer free presenta tions and low cost field force automation The suggested list price is 4 995 Recommended Extron accessories For VGA use the P 2 DA2 MT P 2 DA2 Plus SW2 VGA DA2 A AF or other VGA switchers and V
18. A2 A AF Switcher amp Distribution Amplifier Extron introduces the SW2 VGA DA2 A and SW2 VGA DA2 AF Each is a surface mountable two input two output combina tion switcher and distribution amplifier When a presenter needs to use a personal laptop and the conference room s PC as two video and audio sources the presenter may use Extron s SW2 VGA DA2 A or SW2 VGA DA2 AF to switch either video input to the podium preview monitor or the projector With 300 MHz 3dB video bandwidth the SW2 VGA DA2 A AF switches two VGA sources to two indepen dently buffered VGA outputs For audio the SW2 VGA DA2 A AF switches two unbal anced stereo audio sources to one stereo audio output balanced or unbalanced Extron s 130xi Kit is stored in a hard plastic case and includes monitor breakout cables for SUN SGI NeXT HP DEC Mac SVGA XGA and IBM PowerPC computers Included in the kit is our popular SRI 200 scan rate measuring device and a 25 foot 7 5 meters BNC cable for connection to any industry standard presentation system Extron s 130xi Kit is ideal for companies interfacing with multiple CAD workstations and other high reso lution PCs Extron s 130xi Kit PN 42 028 01 lists for 1350 RGB 190 Universal Intertace Kit Extron s 190 Kit is designed for connecting any VGA SVGA SXGA XGA XGA 2 Mac Quadra SUN or SGI workstation or computer to monitors or projection display systems Extron s 190 Kit is store
19. CD ROM in both domestic and international versions As the AV industry continues to undergo tremen dous growth and develop emerging tech nologies AV professionals need to educate themselves constantly to keep up with all the changes Extron respects the need for education and continues to provide valuable training to AV industry members through resources such as Extron School Extron School On the Road and Extron s Handbook of Computer Interfacing and Video Distribution Extron s Handbook VI CD ROM is loaded with new training materials including updated articles from previous Handbook Volumes I through V new articles for Handbook Volume VI new system design exercises a reference list of graphic card pin configurations an updated trouble shooting guide and a comprehensive glossary of AV industry terms Extron s Handbook CD ROM is housed in a binder with room and tabs for other Extron litera ture over 100 pages of expanded cross reference lists for VAA th att g computer and graphics cards as well as presentation displays Extron s 1999 2000 Product Catalog newsletters and brochures New AV professionals will find the Handbook useful for training while veterans will find the Handbook useful for both reference and advanced training espe cially since it pulls together new materials from Vol VI and updated materials from five previous generations of Extron s Handbook Vols I V The Hand
20. Da Feige P Py Fog Ra RGB 103xi as well as simultaneous composite and separate horizontal vertical sync Extron s exclusive Advanced Digital Sync Processing technology ADSP provides all digital processing of sync signals eliminating problems such as image tearing and hooking that commonly occur when poor methods of sync processing are used with digital display devices DLP LCD plasma etc Extron s RGB 103xi RGB 109xi and RGB 112xi also provide audio interfacing with computer generated audio signals being converted to line level balanced audio POWER AND FLEXIBILITY Optional detachable mounting kits add to the flexibility of Extron s dedicated interfaces An under desk mounting kit RGB 109xi RGB 112xi allows each interface to be mounted under any flat surface such as a desk podium table cabinet wall etc Through desk mounting kits allow the fixed video input cables and local monitor outputs to be easily accessed while power balanced audio and video output cables are hidden away behind the surface being penetrated Also visible from the front panel is each interface s scan rate indicator This LCD display will accurately display the input signal s horizontal and vertical sync frequencies and indicate when the horizontal shift feature is in use The RGB 103xi PN 60 281 01 RGB 109xi PN 60 289 01 and RGB 112xi PN 60 282 01 list for 720 each http www extron com pro
21. GA extension cables For Mac use the Mac DA2 Plus and our Mac VGA adapters 120 PLUS CORPORATION OF AMERICA Plus Corporation has recently debut the PLUS U2 1080 XGA DLP projector The PLUS U2 1080 is compatible with SXGA compression XGA True SVGA VGA Expansion True and Macintosh It weighs 5 7 pounds is 2 28 high and delivers 800 ANSI lumens of brightness It has a horizontal scan range from 15 to 85 kHz a vertical scan range from 50 to 85 Hz and a native resolution of 1024 x 768 The projector inputs are RGB 15 pin HD composite video RCA and S video 4 pin DIN The suggested list price is 8 995 Recommended Extron accessories For VGA use the P 2 DA2 MT P 2 DA2 Plus SW2 VGA DA2 A or other VGA switchers and VGA extension cables For Mac use the Mac DA2 Plus and our Mac VGA adapters PRINCETON GRAPHIC SYSTEMS Princeton has recently announced their new direct view 30 inch viewable HDTV monitor the AF3 0HDS The AF3 0HDS supports all ATSC HDTV formats video and VGA SVGA and XGA resolutions from computer sources It is the first direct view 16 9 aspect ratio monitor to display all HDTV formats while maintaining compati bility with today s current NTSC signals It has a horizontal scanning range from 30 to 50 kHz a vertical scanning range from 50 to 90 Hz and a maximum resolution of 800 x 768 pixels The AF3 0HDS includes multiple inputs for digital analog and HDTV The inputs connecto
