Tech Support Training Technology Overview

8/8/2019 Tech Support Training Technology Overview

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TechnoloTechnologygy OverviOverviewew

and Mand Moorre.e.....

TechnoloTechnologygy OverviOverviewew

and Mand Moorre.e.....


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Types of TechnologiesTypes of Technologies

LCD:LCD:AmorphousAmorphous PolysiliconPolysilicon

ReflectiveReflective

DLP:DLP:

Digital Light ProcessingDigital Light Processinghttp://www.dlp.comhttp://www.dlp.com


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LCD: Liquid Crystal DisplayLCD: Liquid Crystal Display

LCD is an acronym for Liquid CrystalLCD is an acronym for Liquid CrystalDisplay. An LCD panel is a translucentDisplay. An LCD panel is a translucentglass panel that displays image utilizingglass panel that displays image utilizing

a matrix of tiny transistors & liquida matrix of tiny transistors & liquidcrystal, each creating one pixel ("picturecrystal, each creating one pixel ("pictureelement," or dot) that makes up theelement," or dot) that makes up theimage.image.


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LCDsLCDsPassive vs. ActivePassive vs. Active

Cheaper to create &Cheaper to create &repairrepairElectronics forElectronics forcontrolling pixels separatecontrolling pixels separate

from LCDfrom LCDSubtractive methodSubtractive methodused to create colorsused to create colorsMultiple fresnels,Multiple fresnels,polarizers, LCDspolarizers, LCDs

Slower response timeSlower response timeOld TechnologyOld TechnologyOff is blackOff is black

Higher cost to produce &Higher cost to produce &repairrepairTransistors for controllingTransistors for controllingthe pixels on the LCDthe pixels on the LCDUses additive method toUses additive method tocreate primary colorscreate primary colorsSeparate transistor for eachSeparate transistor for eachprimary colorprimary color

Quicker response time thanQuicker response time thanpassive matrixpassive matrixOff is whiteOff is white


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An Array of individuallyaddressable pixels

800 x 600 means800 columns of

by 600 rows of pixels

(800)

600

What Does An LCD Look LikeWhat Does An LCD Look Like

(600)


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Active LCDsActive LCDsActive LCDsActive LCDsAmorphousAmorphous

Uses masking toUses masking toprevent colorprevent colorbleedingbleeding

Masking blocksMasking blockslight transmissionlight transmission

Single LCDSingle LCD

LCD larger in sizeLCD larger in size

PolysiliconPolysilicon

No masking used,No masking used,more lightmore lighttransmittedtransmitted

Brighter image withBrighter image withsame size bulbsame size bulb

Three LCDsThree LCDs

LCDs are smaller,LCDs are smaller,hence a projectorhence a projectorsmallersmaller

ReflectiveReflective

TransistorsTransistorsare separatedare separatedfrom the LCDfrom the LCD

Three LCDs,Three LCDs,made frommade fromclear materialclear materialwith awith areflectivereflective

backingbackingDesign allowsDesign allowsgreater lightgreater lighttransmissiontransmission


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Amorphous LCDAmorphous LCD

LCDLCD

1Pixel

1Pixel

(3 Sub(3 Sub--Pixels)Pixels)

TransistorsTransistors


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Amorphous LCDAmorphous LCD

Thin FilmTransistor (TFT)


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Light

Source

Lens

LCD

Amorphous LCD TechnologyAmorphous LCD Technology


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Polysilicon Engines:Polysilicon Engines:

All current InFocus manufactured &All current InFocus manufactured &distributed projectors utilize an ADACdistributed projectors utilize an ADAC(Analog to Digital Converter) to digitize the(Analog to Digital Converter) to digitize theincoming analog data or video signal. Thisincoming analog data or video signal. This

is required for the projector ASIC.is required for the projector ASIC.(Application Specific Integrated Circuit) to(Application Specific Integrated Circuit) toprocess the data. With LCD basedprocess the data. With LCD basedengines, the signal is converted back to anengines, the signal is converted back to ananalog format utilizing an 8 bit DACanalog format utilizing an 8 bit DAC(Digital to Analog Converter). The(Digital to Analog Converter). Theperceived color intensity is based upon theperceived color intensity is based upon theaddress voltage each LCD pixel receives.address voltage each LCD pixel receives.


