OPPO Digital Model PRO900X User's Manual
Contents
1. F 50905 Key Board IR Assembly Setup Menus SETUP is used to adjust geometry and convergence settings Press RED to continue SETUP Press GREEN to force formats Press BLUE to set floor ceiling Press any other key to exit 8P7 CEILING FLOOR 7 SW7001 Top Edge Of The 9 1509 Module SETUP Position Floor Press lt gt To change selection PAGE 19 PHYSICAL SETUP EXAMPLES OF DISPLAY SETUP DISTANCES AND CENTER POINTS uA x SFA di ais i rad ea Note Distance A is measured from the cabinet panel 49 58 5 8 26 3 8 TEN front directly below the green CRT lens 60 72 7 8 30 3 4 11 2 Calculate the Display Center B from a reference line 80 96 3 8 38 11 projected from the bottom of the cabinet Display 96 115 1 4 43 5 8 1 Center B A X 0 3057 8 44 l 120 143 1 2 52 3 8 11 Set the projector s height using measurement B This 144 171 7 8 61 11 references the bottom of the cabinet to the display 160 190 5 8 66 3 4 11 center When doing a ceiling mount be sure to allow for 200 237 7 8 81 1 8 11 the dimensions of the mounting bracket hardware Ensure that the projector is mounted horizontally centered and perpendicular the screen FIULCAESSETUE IOLTHE SCRE2. 14A1 DX3403 9 1799 Pro880 9 1500 Pro900 120V 230V D3708 LED 7 5VDC 14K3 AC Power Jumper for DX3702 120 230VAC CX3707 TX3703 TX3701 P um a 10A 250V FX3701 AC Power Connector 9 1505 Module Horizontal Deflection Yoke Connectors Vertical Deflection anil 9 15 SETUP REFERENCES Yoke gt Connectors 10 Module 9 1509 Module Top Edge Top View 9 1510 A 18211 Vertical Deflection and Convergence Output This module swings up hinged at the front edge and is normally down covering the green and blue CRTs Aum Emm ea a3 RED 9 1512 GREEN 9 1512 BLUE 9 1512 9 1504 HV Power Supply 9 1505 Horizontal Deflection Top Bracket Top Bracket 9 1511 SECAM 9 1571 Digital Control Processor PC Board Retainer A PC Board Retainer 9 1506 Dig Image Processor 1 d 9 1509 Analog Convergence at 9 1507 Jack Pack 9 1515 Micro Scan RGB Processor SLE 1242123
3. Specifications Specifications Standard Connections Connecting Computer Video Sources Connecting Video and S Video Sources Connector Pin Wiring Reference Connection Control Panel Selecting Input Source Remote Control Battery Installation Choosing the Setup Function Product Overview Product Overview Monitor Cabinet Removal Monitor Rear View Monitor Top Inside View Setup Setup Remote Control Key Functions Setup Mode Notes and Cautions Specifications for RGB Sync Inputs Screen Size Selection Setup and Alignment Procedure Procedure Overview Installation Prerequisites System Check and Physical Setup Setup Reference Illustrations Physical Setup III Preliminary Alignment Setup Geometry Convergence Convergence Setup Controls Convergence of Red and Blue onto Green PLACEMENT CONSI DERATI ONS Room Light Ideally the PRO900X should be placed in a low light envi ronment Picture quality and the ability to see the project ed images are adversely affected by bright light conditions Placement Your PRO900X is shipped from the factory to provide an image with an 80 width as a ceiling mounted front projec tor To ensure proper placement of the unit or to change the size of the projection image refer to the Physical Setup section Note to Installer Viewing Surface We recommend a good quality screen having a matte white finish which measures 80 in width or more diagonally Contact yo
4. d Adjust the mechanical and electrical focus to get the best image possible in the center of the picture e Loosen the lens focus adjustment knob Fully extend the lens barrel Adjust mechanical focus while observing the center horizontal line Adjust until one side left or right comes sharpely into focus Adjust the two screws opposite the side that is in focus i e if the left side of the center horizontal line is in focus adjust the two screws on the right side of the lens Turn each screw 1 4 1 2 turn at a time in the same direction in or out while observing the focus of the center horizontal line If the sharp focus begins to move towards the center of the image you are going in the wrong dierction in or out Adjust in the correct direction until the entire line achieves a uniform soft focus from left to right You should then be able to adjust the barrel focus to get the center horizontal line sharp all the way across If not you can fine adjust with this same procedure Loosen the lens focus adjustment knob Fully extend the lens barrel Adjust mechanical focus while observing the center vertical line Adjust until one side top or bottom comes sharpely into focus Adjust the two screws opposite the side that is in focus i e if the bottom of the center vertical line is in focus adjust the two screws on the top of the lens Turn each screw 1 4 1 2 turn at a time in the same direction in or out while observing the
5. VIDEO RESOLUTION 800 TV Lines SIZE ADJUSTABLE 48 192 inches wide SCREEN CONFIGURATION Front or rear floor or ceiling mount with simple scan reversal COLOR BALANCE Four user selectable settings 3200 6500 9300 Custom HIGH VOLTAGE 32 kV POWER CONSUMPTION 600 Watts max AC POWER CORD 3 meters WEIGHT 43 13 kg 95 Ibs ENVIRONMENT Operating Temperature 0 to 402 C degrees Humidity 0 to 90 percent non condensing Storage 10 to 50 C degrees SAFETY AND REGULATI ON UL Complies with UL 1950 CSA Complies with CSA C22 2 No 950 FCC Complies with FCC Class B Regulations European CE Mark Complies with IEC 950 DHHS Complies with X Ray Emission Regulations NOM Complies with Mexico Standards MECHANICAL DIMENSIONS 12 90 inches H 25 75 inches W 33 28 inches D REMOTE CONTROL SYSTEM Two IR receivers for front and rear remote access Installer s remote provides full control of menus and convergence Operators remote is point and click trackball Formats Supported NTSC 3 58 NTSC 4 43 PAL M N B G VGA IBM Standard SVGA VESA Standard 1024 x 768 640 x 480 35kHz Grand HDTV Formats 1280 x 720 progressive Alliance 16 x 9 aspect ratio 1920 x 1080 interlaced 16 x 9 aspect ratio per SMPTE specification tri level sync STANDARD CONNECTI ONS CONNECTI NG COMPUTER VIDEO SOURCES Connect a v
6. The bright area should remain in the center of the haloed area Refer to the fig ure below Bad Centering and shape adjust 2 pole and 4 pole Good Shape and Centering PAGE 22 If this test shows a need for astimatator alignment perform steps below Astigmatator Alignment Procedure a Set the display sync mode to Forced Mode 6 HDTV33 and select a cross hatch or dot pattern b Cut off Red and Blue video or cover the CRT lens assemblies C Set Green electrical focus slightly CCW This is to make a near display center dot dimly haloed with a bright center The haloed effect will also be visible with the cross hatch lines d Use the astigmatator 4 pole magnet to shape the halo and bright spot as round as possible e Use the astigmatator 6 pole magnet if needed to help shape the halo and spot round f Use the astigmatator 2 pole magnet refer to the figure at bottom left of this page to center the bright spot within the halo You may also use an intersection of the cross hatch to center the bright area within the haloed area g Use the main yoke magnets to position the signal raster center to the CRT face center Refer to figure below 8mm IS 5 a4 o 8 a it iE E Horizontal Display Center Equal to Equal to right side left side space i space Raster Display Area CRT Phosphor Area The