22. L gt lt P A ramas A ea Extron s DDS 100 is a Digital Display Scaler that scales incoming computer video signals up or down to match the native resolution of the digital display device being used Digital display devices are increasingly taking the place of CRT projectors in new A V systems as well as installation upgrades Most fixed pixel displays require specific resolutions in order to produce the highest quality images possible Extron s DDS 100 accepts computer video reso lutions up to 1600 x 1280 with hori zontal scan rates from 24 kHz to 100 kHz and vertical scan rates from 50 Hz to 120 Hz Extron s DDS 100 offers a wide variety oo For many Extron s annual party has become one of the highlights of every INFOCOMM and this year s Ship Wreck Bash in Orlando Florida was no exception There was food games crab races alligators Gilligan and of course one of the biggest Battle of the Bands ever What s the Battle of the Bands Not really a battle at all but a friendly venue for A V professionals to escape the rigors of INFOCOMM by performing their favorite blues and rock n roll tunes for the crowd Over the next few issues of ExtroNews we ll highlight the perfor mance of each band that rocked the stage at Extron s Ship Wreck Bash While the majority of bands appearing at Extron s INFOCOMM parties draw their members from a single company the All Star Band whic
23. PLUS U2 1080 AF3 0HDS NOTEVISION 7 EXTRONEWS JULY AUG 1999 Digital Video Continued from page 5 minimum sample rate of 12 MHz Nyquist and supports data transfers between NTSC and PAL Remember that no subcarrier frequency exists in component video so there is no issue with the sampling frequency relationship and a subcarrier Both standards have 720 active video samples per line and only the number of lines in each frame changes 485 active for NTSC and 576 active for PAL This makes video transfers much simpler The chroma channels Cr Cb sample rate is conveniently one half the video sample rate or 6 75 MHz So one half as many chroma difference samples are taken 360 as compared to the Y channel This provides acceptable results because the chroma bandwidth is lower All sampling is locked to the horizontal scan time such that each sample is in a predictable location thus creating an orthogonal sampling methodology See Figure 1 To maintain a sampling reference one sample of Y Cr and Cb is locked to the 50 point of the falling edge of the analog sync pulse These relationships explain the terminology 4 2 2 for the sampling of Y Cr and Cb In simple terms it means we are taking 4 samples of Y and 2 samples of Cr and 2 samples of Cb during a hori zontal line scan time Add these samples rates together 13 5 MHz plus 6 75 MHz plus 6 75 MHz and you get 27 MHz which is the master clocking
24. SETTINGS type won t appear as you type them To set this up first select Properties which is under the File menu This will bring up the Connection Name properties box Select the Settings tab and then select the ASCII Setup button This will bring up the ASCII Setup dialog box Figure 4 Check the box to Echo typed characters locally shown checked Then click on OK twice and the connection will be set up to display the text that 1s typed Test the connection by typing a Simple Instruction Set SIS command such ter T bien _ _ ra ae Page lege Bri iE dea Darei Te irg Pma pa prd h ey i H DU hiis hA Y ea be eds tower Ei bri eure ied im D Hp m i a Lai rer a a a herir DO Dian Fe adi h i E EG yiki a tance ce D Herera U jp ler reh a ory be ah P earem iis io Da mii ai a ed a Sy Da Comet FIGURE 4 ASCII SET UP Hee Limran Preeti Caweci Te Seine Furci amore ered cid kag acd a A aid bape a k sires dataset F 8 im butter been Gee these bese eben eoeta eree FIGURE 5 CONNECTION PROPERTIES as 1 to select audio and video on input 1 On a matrix try typing 2 2 to route input 2 to output 2 Verify the switch connection has been made Note The characters will be sent out as you type them It is not necessary to hit Return to send the characters DDS 100 continued from page 2 of vertical filtering to reduc
25. al quality of an analog event is paramount in the televi sion broadcast industry This concern alone drove the development and adoption of the ubiquitous digital recording format referred to using various names 4 2 2 Component Digital CCIR 601 D1 or perhaps SDI Serial Digital Interface Why is digital anything better than its analog version The reason digital is better has to do with its ability to replicate information consistently with very little or no degradation from time to time or copy to copy This is because information used to replicate an analog event is saved as a stream of numbers representing samples of the analog level over time In other words as the analog event is occurring our recording system is precisely measuring the video level at regularly controlled time intervals and storing only the value measured Capturing data from something at regular intervals is called sampling If the recorded samples are Scan Line played back under the same sampling time interval with the reverse sampling process the original event is restored The value here is obvious for the recording of any analog event The decision making process for the design of a digital recording system involves many parameters among which are How often to sample What measure ment resolution do I need Do I have enough storage space for all these numbers Can I transmit the informa tion cost effectively Can