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3 subpixels with3 subpixels withcolor filters limitcolor filters limithow much lighthow much lightgets throughgets through

No subpixels orNo subpixels orcolor filters allowcolor filters allowmore light throughmore light through

PolysiliconPolysilicon--More Efficient Pixel StructureMore Efficient Pixel Structure

PolysiliconPolysilicon--More Efficient Pixel StructureMore Efficient Pixel Structure

1 Polysilicon LCDPixel

1 Amorphous LCDPixel


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MLA (Micro Lens Array) LCDMLA (Micro Lens Array) LCD

Some projector manufacturers go one step further toSome projector manufacturers go one step further to

increase the brightness on polysilicon projectorincrease the brightness on polysilicon projector

panels. They attach a carefullypanels. They attach a carefully--aligned layer of tinyaligned layer of tiny

microlensesmicrolenses to the back of each panel. This places ato the back of each panel. This places a

single lens behind each pixel in the panelsingle lens behind each pixel in the panel, which, whichsteers the light at that point around the transistor andsteers the light at that point around the transistor and

through the transparent portion of the cell. The resultthrough the transparent portion of the cell. The result

is ais a significantly brighter imagesignificantly brighter image on the screen thanon the screen than

you would get from the same lamp and imagingyou would get from the same lamp and imaging

engine without the microlens addition.engine without the microlens addition.


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MLA LCDMLA LCDBlack Matrix Aluminum ScreenBlack Matrix Aluminum Screen

MicrolensesMicrolensesScreenScreen

PixelPixelelectrodeelectrode

Lamp LightLamp Light

TFT SubstrateTFT SubstrateOppositeOpposite

SubstrateSubstrate

LiquidLiquid CrystalCrystalOptical GlassOptical Glass

MLA (Micro Lens Array) LCDMLA (Micro Lens Array) LCD


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Polysilicon LCDPolysilicon LCD

DichroicMirror

WavelengthSelect

DichroicCombinerCube

Mirror

BlueDichroicM

irror

Lens

Mirror

Lamp

RedDichroicMirror

LCDs


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Reflective LCD TechnologyReflective LCD TechnologyDichroicDichroic

Combiner CubeCombiner Cube

Light ValveLight Valve(Blue)(Blue)

MirrorMirror

Light ValveLight Valve(Green)(Green)

Color SeparationMirrorsColor SeparationMirrors

MirrorMirror

ColorColor

SeparationSeparationMirrorMirror

Light ValveLight Valve(Red)(Red)


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Reflective LCD TechnologyReflective LCD Technology


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HardwareHardware

Components utilizedComponents utilizedwith the Technologywith the Technology


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Arc LampsArc Lamps

HalogenHalogen -- Large source size short lifeLarge source size short life Metal HalideMetal Halide -- Efficient, short arcEfficient, short arcAdequate lifetimeAdequate lifetime

High Pressure MercuryHigh Pressure Mercury -- Efficient, veryEfficient, veryshort arc (1.3 mm) Very stable long, lifeshort arc (1.3 mm) Very stable long, life XenonXenon -- Inefficient, short arc at highInefficient, short arc at high

power consumption, good colorpower consumption, good color


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IntegratorsIntegrators

An integrator produces a uniform lightAn integrator produces a uniform lightbody for the light valve.body for the light valve.