7. Use the customer s signal for doing phase and size adjustments You can use the internal pat terns for shape and convergence if the customer signal sources do not have a cross hatch pattern If you are realigning a single CRT due to replacement or doing alignment touch up perform the following steps as needed 1 Yoke Tilt Alignment Use a cross hair or cross hatch pattern Monitor only the center most horizontal line of the pattern to check yoke tilt Do not use SW9501 on the 9 1510 module to disable conver gence The vertical circuit is not disabled only the horizontal is disabled a Set Horizontal DC centering to 0 red green blue b Set Vertical DC centering Floor Red 30 Green 20 Blue 30 Ceiling Red 30 Green 20 Blue 30 In geometry mode and convergence mode green red and blue set SKEW 0 and SKEW V 0 d Adjust the Red Green and Blue yokes for no horizontal tilt or twist 2 Yoke Ring Magnet and Astigmatator Alignment Verify Only This is not a normal field adjustment The astigmatator assembly should be mounted 62 5 mm from the video output module from the front edge of the video output module to the six pole rings Refer to the figure on page 24 Astigmatator Alignment Verification Test Adjust for the best electrical and mechanical focus Verify spot alignment by rotating Green electrical focus slightly CW to CCW The Dot shape should not tail or flair
8. VH composite video S Video Y C and an RS232 serial data port The IR control format is addressable 0 99 for use with multiple unit installations Each PRO900X comes with a Universal customer remote control and a service alignment 5 function MBR3470 remote control From the factory the PRO900X comes aligned for a 80 wide display The preset projection distance is 96 3 8 and configured for a ceiling mount You may customize the setup to be floor or ceiling mounted and rear or front pro jected Refer to the setup section before attempting an installation The convergence system is a digital controlled analog sys tem with 10 signal format preset and 5 customer option memory locations The preset format memory locations Standard Signal Format Modes Mode Name Freq Signal Type 1 Factory 1 15 7Khz Video NTSC 2 Factory 2 15 62khz Video PAL 3 VGA 400 31 46khz RGB 4 VGA480 31 46khz RGB 5 VGA350 31 46khz RGB 6 HDTV 33 31 75khz RGB 7 MACII 35 35 0khz RGB 8 HDTV 45 45 0khz RGB 9 SVGA48 48 36khz RGB 10 Factory 10 15 7Khz Video SVHS 11 Return To Normal Viewing 4 3 factory setup 4 3 16 9 factory setup 16 9 factory setup PAGE 10 cannot be altered in the field Each preset format has a custom memory location to store customized setup data Each customized setup has a separated memory location for each aspect ratio 4 X 3 letter box c
9. Size V Size H Lin L R V Lin Lin C and SIZE H LI LIN with Green this may have to be tweaked during this alignment procedure Set to match Green at C and D Set to match Green at A and B Match Green at C and D Iterate with H Size if necessary Match Green at A and B iterate with V Size if necessary T L KEY V Top Key T L KEY V Top Pin Match Green at 4 center line vertical axis midway between Z and D T L S ING Match Green at 3 center line vertical axis midway between C amp Z and LI LIN Press key twice to get the second function Caution H LIN C also affects this adjust in correct order above Match Green at 7 and 8 Match Green at C and D Match Green at C and D Match Green at A and B Match Green at A and B Balance error with Green at bottom edge G H left and right edges move in opposite directions center is stable Match Green at right edge corners G amp H corners G amp H move in same direction center B is stable T L KEY Left Key T L PIN Left Pin T L S ING Balance error at bottom edge in areas K amp M middle areas K amp M move in opposite directions center B and ends G amp H are stationary Balance error at bottom edge in areas K amp M middle areas K amp M move in same direction center B and ends G amp H are stationary Balance error with Green at right Touch up all controls edge corners F amp H
10. or frame the video Decease the number until the cropping just stops Now decease the number value two more Select the BOTTOM RIGHT BLANKING feature repeat step c Press ADJ TOGGLE and save the settings V Geometry Convergence of Other Aspect Ratios 1 Geometry Convergence setup must be accomplished for each required aspect ratio of each signal format used Video S Video RGB VGA400 VGA480 SVGA etc Each of the ten standard signal format memory custom loca tions also has a custom location for each of associated aspect ratios The five customer format memory locations also store the aspect ratio information separately RGB sources use the 4 x 3 letter box or 16 x 9 aspect ratios Video and S Video sources use the 4 x 3 letter box Compressed and 16 x 9 aspect ratios Installed CRT Assembly o Lens Coolant Assembly Assembly Replacement CRT Assembly Replacement CRT Part Numbers Convergence Yoke Assembly Astigmatator Assembly 9 1512 XX Assembly Transfered Assemblies Convergence Yoke Assembly 2 Pole X Lf ll Astigmatator Assembly Lens Spring Coolant Assembly Blue PAGE 24 Red A 1
11. the small arrows When you are adjusting an individual color conver gence mode the little arrow keys at the bottom are for DC Centering only When they are pressed the remote will switch the convergence control to DC Centering If the arrow keys have not been touched for a few seconds the remote will automatically switch back to the convergence control you were last using before using the small arrows The setup controls in the on screen display are usually labeled with Horz Vert T L top left or B R bottom right and a number value indicating the current setting If you want to see what effect the new setting compared to the stored setting has on the display press the ADJ TOGGLE key on the remote Adjust tog gle will allow you to switch between the two settings before committing to a change After making your changes and adjustments be sure you SAVE THE NEW SETTI NGS If a major change has been made new module new CRT or a change in the physical setup you must re adjust and store the geometry setup for each of the formats and aspect ratios being used To escape from the setup mode without saving any changes press the Quit key twice Caution shut all the PRO900X timers and signal source power conserve features off before starting convergence If the video signal is lost you will quit convergence mode with no chance to save your work To display the Forced Mode Menu press SET