26. and to directly test any RS 232 controlled equipment thereby allowing problems to be isolated FIGURE 1 STARTING HYPERTERM IN AL IN WINDOWS 95 NT GETTING STARTED On Windows 95 and Windows NT HyperTerminal can be started by going to the Start button Figure 1 and selecting Programs then selecting Accessories then HyperTerminal On Windows 98 HyperTerminal can be found under Communications which is under the Accessories menu When HyperTerminal is first started a setup box will come up Figure 2 Type in a name that describes the connection you want to make any name will do Pick an icon then Conmection Dictcepion ME ieee Correction Erim anare end choco m Een y She cen 3936004 FIGURE 2 NAMING THE CONNECTION click on OK This will take you to a second Set Up box This is where the communica tions port can be selected Always double check that your cable is connected to the correct port Select the communications port you want to use and click on OK This will bring up the COM Properties dialogue box Figure 3 Configure your settings as needed Extron products default to 9600 baud rate 8 data bits parity none stop bit 1 and flow control none Click on OK and the connection will be made For ease of use HyperTerminal should be set up so the characters you type will be echoed on the screen otherwise the characters you pi hael fee ar ae COS Fosgate FIGURE 3 PORT
27. book may be used as part of a training curriculum beginning with intro ductory articles about AV industry funda mentals every newcomer should know such as the video food chain computer systems and bandwidth Intermediate level articles introduce and discuss frequently used video technologies and applications like interfacing and switching Advanced articles discuss more recent technologies such as matrix switching scan conversion and video equalizing For experienced AV industry members these articles may be used as reference articles or as training articles discussing evolving or new tech nologies and applications For the hands on portion of a training or refresher course Extron s Handbook CD includes a newly developed section with system design exercises The exercises involve realistic scenarios requiring actual products whose specs may be found in Extron s catalog and reference lists for display devices and computer amp graphics cards Extron poses five common AV system scenarios a videoconferencing system a home theater a boardroom a projector evaluation system and a computer lab There are design analysis forms and design worksheets available for print out and the work sheets are full color application drawings that help a system designer visualize these system JEFF GIBSON scenarios Sample solutions are illustrated at the end of this section Closing Extron s Handbook CD is the reference
28. d in a hard plastic case and includes Extron s RGB 190 universal computer video interface with The video input output connectors are 15 pin HD female connectors For audio Extron s SW2 VGA DA2 A AF provides a 3 5 mm female audio jack for inputs and a 3 5 mm captive screw connector for output The sole difference between the SW2 VGA DA2 A and SW2 VGA DA2 AF is in placement of connectors for one of two inputs The SW2 VGA DA2 A offers all connectors on the back panel The SW2 VGA DA2 AF offers a video connector and an audio jack for one input on the front panel and all other connectors are on the back panel Extron s SW2 VGA DA2 A AF is compat ible with VGA SVGA XGA SXGA and VESA sources and http www extron com product product asp id 130xikit 350 MHz 3dB video bandwidth and a horizontal scanning range from 15 kHz to 150 kHz Also included are Mac and 13W3 monitor breakout cables as well as a 25 foot 7 5 meter BNC cable for connection to any presentation system The 190 Kit is perfect for computers and workstations that generate signals requiring an interface with the highest bandwidth The 190 Kit PN 42 026 01 lists for 650 00 http www extron com product product asp id 1 90kit display devices Extron s auto switchable SW2 VGA DA2 A AF can switch and distribute Mac signals by using an optional Extron Mac VGA adapter s A detachable mounting kit is included for under desk mounting and o
29. duct product asp id rgb103xi http www extron com product product asp id rgb109xi http www extron com product product asp id rgb1 1 2xi RGB 500 Architectural Series Interfaces Extron s Architectural Series of universal computer video interfaces now includes a variety of streamlined low profile products that feature Extron s exclusive Advanced Digital Sync Processing ADSP in addition to audio inter facing peaking and more Extron s RGB 500 series SOLUTIONS FOR EVERY APPLICATION Extron s RGB 500 Series consists of four models RGB 500 RGB 508 RGB 550 and RGB 558 RGB 500 and RGB 550 models are both available in a Dual configuration with two fully func tional interfaces on a four gang mounting plate This provides a centralized interfacing solution for multiple computers Extron s RGB 508 and 558 offer architectural openings that may be used with over 100 optional Architectural Adapter Plates These plates are available with many of the connector types used in A V installations and provide flexible signal pass through solutions with the interface saving space and eliminating loose cables RGB 500 Extron s RGB 500 and RGB 508 use a 9 pin input and provide switch controlled 75 ohm video termination This allows both models to interface with a variety of computers and provide termination for machines that require it to operate their graphics outputs RGB 550 and RGB 558 models use