There are two main types ofThere are two main types ofintegrators:integrators:Lenslet array integratorLenslet array integrator

Rod integratorRod integrator


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An optical component that filters outAn optical component that filters outlight according to the direction of thelight according to the direction of thelight wave or color.light wave or color.Absorptive polarizers transmit 80Absorptive polarizers transmit 80--90% of one polarization (color), and90% of one polarization (color), andonly 5% of the other one. These areonly 5% of the other one. These arecommonly used on existing TNcommonly used on existing TN--LCDLCDlight valves. They have a potentiallylight valves. They have a potentiallylow life span on high lumen outputlow life span on high lumen output

projectors with small LCDs.projectors with small LCDs.Reflective polarizers transmit all ofReflective polarizers transmit all ofone polarization (color) and reflectone polarization (color) and reflectthe other. They are expensive, andthe other. They are expensive, andoften have low angular acceptance.often have low angular acceptance.

LCDs depend onpolarized light.

Polarizer(illustration courtesy of Mitsubishi Angleview)

Polarizer(illustration courtesy of Mitsubishi Angleview)


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ReflectorReflectorReflectorReflector

A reflector is a lightA reflector is a light

collection device thatcollection device thatreflects the lamps lightreflects the lamps lightinto the lens. Reflectorsinto the lens. Reflectorsare usually made of glassare usually made of glassor metal, and have both aor metal, and have both a

high collection efficiencyhigh collection efficiencyand high deviation.and high deviation.

There are imaging andThere are imaging andnonnon--imaging reflectors.imaging reflectors.High collection reflectorsHigh collection reflectors

add deviations to anadd deviations to anoptical beam and increaseoptical beam and increaseits physical size.its physical size.

ReflectiveMirrorsReflectiveMirrors


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T - Transmit R - Reflect r - red b - blue g - green

GREEN LCD

Tr Tg Tb

Dichroic CubeDichroic Cube


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Seeing Spots ?Seeing Spots ?Utilizing the LCD Technology, If spotsUtilizing the LCD Technology, If spots

are in focus when the image is outare in focus when the image is outof focusof focus -- this is dust on the LCDs.this is dust on the LCDs.


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All current InFocus projectors utilize anAll current InFocus projectors utilize anADAC (Analog to Digital Converter) toADAC (Analog to Digital Converter) todigitize the incoming Analog Data ordigitize the incoming Analog Data or

Video Signal. This is required for theVideo Signal. This is required for the

Projector ASIC. (Application SpecificProjector ASIC. (Application SpecificIntegrated Circuit) to process the data.Integrated Circuit) to process the data.The signal format remains digitalThe signal format remains digitalthroughout signal path. The amount ofthroughout signal path. The amount of

time a mirror is pivoted in the open ortime a mirror is pivoted in the open orclosed position, determines the perceivedclosed position, determines the perceivedcolor intensity for DLP.color intensity for DLP.

DLP Engines:DLP Engines:


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Digital Light Processing (DLP)Digital Light Processing (DLP)Digital Light Processing (DLP)Digital Light Processing (DLP)

Is a reflective TechnologyIs a reflective Technology Utilizing a digital microUtilizing a digital micro--mirror device (DMD)mirror device (DMD)

Some advantages to DLP technology are:Some advantages to DLP technology are:

greater claritygreater clarity Hermetically sealed, lessHermetically sealed, lessprone to contaminationprone to contamination

lifelike colorlifelike color improved brightnessimproved brightness

reliabilityreliability portabilityportability


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How does DLP work?How does DLP work?How does DLP work?How does DLP work?

DMD = Digital Micromirror DeviceDMD = Digital Micromirror Device DLP = Digital Light ProcessingDLP = Digital Light ProcessingTMTM

DLPDLP == DMDDMD ++ Digital control/processingDigital control/processing++ CCoolloorr WWhheeeell ++ OpticsOptics


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The central, reflective portion of the an 848 x 600Digital Micro-mirror Device. consists of 508,800

microscopic tiltable mirrors. A glass window

hermetically seals and protects the mirrors

DMD ChipDMD Chip


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What does the DMD do in Digital Light Processing?What does the DMD do in Digital Light Processing?