12. 2 BLUE 9 1512 9 1504 HV Power Supply 9 1505 Horizontal Deflection Top Bracket Top Bracket A 9 1511 SECAM 9 1571 Digital Control Processor 9 1506 Dig Image Processor PC Board Retainer A PC Board Retainer B 9 1509 Analog Convergence 9 1507 Jack Pack 9 1515 Micro Scan RGB Processor EES v F 50905 Key Board IR Assembly 12 SETUP REMOTE CONTROL The PRO900X will be supplied with the MBR3470T and a Universal customer remote control For most servicing situ ations the MBR3470T is required The MBR3470T has the special functions needed for geometry convergence adjust ments and system setup functions which the Universal cus tomer remote cannot perform When using the MBR3470T keep in mind this is a five mode remote control The mode functions at the top CABLE VCR AUX and TV are standard MBR programmable Customer Menu Functions functions The SETUP mode is only for PRO900X setup convergence use To use the normal user menu Source Setup or Video the system must be out of the conver gence setup mode The user menus will indicate the current setting by highlighted text or a bar number indication in the dialog box at the bottom of the screen The exception is the Source menu which has the three choices with the current selected source being highlighte
13. 8554 01 was A 18105 02 Green 18552 01 was A 18105 A 18553 01 was A 18105 O1 g Assembly Assemblies 9 1512 XX Assembly SYSTEM ALIGNMENT DIGITAL DISPLAY SETUP PROCEDURE GEOMETRY CONVERGENCE Geometry controls all three colors at the same time January 1998 Adjustment Goal Remote Key SMALL ARROWS SKEW BOW 10 SKEW BOW KEY PIN H Lin L R V Lin T B H Lin C H amp V Video Phase V Skew Bow V H Skew Bow Key to fill screen at C and D Use ernal source not internal test tern 19 T L KEY V Top Key 20 T L PIN V Top Pin to fill Screen at A and B Use ernal source not internal test tern 21 1 1 5 V Left S equal widths CZ ZD 22 T L KEY Left Key equal height AZ ZB box width at center equal to average of left and right box widths and size 23 T L PIN Left Pin Set box heights at center equal to 24 T LS Left S average of top and bottom box widths and size Set the position of the external source to be centered on the screen Level line C D Straighten line C D note that some Screen frames are curved Line A B edges equal distance to screen edge Straighten Line A B Set bottom edge G H straight with respect to screen border Touch up all controls Set for straight bottom edge line G H corners G amp H move center B is stable Set for straight bottom edge line G H m
14. EN 5 The Peerless ceiling mount center is 11 from the A 1 Set distance A according to the selected display width distance reference point on the PRO900X front or calculate the distance in inches A 2 1 179 x width 42 063 CRT Front View RED and BLUE CRT Spring Point a Le Le BLUE RED Nylon Rod Nylon Rod Shipping Spacer Shipping Spec 9 1502 9 1503 9 1501 9 1500 Power Supply Power Supply Power Supply Power Supply This projection system comes set up for Ceiling Mount and a display width of 80 To change the display width two shipping spacer rods for the RED and BLUE CRTS must be removed This allows the RED and BLUE CRT point angles to be set for the new display width PAGE 20 SYSTEM ALIGNMENT Screen Center Mount Bracket Center 11 from Front Panel Under the Green CRT Center 7 Projection Distance Projection Distance Screen Center PAGE 21 SYSTEM ALIGNMENT PRELIMINARY ALIGNMENT SETUP The following procedures are intended for complete Geometry Convergence setup
15. Inputs RGB INPUTS 5 BNC analog RGB H V with full VGA and VESA Super VGA tracking compatibility COMPOSITE VIDEO INPUT 1 0 Vp p 75 ohm BNC jack loop through NTSC 3 58 NTSC 4 43 PAL M N PAL B G S VIDEO INPUT Y 1 0 Vp p 75 ohm C 0 28 Vp p color burst level via mini DIN connector DATA COMMUNICATIONS PORT RS232 serial port POWER INPUT Dual range power supply 90 137 Vac 180 264 Vac 47 63 Hz Video Features Three dimensional Digital Comb Filter Two dimensional Picture Sharpness Circuitry Digital Dynamic Video Noise Reduction Color Transient Improvement Black Level Expansion Auto Flesh Tone Correction Video Edge Enhancement Color Noise Reduction Advanced Video DSP with 5 megabit memory Extra Wide band Video Amplifiers High Resolution AKB with programmable white balance control Picture setup via source selection World Wide Multi standard Video System PAL M N PAL B G NTSC Aspect Ratio Correction Multi Frequency Multi Format High Definition System 15 to 50 kHz 75 MHz dot clock Addressability via IR for multiple projection unit applications On Screen Display capable of 13 x 32 character display resolution General HORI ZONTAL SCAN FREQUENCY 15 0 50 0 kHz VERTICAL SCAN FREQUENCY 40 0 100 Hz RETRACE TIME Horizontal lt 3 5 uS 15 0 50 0 kHz Vertical 450 uS 40 0 100 Hz BANDWIDTH 37 5 MHZ 3dB RGB RESOLUTION 1920 x 1080 interlace
16. OP switch to Out if using loop through Selecting the Input Source The type of input signal determines which source is being Source setup Video viewed Use the Source Menu to select the source you want to view The options in the menu correspond to the connec Video tors on the connection panel Current Source Video REMOTE CONTROL REMOTE CONTROL MBR3470T The MBR3470T remote control is used specifically for servicing and setup adjustment It provides the special functions needed for geometry convergence and system setup that other remotes cannot perform en Red Green Blue Selects formats sets Floor Ceiling or a specific color convergence Vertical and Horizontal Adjusts selected geometry convergence characteristics BATTERY INSTALLATI ON Batteries are provided but they must be installed before using the remote control When it no longer functions normally or when it loses memory replace the batteries with two high quality alkaline size AAA batteries To Install the Batteries Open the battery compartment by pressing in on the tab and lifting the cover off Place the batteries into the compartment according to the markings shown in the compartment Replace the battery compartment cover Push tab 27 Notes Do not place heavy objects on top of the remote control keys Prolonged unintentional operation of the remote shortens the usable