30. e flicker By applying these user selectable filters Extron s DDS 100 produces sharp stable pictures When minute details of CAD drawings or other fine images need to be pointed out Extron s DDS 100 zooms in to produce clear close ups Its variable zoom control uses increased pixel clocking for smooth clean zoom ins and outs For panning across an image horizontal and vertical centering pan controls shift the physical position of a displayed image and keep this image centered for any panning motions MEMORY FEATURES Extron s DDS 100 memory holds a total of 130 locations that store scan rates and To start up a communication setting that you already created look on the menu that comes up when the HyperTerminal menu is selected The name of the file you created should appear on this menu Select this file instead of the HyperTerminal program to pull up your saved settings HYPERTERMINAL TIPS One feature of HyperTerminal that may be of particular value is the ability to send invisible codes such as the arrow function and control keys To do this go to the File menu in HyperTerminal and select Properties This will bring up a dialog box Select the Settings tab Figure 5 If you select the Terminal Keys setting the function arrow and control keys will send out their RS 232 character codes through the RS 232 port If the Windows Key setting is selected the keys will perform the normal Windows functions Remember that
31. e unable to get together again until 1999 The story goes that Putman ran into Higgins at this year s National Association of Broadcasters conven tion in Las Vegas where Higgins told Putman We re getting the band back together Putman started thinking this sounded an awful lot like something he heard in a movie but signed on anyway The finished line up Bruce Allers of BARCO guitar Wayne Bickley of Electrohome drums Frey of Digital Projections guitar Rich Macpherson of NEC guitar Putman keyboards and two of the Stewart brothers from Stewart Filmscreen Don on bass Tom on tambourine Higgins lent his guitar and voice to the mix The obvious problem involved with assem bling a band from different companies and opposite sides of the U S is getting them together to rehearse Unlike the company Tweeker Contest It s a TIE l m _maized ATEAC o eii flee Tee Exbron TWEeReT Rick Parlee Audissey EXTRONEWS JULY AUG 1999 based bands some of the All Stars did not even meet until the show itself and the first practice of the entire band occurred only 30 minutes before the show started Prior to that Putman and Higgins had convinced a hotel manager to let the two of them use a ballroom with an upright piano and the night before the show some of the band members jammed in Don Stewart s hotel room By all accounts the neighbors were not amused The show did go on with the All Stars openi
32. guide section which includes a reference list of graphic card pin configura tions a full color troubleshooting guide and a full color glossary of AV industry terms Extron s Handbook VI is being released in a PC and Mac compatible CD ROM format The CD ROM format provides a user with advantages that a print format does not provide portability a table of contents with direct links to all Handbook sections and full color print capability Previously a user would have to take the entire Handbook binder home for study or out to an installation site as reference Now Handbook VI is conveniently located on one lightweight and portable CD that fits into a pocket of a tote bag Since the table of contents has direct links to the materials listed a user can easily look up any topic and go immediately to the appro priate article For further study a user may print out Handbook materials in full color since the Handbook offers full color appli cation drawings especially handy for visu alizing RGBHV cabling Extron s Handbook Vol VI Domestic PN 67 051 01 and International PN 67 051 02 lists for 60 00 US Dollars If you have any questions please contact an Extron Customer Support Representative at 714 491 1500 Extron USA 31 33 453 4040 Extron Europe or 65 226 0015 Extron Asia A EXTRONEWS JULY AUG 1999 Digital Video Are You 4 2 2 Compliant by Steve Somers V P Engineering Maintaining the origin
33. h ALT on the keypad you ll send a P which is Hex 50 Hex 80 is actually Decimal 128 and 128 should have been entered Numerical characters generated with the ALT key need to be specified in decimal values through 255 For these complex strings it would be a good idea to generate your keyboard actions on paper before typing them Also keep in mind many devices will timeout and throw away part of your command string if you take too long to enter a command A new user preset overwrites the oldest user preset CONTROL For easy and quick control Extron s DDS 100 features RS 232 and front panel control RS 232 control is available via third party control Extron s Windows based control program or Simple Instruction Set SIS Front panel control is available via menu buttons and the LCD panel which displays status changes and provides access to multi level menus for any adjustments Extron s DDS 100 PN 60 305 01 lists for 2995 00 US Dollars A hitp www extron com product product asp id dds100 EXTRONEWS JULY AUG 1999 Pat Charlton New News Extron Electronics 1230 South Lewis Street ExtroNews publishes information about new products that are relative to the Extron product line in the New News section If you would like a new product to be reviewed for New News Anaheim CA 92805 fromthe please send a press release literature contact Phone 714 491 1500 ext 6244 USTRY