In a single-DMD projection system the DMD produces a

256 shade, of gray scale image. A segmented colorwheel is utilized to create a full-color projected image.The light source is projected through the color wheelwhich consists of red, green, and blue & sometimes whiteor clear segments A three segment color wheel rotatesat60 Hz to render 180 color fields per second.

Module I

DLP T echnologyDLP T echnology


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Rainbow EffectRainbow Effect

The soThe so--called rainbow effect is an artifact thatcalled rainbow effect is an artifact thatafflicts some oneafflicts some one--chip DLP projectors. It's achip DLP projectors. It's astrobing effect caused by an interaction of thestrobing effect caused by an interaction of thecolor wheel with eye movements. What doescolor wheel with eye movements. What does

it look like? If you move your eyes on certainit look like? If you move your eyes on certainscenes you'll see instantaneous flashes ofscenes you'll see instantaneous flashes ofrainbowrainbow--striped colors. Usually they're moststriped colors. Usually they're mostcommon in highcommon in high--contrast areas of thecontrast areas of the

picturepicturewhite titles on a black background,white titles on a black background,for examplefor exampleand least obvious in brightand least obvious in brightscenes. It can be noticed especially in DLPscenes. It can be noticed especially in DLPprojectors with a threeprojectors with a three--colors color wheel.colors color wheel.


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DDR (Double Data Rate) DLPDDR (Double Data Rate) DLP

This technology contains a newThis technology contains a new--generation DLP chip, sogeneration DLP chip, so--called DDRcalled DDRtechnology (Double Data Rate). Thetechnology (Double Data Rate). The

miniature mirrors on the chip turn at aminiature mirrors on the chip turn at ahigher speed than do conventional DLPhigher speed than do conventional DLPchips, creating a higher quality picture.chips, creating a higher quality picture.

Better Contrast and no Rainbow EffectBetter Contrast and no Rainbow Effect


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End UserEnd UserTroubleshootingTroubleshooting


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Common Specification QuestionsCommon Specification Questions

LumensLumens LuxLux Contrast RatioContrast Ratio

Native ResolutionNative ResolutionAspect RatioAspect Ratio Projection AngleProjection Angle

Keystone CorrectionKeystone Correction


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LumensLumens BrightnessBrightness -- LuxLux

Industry Standard, projector brightnessIndustry Standard, projector brightnessis specified in Lumensis specified in Lumens

The actual light output is measuredThe actual light output is measuredwith a Lux (light) meterwith a Lux (light) meter

InFocus utilizes the American NationalInFocus utilizes the American NationalStandards Institute, 13 pointStandards Institute, 13 pointSpecification for the projector lumenSpecification for the projector lumen

specification.specification.


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LuxLux -- The amount of light per square meter,The amount of light per square meter,incident on a surface. The metricincident on a surface. The metricmeasurement of light quantity. Themeasurement of light quantity. Themeasurement is taken from the reflection offmeasurement is taken from the reflection offthe object illuminated with a LUX meter.the object illuminated with a LUX meter.One footOne foot--candle equals 10.76 lux. A Luxcandle equals 10.76 lux. A Luxequals one lumen per square meter. 1 lux =equals one lumen per square meter. 1 lux =1 lumen/square meter = 0.093 foot1 lumen/square meter = 0.093 foot--candles.candles.

Lux vs. LumensLux vs. Lumens


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Lux MeasurementsLux Measurements

The measurement is made on a 60 diagonal screenThe measurement is made on a 60 diagonal screenwith the projector Zoom Lens wide open.with the projector Zoom Lens wide open.

There are 9 ANSI sensors (LUX meters) embeddedThere are 9 ANSI sensors (LUX meters) embeddedon the screen surface. Imagine that they are in theon the screen surface. Imagine that they are in thecenter of 9 identical rectangles. Also, there are 4center of 9 identical rectangles. Also, there are 4additional sensors in each corner. That location isadditional sensors in each corner. That location is90% of the distance from the center to the corner90% of the distance from the center to the corneredge. The LUX reading of all 13 sensors is averagededge. The LUX reading of all 13 sensors is averagedand divided by the dimmest and brightest sensors.and divided by the dimmest and brightest sensors.