17. Presentation Series HD Projection Display Installation and Setup Guide for System Installer Model PRO900X zenin o Presentation is a registered trademark of Zenith Electronics Corporation SAFETY WARNINGS WARNING RISK OF ELECTRIC S DO NOT OPH WARNING TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE COVER OR BACK NO USER SERVI CEABLE PARTS INSI DE REFER SERVICING TO QUALIFIED SERVICE PERSONNEL the user to the presence of uninsulated dangerous voltage within the product s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert The exclamation point within an equilateral triangle is intended to alert the user to the pres ence of important operating and maintenance servicing instructions in the literature accom panying the appliance WARNING TO PREVENT FI RE OR SHOCK HAZARDS DO NOT EXPOSE THIS PRODUCT TO RAIN OR MOISTURE NOTE TO INSTALLER This reminder is provided to call the cable TV system installer s attention to Article 820 40 of the National Electric Code U S A The code provides guidelines for proper grounding and in particular specifies that the cable ground shall be connected to the grounding system of the building as close to the point of the cable entry as practical REGULATORY INFORMATION This equipment has been tested
18. UP and GREEN SELECT To display the current sync and video format being used press GREEN MUTE To see the elapsed time display press and hold LIN Q LI LIN until the regular menu disappears and then press the TI MER or H Pulse key set the unit IR Code for use when multiple units are in the area press and hold LIN C LI LIN until the regular menu disappears and then press T LS T LS T LS T LS and ADJ TOGGLE Copying Formats Procedure Copy the setup information Convergence blanking phase chromatics and aspect ratio from one defined format to another defined format Procedure quickly copies unrecognized new formats or existing formats to one of the five available Customer defined format spaces The ten factory format presets cannot be over written To display the Copy Format Menu press R MUTE Use the Left Right arrows to select the for mat you want to copy Use the Up Down arrows to change the menu option from Copy From to Copy Use ENTER to initate copying the format to the newly specified customer format Customer 1 Customer 2 etc If a format already exists in the selected Customer format space it will be overwritten by the new format when ENTER is pressed QUIT exits the menu without making any changes To aid with the alignment procedure it is recommended that you mark the center of the screen and the center of all four sides with mask
19. V H D x 49 W D x 87146 D H x 2 04 D Wx 1 1475 1 1 85 wide screen H D x 4762 W D x 881 D H x21 D Wx 1 135 PAGE 17 SETUP AND ALIGNMENT PROCEDURE PROCEDURE OVERVI EW There are several situations to consider when performing the setup procedure for the PRO900X System The setup procedure will vary depending on the required physical and signal configuration The simplest setup is that of a factory configured projector which will use the preset conditions Factory configured means it has been aligned for ceiling front projection and a 80 wide dis play at a projected distance of 96 3 8 In this case using the customer s signal source only minor blanking phase and conver gence touch up is required If the display size is changed to other than 80 width or the unit is to be floor mounted completion of the full setup procedure is required Setup after a hardware repair is the other condition Replacement of a CRT usually requires minor alignment steps yoke astigmatator focus and re convergence only for that color Replacement of modules in the vertical horizontal deflec tion or convergence systems usually requires that most all align ment steps are to be performed I INSTALLATION PREREQUISITES 1 Mounting Configuration Floor or Ceiling Projection Configuration Front or Rear Determine Display Size and Aspect Ratio Shape List All Signal Source s and Format s Check Projection Installatio
20. and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help CAUTION Do not attempt to modify this product in any way except as noted herein without written authorization from Zenith Electronics Corporation Unauthorized modification could void the user s authority to operate this product C9WARN B CONTENTS Safety Warnings Safety Warnings Installation Overview Installer s Experience Level Installation Considerations Power Cord Requirements
21. at of that projector Projection formats are expressed in terms of aspect ratio which is the relationship of the height of the projected image to its width Aspect ratios of common projection formats are listed below If it is necessary to modify the screen dimensions based upon the formats of projectors to be used it is preferable to hold the screen height constant and increase the screen width as neces sary rather than to hold the width constant and decrease the height ASPECT RATIOS OF COMMON PROJ ECTION FORMATS H W 1 00 1 00 1 00 1 78 or 9 16 Overhead and opaque projection High Definition Television HDTV Anamorphic Video LCD and CRT video and data graphics projection Wide Screen CinemaScope 2x2 standard slides 35mm DF 1 00 1 33 or 3 4 1 00 1 85 1 00 2 35 1 00 1 48 or 2 3 3276 A Note Vertical presentation of a slide reverses its aspect ratio To allow this use a 1 00 1 00 aspect ratio for any type slide Projection Formats Most models of DRAPER screens are offered in both audio visual and 3 4 video formats Certain models are also offered in HDTV and WideScreen formats The differences between these formats are stated below We are glad to provide any DRAPER screen in the size and projec tion format of your choice We can provide any size up to and including the largest published size If you do not find the size and format you need listed please call or fax your requirement to us and we will be
22. center of the video pattern display should be in the center of the CRT phosphor ares Video pattern display is vertically compressed below the horizontal center of the display h Verify spot alignment by rotating Green electrical focus slightly CW to CCW The Dot shape should not tail or flair The bright area should remain in the center of the haloed area i Repeat steps c thru h as needed to obtain the smallest and best round Green center dot with no shape flaring j Adjust for the best electrical and mechanical focus k Repeat steps c j for the Red and Blue displays Exit forced mode 6 and return to normal video Set Brightness and Contrast to 50 Note The yoke adjustments should not be touched during the remaining setup steps 3 Ceiling Front Projection Lens Angle Focus Alignment If this PRO900X system is equipped with the lens assembly focus spring the following procedure must be completed This procedure must be completed as part of the system mechanical 3276 A SYSTEM ALI GNMENT Lens Assembly Barrel Focus o e Red Green and Blue Lens Assemblies focus procedure See the figure above a Turn on the projector project a cross hatch pattern on the screen Cover up both the Blue and Red lenses Work only on the Green lens b Tighten all 4 lens mounting screws c Loosen all 4 lens mounting screws 3 full turns