34. h was joined this year by groups from BARCO Electrohome and NEC brings together representatives of several industry leaders eli i TESES of output rates at computer video plasma and HDTV resolutions As a convenient memory feature Extron s DDS 100 memory holds 130 locations that store scan rates and associ ated size zoom pan centering and filter settings for up to 130 source signals Extron s DDS 100 offers four levels of horizontal filtering and ten levels of vertical filtering to reduce jitter improve image stability and minimize loss of picture detail To adjust displayed images Extron s DDS 100 features variable zoom control as well as horizontal and vertical centering pan controls In order to make these za panes n3 m Z miaa ha a ee ee ial ioe O O ee s a SS BE 4 4 Aa EXTRON S DDS 100 DIGITAL DISPLAY SCALER THE ALL STAR BAN D In This Issue Tweeker Use Extron s New Handbook Digital Video New Products Unique Techniques Tech Corner RS 232 Control New News EXTRONEWS JULY AUG 1999 DDS 100 continued from page 1 adjustments RS 232 control and front panel control are available APPLICATIONS Digital display devices may be found anywhere from a distance learning classroom to a corporate conference room to a community auditorium But not every computer will output images at the specific resolutions required When high resolution
35. image quality on digital display devices as well as maintain maximum image brightness and detail lower resolution NTSC PAL SECAM video resolutions need to be scaled up to RGB resolutions that match the sweet spot or native resolution of digital display devices The DVS 100 accepts composite video S video and component video inputs and offers a wide variety of RGB resolution output rates To eliminate edge noise the DVS 100 features variable top and bottom vertical blanking Images scaled by the DVS 100 are sharp and brilliant with enhanced depth filling the LCD DLP or Plasma screen HDTV amp PLASMA OUTPUT RATES Extron s DVS 100 provides output rates to match a wide variety of computer video progressive H DTV and Plasma resolutions Plasma rates match native resolutions and sync timings of Plasma displays from Fujitsu NEC Pioneer and others Progressive H DTV rates 480p 720p and 1080p are also available VERTICAL BLANKING Unique to Extron the DVS 100 offers variable top and bottom vertical blanking During scaling captioning and tapehead switching in the video s blanking area shows up as picture noise Using Extron s exclusive variable blanking a user may add black lines at the top and bottom of the screen to eliminate edge noise OUTPUT RATES The scaled RGB output is available simultaneously on a 15 pin H D con nector and sx BN Cs Extron s DVS 100 offers scalable outputs at these rates 640 x 480 480p 800
36. llary differential lines in a 25 conductor cable requires some attention to cable 720 a A 10 Bits Wide a l SAMPLES FREQUENCY 4 13 5 MHz 6 75 MHz 6 75 MHz 27 0 MHz FIGURE 2 4 2 2 SAMPLING STRUCTURE construction detail Those of you with a fondness for assembling 15 pin HD VGA connectors will love this interface Data and or clock skew occurring over non matched conductors will corrupt transmis sion Within the broadcast production plant the amount of real estate required for 25 pin connectors and their connections becomes an issue particularly for routing equipment Because of cabling and connec tors most of us will not work with component digital in the parallel connection scheme Nor will we desire to The closest we usually get is running our printer cable to our computer and that s limited to ten feet maximum with predictable results ENTER SDI The Serial Digital Interface simplifies the connection and routing of component digital signals to one coaxial cable Most likely you have already encountered this connection Like composite NTSC it can be routed with one BNC cable or optical fiber from place to place but that s where the similarity ends This ability comes at the PARALLEL 4 2 2 DIGITAL COMPONENT VIDEO SHIFT 27 MHz CLOCK 10X PLL cost of higher data rates specifically 10 times A serializer system is used to take each incoming parallel data byte and line
37. metropolitan area Now we are adding another three installa tions COMMUNICATION COMPONENTS Each store s equipment is located in a centralized secure location The system 1s comprised of a desktop computer its local monitor an Extron scan converter a Sony VCR a Blonder Tongue RF distribution amplifier and a 9 Sony preview monitor Macy s personnel can then create and make changes to PowerPoint slides from the system s control room on an as needed basis The PC and its local monitor connect to the Extron VSC 100 scan converter The VSC 100 scan converts the presentations from RGBHYV to composite video so the Sony SLV 678HF VCR accepts the input With the VCR Macy s can record the slide presentation or run videotapes The VCR modulates the composite video signal to RF and outputs to the Blonder Tongue MVB45 RF Distribution Amplifier The DA amplifies and distrib utes the signals to a 9 local Sony KV 9PT60G monitor as well as multiple 27 Sony KV27S40 monitors in Bretford wall or ceiling mounts The local monitor allows Macy s to preview the images after Macy s vault above and employees lounge right the computer video signals have been scan converted to composite video signals and then transformed into RF signals Currently the PowerPoint presentations run without audio but Macy s can add audio at any time The RF DA uses one wire to carry both video and audio signals so the transmi