The dimmest sensor is negative uniformity. TheThe dimmest sensor is negative uniformity. Thebrightest is positive uniformity. The actual value is abrightest is positive uniformity. The actual value is aratio.ratio.

B i


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Bri t ss s r t

***

***

***

* *

**


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What is contrast Ratio?What is contrast Ratio?What is contrast Ratio?What is contrast Ratio?

Contrast Ratio:Contrast Ratio: This is the ratio of lightThis is the ratio of lightintensity between the brightest white that can beintensity between the brightest white that can beproduced and the darkest black that can beproduced and the darkest black that can beproduced.produced. The ratio of the maximum white to theThe ratio of the maximum white to theminimum black level possible for a particular spot onminimum black level possible for a particular spot onthe image with the background light levels factoredthe image with the background light levels factoredout.out.

Contrast Ratio is a major determinant of perceivedContrast Ratio is a major determinant of perceivedpicture quality.picture quality. If a picture has a high contrast ratio,If a picture has a high contrast ratio,you will judge it to be sharper than a picture with ayou will judge it to be sharper than a picture with alower contrast ratio, even if the lower contrast ratiolower contrast ratio, even if the lower contrast ratiopicture has substantially more measurablepicture has substantially more measurableresolution.resolution.


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Contrast Ratio:Contrast Ratio:

ANSI standard: 8 white readings, eight black,ANSI standard: 8 white readings, eight black,average of white readings over average ofaverage of white readings over average ofblack readingsblack readings

OrOr

Some projector manufactures measure theSome projector manufactures measure thecontrast ratio by a method of:contrast ratio by a method of:

Full on full off which will product a high ratioFull on full off which will product a high ratioonlyonly

C


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Contr st s r nt*

* *

*

* *

**

*

*

*

**

*

*

*

*

*

*

*

ll


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Full n

*


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*

Full ff

*


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Basic Image Adjustment:Basic Image Adjustment:

Brightness/Contrast

Use Brightness control to adjust for best definition of darker shades

Use Contrast control to adjust for best definition of lighter shades

Proper contrast and brightness settings will help your projector deliver the

optimum tonal range for maximum visual impact


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Need to Know!Need to Know!

Signal Source:Signal Source: DVD, computer (MAC / PC), desktop, laptop.DVD, computer (MAC / PC), desktop, laptop. Signal Source Format:Signal Source Format:

Video:Video: NTSC, PAL, SECAM, composite,NTSC, PAL, SECAM, composite,

component, interlaced or progressivecomponent, interlaced or progressiveData:Data: Component 5, 4, 3, wire connectionComponent 5, 4, 3, wire connectionhorizontal and vertical refresh ratehorizontal and vertical refresh rate

Model of Projector & source input optionsModel of Projector & source input options

Peripherals: mouse, external speakers, etc.Peripherals: mouse, external speakers, etc. System Firmware versionSystem Firmware version


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Projector SetupProjector Setup

Projection Keystone affectProjection Keystone affectArc Lamp Anomalies:Arc Lamp Anomalies:

Flicker, Flutter, RupturesFlicker, Flutter, Ruptures Projection mode:Projection mode:

Ceiling mount or table topCeiling mount or table top Lensing & Screen sizesLensing & Screen sizes Light loss factors, ambient lightLight loss factors, ambient light Signal amplification in conjunction withSignal amplification in conjunction with

long cable runslong cable runs


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Source & Projector ResolutionSource & Projector Resolution

Number of PixelsNumber of PixelsVGA = 640x480VGA = 640x480 SVGA = 800x600SVGA = 800x600 XGA = 1024x768XGA = 1024x768 SXGA = 1280 x 1024SXGA = 1280 x 1024 UXGA = 1600 x 1200UXGA = 1600 x 1200


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UXGA 1600x1200

SXGA 1280x1024

XGA 1024x768

SVGA 800x600

VGA 640x480

Resolution GridResolution Grid


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Keystone correctionKeystone correction

Optical (lens shift)Optical (lens shift)DigitalDigital

A

B

C

DE


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Off Set RatioOff Set Ratio

Off Set Ratio is the ratio of the image projected above center ofLens axis to image projected below center of lens axis.