23. customer s video signal Refer to pages 25 26 and 27 for the convergence remote control and procedure notes 5 Rough Geometry Convergence of Red and Blue a Using the remote control return to the SETUP Mode and select the internal cross hatch pattern b Press RED and mute the Blue video Using the Point Angle adjustment screws align the Red center point horizontally with the Green center point Using DC vertical center align the horizontal center line of the Red pattern to the horizontal center line of the Green pattern Adjust Red Size and Lin T B L R to roughly match the Green pattern size Refer to pages 25 26 and 27 Roughly set up the shape of the Red display using the appropriate Skew Bow Key etc controls Refer to pages 25 26 and 27 Press BLUE and mute the Red video Using the Point Angle adjustment screws align the Red center point horizontally with the Green center point i Using DC vertical center align the horizontal center line of the Blue pattern to the horizontal center line of the Green pattern Adjust Blue Size and Lin T B L R to roughly match the Green pattern size Refer to pages 25 26 and 27 Roughly set up the shape of the blue display using the appropriate Skew Bow Key etc controls Refer to pages 25 26 and 27 Press QUIT and ADJ TOGGLE to store the adjustments Continued on next page PAGE 23 SYSTEM ALIGNMENT IV Final Deta
24. d and control instructions in the dialog box Setup Mode Functions POWER ON OFF B POWER D Qe IN PIN C BOW NUMBER KEYS T L PIN m ENTER MENU SELECT amp ADJUST SOURCE SELECT Gen E MBR Mode Switches Convergence Color Select Switches Geometry and Convergence Control Setting Control Keys This is a Two Function Switch Press Once For Top Function Press Twice For Lower Function In setup mode this allows you to compare the control change with the stored setting Convergence Setup Mode Switch Video Drive Cutoff Switches 124 231 04 PAGE 13 SETUP MODE NOTES AND CAUTIONS When you enter the setup mode the system is in the Geometry Mode the shape controls adjust all three colors at the same time To adjust an individual color i e Red to adjust SKEW you must press the Red Select key This will put the system into the Convergence Mode the shape controls adjust one color at a time To return to the Geometry Mode you must press the Red Select key a second time When you are adjusting all colors geometry mode the little arrow keys at the bottom are for video phase adjust only When they are pressed the remote will switch the geometry control to phase If the arrow keys have not been touched for a few seconds the remote will automatically switch back to the geometry control you were last using before using
25. delighted to quote Audiovisual or AV format screens are intended for general use They accommodate a variety of projector types and range from square to wide horizontal in aspect ratio AV format screens are described in terms of height x width and are standardly furnished without black borders although borders are optionally available Video format screens on the other hand are specifically designed for use with video projectors Their format is strictly defined as a 3 4 rectangle and the size is usually described in terms of a nominal diagonal Conventional models of video format screens are standardly furnished with black borders to frame the image on all four sides allowing for video projector overscan Tab Tensioned electric screens are routinely furnished with black bor ders at the sides and bottom although black masking at the top is optionally available HDTV format 9 high by 16 wide is also available for high defi nition television projection Anamorphic Video and Wide sssScreen format 1 1 85 How to Calculate a Custom Size Draper also manufactures custom size screens to meet your speci fication Virtually any size within the maximum shown for a given model is available Please call for pricing on special sizes If you need to calculate a custom size these formulas may be useful D exact diagonal H viewing area height W viewing area width 3 4 Video HzDx6 W Dx 8 D H x 1 667 D Wx 1 25 9 16 HDT
26. er D is stable Set for straight right edge line F H corner F amp H move center D is stable Set for straight right edge line F H middle areas O amp Q move opposite and center D and ends F amp H are stable PAGE 25 NIT TYIO NIT NI T TT O NIT c 4 IAIA t STL NId T L LI TAOH 91 IATA ONIS Fauta juounsn pe jou pue soouoJojo1 o1 978 T4 MOa s 0 1jU0D dnjog 39UIIIAUO0 N MOMS uonuoge INOA 5 0 MIMS PAGE 26 SYSTEM ALIGNMENT DIGITAL DISPLAY SETUP PROCEDURE CONVERGENCE OF RED AND BLUE ONTO GREEN It is desirable to Mute color you are not adjusting Select the color you want to adjust by pressing the RED or BLUE key Remote Key SMALL ARROWS SIZE SIZE LIN T B L R LIN TB L R LIN C and H SIZE LI LIN Adjustment Goal Remote Key Adjustment Goal H amp V Statics Set center of video for best overlap H
27. f screen in rela tion to the audience area the goal is to make the size large enough so those in the rear of the audience area can see the sub ject matter easily but not so large that those in the front of the audience area have difficulty seeing the full width of the project ed image Width The generally accepted guideline in determining the screen width is the Two and Six Rule A Screen width should equal the distance from the screen to the first row of seats divided by two B Screen width should equal the distance from the screen to the last row of seats divided by six In case of a difference between these two guidelines the one yielding the larger size should prevail Height As a rule of thumb the screen height should equal or exceeding the distance from the screen to the last row of seats divided by eight Ceiling height and projection format considera tions may modify this standard Ceiling Height The bottom of the screen should be approximately 48 above the floor to allow all members of the audience to see the bottom of the projected image Projection Format Once you have determined the correct size of the screen based upon the audience area that size may be based upon the type or types of projection equipment to be used If the screen will only be used with one type of projector of over head projector CRT video projector etc it is easy to determine the exact screen dimensions based upon the projection form
28. focus of the center vertical line If the sharp focus begins to move towards the center of the image you are going in the wrong dierction in or out Adjust in the correct direction until the entire line achieves a uniform soft focus from top to bottom You should then be able to adjust the barrel focus to get the entire image sharp all the way across top to bottom and left to right If not you can fine adjust with this same procedure Note Throughout this procedure pay no attention to the corners of the image g Adjust the focus mechanically and electrically to get the best overall image Cover the Green lens and uncover the Red lens Repeat step b g for Red j Cover the Red lens uncover the Blue lens k Repeat steps b g for Blue Re install PRO900X cover m Turn off the sync forced mode 9 and return to normal video viewing or sync forced mode 11 4 Rough Geometry Convergence Setup of Green When aligning Green some controls are enabled in Geometry only This is why the alignment starts by using Green in the geometry mode of setup a Using the setup remote control press SETUP and RED This will put the system into the GEOMETRY MODE b Using the setup remote control press RED MUTE and BLUE MUTE You should see only the Green video c Roughly set up the shape of the Green display using the appropriate Skew Bow Key etc controls Adjust size or phase using the