38. name and a four color slide or photo to pcharlton extron com EPSON AMERICA INC Epson has recently introduced the PowerLite 8000i LCD projector The PowerLite 80001 projects 2000 ANSI lumens brightness output and weighs 17 4 pounds It offers a horizontal scan range from 15 65 to 93 75 kHz a vertical scan range from 50 to 96 Hz and a native reso lution of 1024 x 768 It features Epson s patented SizeWise resizing technology allowing for compatibility up to UXGA 1600 x 1200 resolution The PowerLite 80001 offers two computer inputs RGBHV BNC and 15 pin HD and two simultaneous video sources S video 4 pin DIN and composite video BNC The manufacturer s suggested retail price is 15 999 Recommended Extron accessories For VGA use the P 2 DA2 MT P 2 DA2 WM SW2 VGA DA2 A AF or other VGA switchers and VGA plenum and non plenum cables For Mac use the Mac DA 2 Plus and our Mac VGA adapters For RGBHV systems use the RGB 130 7 RGB 150xi or Architectural interfaces To get video into the VGA switcher use the DVS 100 For complete system control use the System Scr POWERLITE 8000 HUGHES JVC Hughes JVC has recently introduced the G1500 D ILA projector The G1500 offers a horizontal scan range from 15 to 82 kHz a vertical scan range from 50 to 150 Hz and a native resolution of 1365 x 1024 It has a brightness output of 1 500 ANSI lumens and weighs 37 pounds It displays data as well as 16
39. ng with Van Morrison s Domino followed by RP Higgin s ode to INFOCOMM The Shoot out Blues and closing with Check Berry s Johnny B Goode The fact that the All Stars managed a credible performance despite their lack of rehearsal time can be attributed to their knowledge of the songs and their experience as musicians Getting eight guys to sound good together is not exactly easy even with what Higgins admits are pretty basic songs Unfortunately for the All Stars a lightning storm cut short their set I was playing a solo and Pete Putman was playing keys behind me and eventually we looked up and the crowd was gone says Frey Don Stewart adds There was some fear of extra pyrotechnics on the stage The rain ended shortly and the party continued into the night A Send entries to Extron Tweeker Contest 1230 S Lewis Street Anaheim CA 92805 Send us your photograph of how you use the Tweeker If we publish it in a future issue of ExtroNews we ll give you a free VTG 150 Rusty Howell Consolidated Media Systems EXTRONEWS JULY AUG 1999 Training and Reference in One Package Extron s new Handbook Volume VI by Jeff Gibson Director of Sales Extron is pleased to introduce the newly revised Handbook of Computer Interfacing and Video Distribution Volume VI A comprehensive educational resource for both veteran and new AV professionals Volume VI is offered on
40. nts and contributions Please submit ideas to Marketing Dept e 714 491 1500 800 633 9876 Volume 10 Number 4 July Aug 1999 ExtroNews is published by Extron Electronics RGB Systems Inc 1230 South Lewis Street Anaheim CA 92805 All rights reserved No portion of this newsletter may be reproduced in any form without written permission from the managing editor of Extron Electronics ExtroNews Every effort has been made to ensure accuracy in con tent however Extron assumes no responsi bility for errors and omissions in the infor mation provided herein ExtroNews is sent free of charge to communication industry professionals and end users Send address changes requests for copies and editorial correspondence to Marketing Dept Extron Electronics at the address above or call 714 491 1500 or 800 633 9876 FAX 714 491 1978 Printed in the United States of America Battle of the Bands continued from page 1 There s so many ex professional musicians and there s actually some guys that are still playing professionally says Peter Putman of PHP Communications Putman is one of the industry s most well known writers and consultants and is among many in the A V industry that have spent time on and behind the stage Don Stewart of Stewart Filmscreen adds Many musicians end up in this industry so you do have some good talent Enter RP Higgins of Electrohome who in 1995 recognized that this large pool
41. of talent was out there just waiting to be tapped It was my idea to come together with something that wasn t a competition because the shootout was competition enough says Higgins referring to the side by side compar ison of projectors chaired by Extron s Vice President of Engineering The ICIA sponsored ShootOut has become synonymous with INFOCOMM We wanted to make this more a bury the hatchet sort of thing and have some fun It didn t take long for a line up to be put Tweeker Use 51 Nashville s Rusty Howell of Consolidated Media Systems Inc and Honolulu s Rick Parlee of Audissey have just made Extron Tweeker history They are the first tie winners of Extron s Tweeker Contest Rick declares I am a maize d at the versatility of the Extron Tweeker Well Extron is a maize d at the synchronicity involved two Tweeker fans thousands of miles apart coming up with the same innovation The winning entries were even postmarked on the exact same day June 23 1999 Great minds really do think alike and at the same time Were a l cy ar together and true to Higgins aim many direct competitors happily fill the ranks of the band It s nice that the guys I played with were from BARCO and Electrohome and there was no industry animosity says Keith Frey of Digital Projections We were just having a lot of fun The All Stars played the 1995 and 1996 INFOCOMM shows but wer