Example 1: An offset ratio of 10:0 indicates 100% of image projected

above the center of lens axis.

Example 2: An offset ratio of 8:1 indicates 87.5% of image projectedabove and 12.5% projected below the center of lens axis.

Above : BelowBelow/Above = X% below center of lens axis


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Throw RatioThrow Ratio

Throw Distance = 30ft

15ftLens Throw Ratio 2 - 2.6:1

2:1 Ratio

Max Width =2.6:1 Ratio

Min. Width =11.54ft

Min. Throw 2:1 = Max. Image Width 15ft

Max. Throw 2.6:1 = Min. Image Width 11.54ft

Zoom Ratio = Max. Throw/Min. Throw

2.6/2=1.3 Zoom Ratio = 1.3:1

Width = Throw Distance/Throw Ratio

Throw Distance = Width x Throw Ratio

Throw Ratio = Distance/W

idth


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Aspect RatioAspect Ratio

4

3

5

4

1.33:1 1.25:1

16

9

HD

1.78:116:9 vs. 4:3/5:4


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Aspect Ratio and Throw DistanceAspect Ratio and Throw DistanceCalculationsCalculations

4:3/1.33 NTSC Video4:3/1.33 NTSC VideoVGA, SVGA, XGA, UXGAVGA, SVGA, XGA, UXGA

Diag x .8 =WidthDiag x .8 =WidthWidth x .75 = HeightWidth x .75 = Height

16:9/1.78 HD16:9/1.78 HD

Diag x .87 =WidthDiag x .87 =WidthWidth x .56 = HeightWidth x .56 = Height

5:4/1.25 UXGA5:4/1.25 UXGA

Diag x .87 = WidthDiag x .87 = WidthWidth x .8 = HeightWidth x .8 = Height

Zoom Ratio = Max. Throw/Min. Throw

Width = Throw Distance/Throw Ratio

Throw Distance = Width x Throw Ratio

Above : BelowBelow/Above = X% below center of lens axis


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TroubleshootingTroubleshooting

LaptopsLaptops -- External vs. Internal ScreensExternal vs. Internal Screens Projector Compression vs. ExpansionProjector Compression vs. Expansion Florescent lighting and effects onFlorescent lighting and effects on

remote IR receptionremote IR reception Remote Mouse USB vs. PS/2Remote Mouse USB vs. PS/2 Plug n Play OSPlug n Play OSVideo FormatsVideo Formats Projector Air intake filtersProjector Air intake filters Status MenuStatus Menu Refresh Rates ShownRefresh Rates Shown

Projector DependantProjector Dependant


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To connect a product you need to know:To connect a product you need to know:

Model of Projector and supportedModel of Projector and supportedconnectionsconnections

What is being connected re: VCR,What is being connected re: VCR,

computer (MAC or PC), desktop, laptop.computer (MAC or PC), desktop, laptop. Native resolution of computer beingNative resolution of computer being

connected.connected.

Peripherals audio, mouse, speakers,Peripherals audio, mouse, speakers,etc.etc.