29. ic country Acceptable agencies include the fol lowing BSI United Kingdom CEBEC Belgium DEMKO Denmark EANSW Australia SETI Finland IMQ Italy VDE Germany KEMA The Netherlands MITI J The flexible cord must be of a HAR harmonized type HO5VV F 3 conductor cord with a minimum conductor size of 03 square inches 1 0 square millimeter The cord set must have a current capacity of at least 10 amperes and a nominal voltage rating of 125 or 250 VAC as required by the specific country s power system Nemko Norway OVE Austria SEMKO Sweden SEV Switzerland UTE France Entertainment Machine is a registered trademark of Zenith Electronics Corporation SPECI FI CATIONS PRO900X Note Specifications are subject to change without prior notice Optical PROJ ECTION SYSTEM CRT 7 inch High Performance Liquid Cooled Tubes 5 inch active phosphor area 90 degree deflection angle Super Oxide Cathodes LENSES High resolution color corrected multi layered coating hybrid lens system fl 03 Aperature LIGHT OUTPUT 700 Lumens peak light output CONVERGENCE Digitally controlled analog with 10 factory pre Set options 5 customer memory locations plus a copy function feature CONVERGENCE LIMITS Less than 0 2 of vertical height SELF GENERATED SET UP PATTERNS Cross Hatch coarse and fine convergence color pattern static adjust SCHI EMPFLUG FOCUS For edge focusing
30. iddle areas K amp M move in opposite direction center B and ends G amp H are stable Adjust for straightest line G H middle Adjustment Goal Set top edge E F straight with respect to screen border Set for straight top edge line E F Set for straight edge line E F middle areas amp L move opposite center and ends E amp F are stable Set left edge E G straight with respect to Screen border top and bottom move in opposite directions center C is stable Set for straight left edge line E G corners E amp G move center C is stable Set for straight left edge line E G middle areas N amp P move opposite center C and ends E amp G are stable Set J K and L M straight with respect to line E G A B and F H adjust for minimal internal keystone top bottom move in opposite directions centers 3 and 4 are stable Set J K and L M straight adjust for minimal internal pincushion Average error for straightest lines G H and E F middle areas K amp M and J amp L move in same direction center B A and ends G amp H are stationary Due to the interaction of 1 N XXX con trols key controls and pin controls for best overall convergence it may be necessary to tweak the other controls areas K amp M move in same direction center B and ends G amp H are stationary Set right edge F H straight with respect 0 screen border top and bottom move in opposite directions cent
31. ideo source such as a computer PC Laptop or Notebook type 0 0 ENTER MENU POWER LOOP OUT Typical Laptop Computer Q u Q Q Q O O Q Q LOOP VIDEO R B ay COMM S VIDEO JN SOP VIDE SYNC SYNC Monitor Com Port HD Display 9 Pin Type Connector and is RJ11 Type Connector 15 Pin Type Connector gt and BNC Type Connectors 1 To hook up a laptop or computer use a cable with a Note Any special adapters cables or connectors shown 15 pin D type connector on one end and BNC connectors are not provided with the PRO900X See your computer on the other end dealer for your special requirements CONNECTING VI DEO AND S VI DEO SOURCES Connect video sources with a tuner VCR or other video sources such as a DVD player or satellite receiver To hook up a VCR DVD play M uy er or other video source use standard video connec Q i 099909 tors as needed Connect the video source to HbiBisplay the Video In jack on the PRO900X If the video source has an S Video connector then connect to the S Video jack on the PRO900X ese 0 0 0 c p LL S Video Laser Disc Player VCR or other Video Source Notes For audio capability or other S Video Source connect your Video sources Audio output to a separate audio amplifier like a stereo system no audio capability S is provided with the m ae PRO900X Use cables and ser oupp
32. iled Geometry Convergence Setup Use the video patterns generated by the customer s signal source for final alignment If this is not possible use the internal cross hatch pattern only to do the geometry and convergence The cus tomer s signal must be used for blanking size centering and phase 1 Green Geometry Setup a Return to the geometry and convergence modes and set up the Green display with precision Each step should be done by measuring the display and not guess work b Now store the Green setup 2 Red to Green Convergence Setup a Return to the convergence mode and set up the red display with precision Converge the Red display to the Green display using all necessary controls b Now store the Red setup 3 Blue to Green Convergence Setup a Return to the convergence mode and set up the Blue display with precision Converge the Red display to the Green display using all necessary controls b Now store the Blue setup 4 Red to Green to Blue Convergence Setup a Return to the convergence mode and set up the Red and Blue display with precision Converge the Red display to the Green display using all necessary controls b Now store the completed setup 5 Video Blanking Setup Using the Customer s Signal a Access the Blanking Phase feature of the setup menu b Select the TOP LEFT BLANKI NG feature C Using the small arrows adjust the top and left edges increasing the setting number until the edge begins to crop
33. ing tape Use drafting type tape that will not leave any marks This will give you calibration points for convergence and CRT alignments ETE ADJ TOGGLE N KEY PAGE 14 206 3634 l There are three Sync signal inputs for use with RGB sources 1 2 SPECI FI CATIONS FOR RGB SYNC INPUTS Version 2 1 December 21 1995 SYNC INPUTS SYNC ON GREEN SOG this is through the Green video input BNC jack terminated 75 ohms HORI ZONTAL COMPOSI TE H Comp through a BNC jack on the 9 1515 Combo module software switchable termination 2K 75 ohms VERTICAL V through a BNC jack on the 9 1515 Combo module software switchable termination 2K 75 ohms COMPATIBILITY SYNC ON GREEN negative going sync on Green video input either EIA or SMPTE HD spec compatible HORI ZONTAL COMPOSI TE a Analog TTL Mode TTL level computer syncs VGA SVGA Macintosh NTSC PAL SECAM studio commer cial horizontal composite analog sync b Special Composite Mode NTSC PAL SECAM or SMPTE HD studio commercial negative composite or tri level analog sync Black Video VERTICAL TTL level computer syncs VGA SVGA Macintosh NTSC PAL SECAM studio commercial nega tive vertical analog sync FREQUENCY RANGE SYNC ON GREEN Horizontal component 15kHz to 50kHz Vertical component 50 to 100 Hz HORI ZONTAL COMPOSITE Horizontal compone