42. on s P 2 DA2 WM offers level and peaking controls to maintain signal integrity For video Extron s P 2 DA2 WM provides a 15 pin HD male input connector and two 15 pin HD female output connectors For EXTRONEWS JULY AUG 1999 plasma displays Extron s DVS 100 outputs plasma rates 848 x 480 852 x 480 1280 x 768 and 1360 x 765 Also available are progressive HDTV output rates 480p 720p and 1080p Scaled RGB output is available simulta neously on a 15 pin HD connector and six BNCs Extron s DVS 100 PN 60 304 01 lists for 2325 00 US Dollars http www extron com product product asp id dvs100 provides level and peaking to maintain signal integrity over long cable runs For video input and outputs Extron s P 2 DA2 MT features 15 pin HD female connectors For audio Extron s P 2 DA2 MT features a 3 5 mm female jack for input and a 3 5 mm captive screw connector for balanced or unbalanced output Extron s P 2 DA2 MT can also distribute Mac signals by using an optional Extron Mac VGA adapter s Extron s P 2 DA2 MT PN 60 295 01 lists for 375 00 US Dollars http www extron com product product asp id p2da2mt audio Extron s P 2 DA2 WM features a 3 5 mm female input jack and a 3 5 mm captive screw connector for balanced or unbalanced output Optional Mac adapters are available A Euro Channel model is only available in white The P 2 DA2 WM is available with Architectural Adapter Pla
43. pling process will not erroneously appear within the passband of intended signal When this problem does occur we call it aliasing Now although there are a number of frequencies that satisfy Nyquist and could be used to digitize quality video the exchange of video information between standards became a great concern both in the U S and Europe The 4 2 2 standard uses a 13 5 MHz sample rate since it satisfies the continued on page 16 For more information on these or any other products contact an Extron Customer Support Representative at 714 491 1500 or 800 633 9876 Extron USA 31 33 453 4040 Extron Europe 65 226 0015 Extron Asia EXTRONEWS JULY AUG 1999 TS Three New Dedicated Interfaces with Audio And ADSP Extron introduces three new dedicated computer video interfaces with active audio interfacing Extron s RGB 103xi for Apple computers RGB 109xi for SVGA SXGA XGA models and RGB 112xi for workstations using the 13W3 connector Dedicated interfaces are compact easy to use and cost effective solutions designed to provide connectivity between presentation display devices and a specific type of computer Several different models are necessary to cover the range of computers that may be found in an installation All three interfaces feature a scanning range from 15 kHz to 125 kHz and 300 MHz 3dB RGB video bandwidth The six BNC outputs of each interface will output sync on green
44. ptional through desk mounting brackets are available For Extron s SW2 VGA DA2 A PN 60 297 01 and SW2 VGA DA2 AF PN 60 297 02 list price is 575 00 US Dollars Pall i L a aar ie EE E T http www extron com product product asp id sw2vgada2a DVS 100 NTSC PAL SECAM Video Scaler Extron s DVS 100 is a digital video scaler that scales up NTSC PAL SECAM video formats to analog RGB formats at computer video plasma or progressive HDTV resolutions The DVS 100 converts the horizontal and vertical sync timing and number of lines for the composite video S video or component video input to match the native resolution of the projector or other display device The image is then able to fill the entire screen horizontally and vertically while remaining undistorted The image brightness increases because all the pixels of the display device are illumi nated For improving picture quality Extron s DVS 100 offers variable top and bottom vertical blanking Not all of the video P 2 DA2 MT VGA Distribution Amplifier with Audio Extron s P 2 DA2 MT is a surface mountable one input two buffered output R P 2 DA 2 WM VGA Distribution Amplifier with Audio Extron s P 2 DA2 WM is a wall mountable one input two buffered output VGA distribution amplifier with audio Enclosed in a two gang box with a wall input s lines are used for image informa tion Some of the lines at the top and bottom
45. rs are YPbPr RGBHV BNC VGA 15 pin HD S video 4 pin DIN and composite video RCA The S video and composite video signals are processed with the AF3 0HDS s built in line doubler for enhanced resolution It also has an active RS 232C serial communications port The suggested list price is 4 400 Recommended Extron accessories To convert video use the DVS 100 To convert component HDTV video to RGB use the CVC 100 To convert high resolution computer rates that are above 50 kHz use the DDS 100 EXTRONEWS JULY AUG 1999 SHARP ELECTRONICS CORPORATION Sharp has recently introduced the ultra portable Notevision7 XG NV7XU DLP projector The Notevision7 is one of the slimmest digital projectors on the market today just 2 3 inches thin and weighing under 6 pounds It has a hori zontal scan range from 15 to 126 kHz a vertical scan range from 43 to 200 Hz and a native resolution of 1024 x 768 It offers a brightness output of 800 ANSI lumens The projector inputs are 15 pin HD 20 pin MDR PanelLink DFP composite video RCA S video 4 pin DIN and component video 15 pin HD The suggested list price is 8 995 Recommended Extron accessories For VGA use the P 2 DA2 MT P 2 DA2 Plus SW2 VGA DA2 A AF or other VGA switchers and VGA extension cables For Mac use the Mac DA Plus and our Mac VGA adapters To convert video use the DVS 100 To convert component HDTV video to RGB use the CVC 100