34. lie other Audio Amplifier adapters with the connector types and jacks available on the video source 3991109 IY dnjos JSNU posn zod WOD 181295 ou c 4035 pue 51q 8 ou pneq 0021 sr 3eurroj IYL c 19jnduioo g 3104 181295 0 sr uonoouuoo Stu 394205 19208 n A 6 9 39 20 3104 WOOD m p TEMS OL yoedyour 9 Q 35134 ON 91946 4 J93depy II f 6d0 a 10d wwo JON x WX uy ejeq ISUIS Ul un z 2 o a a to 9pis nQ ou p WoA PISMO 991 WOA PIMIA 0 29UU0 PIMIA S10329uuo CONNECTI ONS CONTROL PANEL SELECTS MENU OPTIONS Shows Source Time Display REMOTE CONTROL WINDOW MENU Accesses on screen menus S VIDEO INPUT JACK POWER ON INDICATOR ENTER MENU POWER COMMUNICATIONS PORT OOO INTER CONNECT J ACK S 11 Red Green Blue RGB Loop Out Loop In Horizontal Vertical input jacks Setup Switch Set LOOP switch to Out if routing composite video to a second projector COMPOSITE VIDEO INPUT COMPOSITE VIDEO LOOP OUT JACK Set LO
35. life of the batteries Remove the batteries if the remote control will not be used for a month or more The remote manufacturer is not responsible for damage caused by battery leakage 3276 A Adjustment Select Keys Adjusts selected geometry convergence characteristics CHOOSING THE SETUP FUNCTION Press SETUP to set the remote control in setup mode In the setup mode you have the following choice of which setup functions to perform Geometry Convergence Press SETUP then RED Single Color Convergence Press SETUP then RED and a color key Red Green or Blue to select color to converge Forced Signal Formats Press SETUP then GREEN Ceiling Floor Select Press SETUP then BLUE PRODUCT OVERVI EW The PRO900X HD Projection Display system is a high reso lution multiple signal format display monitor It uses 7 high performance liquid cooled CRTs Each CRT has a 5 active phosphor area and a 90 degree deflection angle The CRTs use high resolution color corrected multi layered hybrid lens assemblies Horizontal scan frequency is from 15 to 50 KHz Vertical scan frequency is from 40 to 100 Hz Video system signal bandwidth is 35 MHz The projected display diagonal size 4 3 aspect ratio is adjustable from 60 to 240 Supported signal formats include NTSC 3 58 and 4 43 PAL M N B and G VGA SVGS Mac II and Grand Alliance HDTV Signal input options include 5 BNC connectors R G B
36. move in opposite direction centers 7 amp 8 are stable may require iteration with V Skew V Key Match Green in middle areas N O and P Q may require iteration with V Bow V Pin Due to the interaction of I N Controls Key Controls and Pin controls for best overall convergence it may be necessary to tweak the other controls This should only require minor adjustments of each control It may be necessary to perform this procedure twice to get optimal performance PAGE 27 206 3634 Copyright 2000 Zenith Electronics Corporation 1000 Milwaukee Avenue Glenview Illinois 60025 2495
37. n Area Before Installation Survey Installation Area For Power and Signal Source Requirements Test PRO900X system before modifying its configuration Modify Install and Set Up the PRO900X system SYSTEM CHECK AND PHYSICAL SETUP PRO900X Check Out Before Changes to Configuration IMPORTANT Do Not Connect Power until you verify cor A rect setup of the 120 230 VAC jumper on the 9 1500 power supply Refer to the illustration at the right Connect all the customer s RGB and Video Source s to the PRO900X jackpack Turn on the PRO900X and the Signal Source s Verify that the PRO900X recognizes all the source signals Verify that the PRO900X operates correctly Turn the PRO900X off and disconnect the AC power 2 Set Floor Ceiling and Front Rear Configuration Refer to the figures on page 19 Remove the PRO900X top cover 9 1510 Module set vertical deflection and horizontal vertical convergence connectors 9 1505 module set horizontal deflection connectors 9 1509 module set dynamic focus switch SW7001 3 Set Red and Blue CRT Point Angles Set angles only if the setup is a non factory configuration other than 80 wide image a Remove the nylon rod shipping spacers or shipping wedges b Set Red CRT point angle according to the display width PAGE 18 C Set Blue CRT point angle according to the display width Refer to the figures on page 20 Note The PRO900X unit is shipped wi
38. nd functions for tables and examples of the required installation data for a normal system operation There are field required successful installation Also the user Operating Guide and adjustments to the service menu a ENTER o 111 Eo MENU B NORMAL 20 Status LEDs Standby 5VDC is present in the 9 1515 module O Horizontal Active horizontal deflection yoke drive is present in the 9 1505 module Q vertical Active vertical deflection yoke drive is present in the 9 1510 module video Enable all conditions are ready for high voltage to turn on via the 9 1504 mc 9 1515 Video Output Cables R G ee System EPROM ON UN P tus LED 8 ENTER OFF v i atus LED o LOOP COMP e OUT VIDEO o INPUT G 11 TOP INSIDE VIEW 9 1510 A 18211 Vertical Deflection and Convergence Output This module swings up hinged at the front edge and is normally down covering the green and blue CRTs 1 Assembly Astigmatator 4 Pole Lo nl RED 9 1512 GREEN 9 151
39. nt 15kHz to 50kHz Vertical component 50 to 100 Hz VERTICAL 50 to 100 Hz IV AMPLITUDE l 2 3 SYNC ON GREEN Sync portion 300mV 150mV HORI ZONTAL COMPOSI TE a Analog TTL Mode 0 7Vp p to 5Vp p b Special Composite Mode 300mV 150mV VERTICAL 0 7Vp p to 5Vp p V POLARITY 1 2 SYNC ON GREEN negative HORI ZONTAL COMPOSI TE a Analog TTL Mode positive or negative b Special Composite Mode negative VERTICAL positive or negative PULSE WIDTH OR DUTY CYCLE SYNC ON GREEN HORI ZONTAL COMPOSI TE Minimum sync pulse width 40015 a Analog TTL Mode Max duty cycle of sync pulse Vsync in 0 7Vp p 15 Max duty cycle of sync pulse Vsync in 1 4Vp p 30 b Special Composite Mode Minimum sync pulse width 400nS VERTICAL Max duty cycle of sync pulse Vsync in 0 7Vp p 15 Max duty cycle of sync pulse Vsync in 1 4Vp p 30 PAGE 15 PAGE 16 SCREEN SIZE SELECTI ON Courtesy of Draper Shade amp Screen One of the most important decisions in screen selection is to determine the correct size of screen based upon 1 The dimensions of the audience area 2 The projection format or formats to be used In some situations these two questions yield the same answer in others they do not and compromises must be made Here are the key considerations Audience Area In determining the correct size o
40. of the cabinet Do not block these vents or you will shorten the life of the PRO900X Power Cord The PRO900X has a three wire A grounding type plug having a third grounding pin This plug will only fit into a grounding type power outlet This is a safety feature If you are unable to insert the plug into the outlet contact an electrician to replace the obsolete outlet Do not defeat the safety purpose of the grounding type plug Power Source The PRO900X is designed to operate on normal household current 120 volt 60 Hertz AC or 230 volt 50 60 Hertz AC Do not attempt to operate it on DC current The PRO900X is configured at the factory for 120 volt 60 Hz operation A service adjustment is necessary to permit the unit to operate on 230 volt 50 60 Hz See Changing From 120 VAC To 230 VAC in the Setup and Alignment sec tion for details National Power Cord Requirements U S Canada The power cord must be UL listed and CSA certified The minimum specifications for the power cord are as follows No 18 AWG Type SV or SJ 3 conductor The power cord must have a rated cur rent capacity of at least 10 amperes The attachment plug must be an earth grounding type with a NEMA 5 15P 15A 125V or NEMA 6 15P 15A 250V configuration Standard North America 120 VAC North America 240 VAC Other Countries The cord set fittings must bear the certification mark of the agency responsible for evaluation in a specif
41. ompressed and 16 X 9 You must set up and converge the system for each aspect ratio that will be used The five customer memory locations are for signal formats that do not match the ten factory preset signal formats There is also the option to copy the stored format data from one memory location to another This allows faster setup when several similar for mats are used Internally generated signal patterns also aid with setup of convergence The internal pattern gener ator may sync from the internally preset signal formats or it will sync from an external signal source This is helpful for on site full convergence or just a touch up You must use the customer s signal source to perform blanking and phase adjustments The PRO900X cabinet is comprised of three pieces Removal of the case allows full maintenance access to the systems electronic and mechanical assemblies Front and rear mounted IR detector assemblies allow almost no inter ference to IR control There are adjustable and removable feet on the bottom of the case CABINET REMOVAL Note the location of the screws which need to be removed to allow access to the components Caution Disconnect the PRO900X from power before attempting to remove the cabinet REAR VIEW Be sure to read and understand the setup section before Warranty is included with the PRO900X Read the user you attempt to install a PRO900X system you will find menu section to understand the features a
42. th spacer shims between the CRT and lens assemblies these must be removed to set up the Scheimpflug spring edge focus Refer to the figure on page 23 for the edge focus procedure 4 Mount the projector system Mount the PRO900X system according to the prearranged plans agreed upon between the installer and end user Verify the mount ing point hardware signal connections and power connections Note t is recommended that preliminary setup be done on the floor before hanging a ceiling configured system 5 Projector Display Surface Physical Setup a Set the projector to screen distance according to display width Refer the figures on pages 20 and 21 b Set projector height according to display size Refer to the figures on pages 20 and 21 c Adjust the projector s position for no horizontal skew to the display screen d Verify that the Green CRT center is centered to the screen horizontal center e Stabilize the projector and screen mounting hardware f Verify that the setup of steps a through d has not changed Set Up Signal Sources a Connect the RGB and or Video Source s to the PRO900X jackpack b Reconnect the AC power c Turn on the PRO900X and the Signal Source s d Verify that the PRO900X recognizes all the source signals e Set the Ceiling Floor setup menu option 9 1500 Stanby Switch Mode Power Supply DX3403 TX3401
43. top and bottom move in opposite directions center D is stable Match Green at F amp H corners F amp H move in same direction center D is stable Balance error at right edge in areas amp Q middle areas O amp Q move in opposite direction center D and ends F amp H are stationary Balance error with Green at top corners E amp F straight with respect to screen border left and right move in opposite directions center A is stable Match Green at top edge comers E amp F comers E amp F move in same direction center A is stable Balance error at bottom edge in areas J amp L middle areas J amp L move in oppo Site directions center A and ends E amp F are stationary Balance error with Green at left corners E amp top and bottom move in oppo site directions center C is stable Match Green at left edge corners E amp G corners E amp G move in same direction center C is stable Balance error at left edge in areas N amp P middle areas N amp P move in opposite directions center C and ends E amp G are stationary Average error with Green in middle areas J K and L M ends move in opposite direction centers 3 amp 4 are stable may require iteration with H Skew H Key Match Green in middle areas J K and L M ends move in same direction center is stable may require iteration with H Bow H Pin Average error with Green in middle areas N 0 and P Q ends
44. ur local dealer for assistance in purchasing an appropriate screen Note Use of a projection screen designed for a single light source projection system may result in significant side to side color distortion The purpose of this installation guide is to provide general guidelines for the proper installation and set up of the PRO900X Actual operation of the unit is described in the separately supplied Operating Guide and Warranty This guide has been prepared for properly trained installers 206 3634 Copyright 2000 Zenith Electronics Corporation INSTALLATI ON OVERVIEW Installer s Experience Level The PRO900X is a sophisticated Entertainment Machine n addition to making the necessary connections installation will most likely require a series of adjustments to ensure the projected image is not distorted If these adjustments are not accu rate the operation of the PRO900X could be adversely affected For this reason installation and setup should be performed by a qualified service person and should con form to all local codes The installer must also adhere to the pertinent Articles of the National Electrical Code NEC pertinent Regulations of the Federal Communications Commission FCC and all relevant codes of local regulat ing agencies Installation Considerations Before you install the PRO900X Ventilation Proper ventilation keeps the A PRO900X running cool Air circulates through perforations on the sides
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