46. ssion system is quicker and more cost effective to install especially since New York City requires all plenum cabling The system uses plenum rated cable for all the connections The cable runs to the multiple monitors may be as long as 750 1000 feet since some Macy s stores can have several levels For example Macy s Herald Square runs cables from the 4th floor down to the street floor and up to the 8th and 9th floors And some installations may need Monitors in action next to cable runs connecting opposite ends of the building BUILDING A SYSTEM BASED ON PERFORMANCE AND RELIABILITY A thoughtful application a well designed solution and well chosen gear lead to short term as well as long term high performance and reliability Eckstein explains that he chose the components based on specific factors Manufacturer s name and reliability serviceability price and performance There have been no problems with these systems they ve been consistent so we haven t made any major changes from the initial system design Macy s electronic bulletin board is an elegant way to incorporate a uni direc EXTRONEWS JULY AUG 1999 tional communications system into a predetermined presentation environment The multiple display communications system with a central information source streamlines and keeps corporate commu nications up to date Currently Macy s only displays PowerPoint slides but they are exploring
47. tes List price for the P 2 DA2 WM grey PN 60 296 01 is 385 00 US Dollars Please contact an Extron customer support representative for pricing on AAP and Euro channel config urations as well as models with black or white faceplates http www extron com product product asp id p2da2wm EXTRONEWS JULY AUG 1999 Unique Techniques Macy s Promotes Improved Employee Communications Electronically Each morning at a Macy s department store the store manager would stand on an escalator five steps from the bottom as store employees gathered for the early morning meeting The manager would then proceed to tell everyone about current sales announce reminders and mention any special store hours This scenario was played out every day at numerous Macy s East Division stores from Maine to Florida Unfortunately some employees did not start their work shift until later in the day and some stores are so large that it s difficult to gather everyone around one escalator at a specific time every day Macy s realized that a more effective and efficient way of communicating to store employees was needed Hence an elec tronic communications system an elec tronic bulletin board has started to become an integral part of Macy s stores in New Jersey in New York and down the coastline Macy s explained the store s situation and needs to Ike Eckstein of New York s Visual Word Systems After careful
48. to be our SHR cable with 3dB perfor mance at 200 MHz for 100 feet in an RG 6 size What does this have to do with SDI Back then this cable required fabrication technology that was very expensive It was about three to four years later before it became cost feasible Meanwhile in 93 Belden released their 1694A cable to the market to support SDI Up until that time everyone used Belden 8281 for long run low loss situations Now with growing popularity of SDI in video production systems a lower loss cable is necessary Amazingly the 1694A and the Extron SHR cable specs are nearly identical SHR cable can be used to connect equipment having the SDI feature Now here s where the concept of routing SDI and standard analog video signals depart Although the SHR cable spec highlights a 200 MHz attenuation point that does NOT mean a cable running longer than 100 feet BY 10 FIGURE 3 4 2 2 SERIAL DIGITAL INTERFACE will not be useful The 200 MHz marker is useful in spec ing cable Using SDI we are dealing with a digital square wave signal not an analog signal with amplitude sensitive issues As long as the bit transi tions can be detected reliably on a SDI transmission the signal may be run long distances hundreds of feet We talk about the 3dB point on analog signals because it relates directly to image quality For SDI all we need do is recover the digital numbers that represent the signal values For quality
49. x 600 832 x 624 848 x 480 852 x 480 720p 1024 x 768 1080p 1280 x 1024 1280 x 768 and 1360 x 765 Scaling N ew H eights Extron s DVS 100 DIEL Kater E SHE Eve T Owe igi MTA DEG aes Extron s DVS 100 provides the following advantages e Compatible with NTSC 3 58 NTSC 4 43 PAL and SECAM e Composite video S video and component video inputs Variable top and bottom vertical blanking Scaled output available simultaneously on 15 pin H D connector and six BNCs e Computer video output rates 640 x 480 800 x 600 832 x 624 1024 x 768 and 1280 x 1024 e HDTV output rates 480p 720p and 1080p Plasma output rates 848 x 480 852 x 480 1280 x 768 and 1360 x 765 RS 232 control via Extron s W indows based control program or Simple Instruction Set SIS Advanced decoder technology with a three line adaptive comb filter e Color tint contrast brightness horizontal shift and vertical shift controls e LCD pane displays settings and menu choices Internal power supply 100 240VAC 50 60 H z The DVS 100 lists for 2325 00 US Dollars For complete details visit Extron s website at http www extron com product product asp dvs100 Extron Electronics 800 633 9876 EXTRON ELECT RONICS RGB SYSTEMS INC a o 1230 South Lewis Street Anaheim CA 92805 ee 800 633 9876 714 491 1500 FAX 714 491 1517 U S A The Netherlands EXTRON ELECTRONICS EUROPE Beeldschermweg 6C 382

July/August 1999 - Extron Electronics

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