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To change Windows resolutionTo change Windows resolution

Right click onRight click ondesktop anddesktop andselect Propertiesselect Properties

Choose SettingsChoose Settingstabtab

Apply ChangesApply Changes


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Change Refresh RateChange Refresh Rate

In Settings, clickIn Settings, clickon Advancedon Advanced

Choose AdapterChoose Adaptertabtab


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Status MenuStatus Menu


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Data Mouse & Video ConnectorsData Mouse & Video ConnectorsData Mouse & Video ConnectorsData Mouse & Video Connectors

PROJECTOR MOUSE VIDEO

VGAXGA3 ROW 15 PIN

MAC2 ROW 15 PIN

13W3

BNC

CABLEWIZARD

M1

PS/2

ADB

USB

SERIAL2 ROW 9 PIN BNC

COMPOSITE

S-VIDEO

CVS

COMPONENT

BNCD5D5


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Source Data/Computer ConnectorSource Data/Computer ConnectorNomenclatureNomenclature

Source Data/Computer ConnectorSource Data/Computer ConnectorNomenclatureNomenclature

VGA/XGA

MAC

13W3

BNC


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Projector Data Connector NomenclatureProjector Data Connector NomenclatureProjector Data Connector NomenclatureProjector Data Connector Nomenclature

CABLEWIZARD

VGA/XGA

M1-DA Data Interface


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Analog Computer ConnectionsAnalog Computer Connections

HDHD--1515, Standard VGA cable for, Standard VGA cable fora wide range of compatibilitya wide range of compatibility

Mac adapterMac adapter : 3 Row to: 3 Row to

2 Row 15 Pin2 Row 15 Pin

5 wire5 wire; R,G,B,H,V; R,G,B,H,V


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Mouse Interface Connector NomenclatureMouse Interface Connector NomenclatureMouse Interface Connector NomenclatureMouse Interface Connector Nomenclature

PS/2

SERIAL

ADB

USB

bl i d bl ibl i d bl ibl i d bl ibl i d bl i


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CableWizard II & Cablets ConnectionCableWizard II & Cablets ConnectionCableWizard II & Cablets ConnectionCableWizard II & Cablets Connection

1)1)

2)2)

3)3)

4)4)

5) or5) or

PS/2 & ADB mouse support. No serial mouse compatibility.

Serial port provides RS232 projector control and means to flash theprojector.

Passive monitor loop-through projector does not need to be powered

C bl Wi d & C bl C iC bl Wi d & C bl C iC bl Wi d & C bl C iC bl Wi d & C bl C i


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CableWizard III & Cablets ConnectionCableWizard III & Cablets ConnectionCableWizard III & Cablets ConnectionCableWizard III & Cablets Connection

1)1)

2)2)

3)3)

4)4)

5) then or5) then or

PS/2 & USB mouse support. No serial mouse compatibility.

No Serial Mouse or RS232 connectivity

Active monitor loop-through projector needs to be powered.

id C lid C lid C lid C l


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Video Connector NomenclatureVideo Connector NomenclatureVideo Connector NomenclatureVideo Connector Nomenclature

RCA

BNC

S-VIDEO

VCRVCR


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Audio Out (Line Level and Powered)Audio Out (Line Level and Powered)

Line LevelLine Level Source Audio lineSource Audio line

level is 1 volt Peaklevel is 1 volt Peakto Peak, send toto Peak, send to

amplified speakersamplified speakers

PoweredPowered Projector internalProjector internal

speakers arespeakers areamplified usually 1amplified usually 1--5 watts5 watts


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Video Formats & ConnectionsVideo Formats & Connections

Composite VideoComposite Video Sources: VCR & DVD playerSources: VCR & DVD player

A single video signal that containsA single video signal that containsbrightness, color, and timing information.brightness, color, and timing information.NTSC PAL & SCAM are examples ofNTSC PAL & SCAM are examples ofworldwide composite video formats. Theyworldwide composite video formats. Theyare made up of active video, horizontalare made up of active video, horizontalsync, horizontal blanking, vertical sync,sync, horizontal blanking, vertical sync,vertical blanking, and color burst.vertical blanking, and color burst.

BNC


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SS--VideoVideo Sources: DVD, VCR, DocumentSources: DVD, VCR, Document

Camera & Video ConferenceCamera & Video ConferenceCamera VCR & DVD playerCamera VCR & DVD player

Separate video, also called Y/CSeparate video, also called Y/Cvideo. Separate luma (Y') andvideo. Separate luma (Y') andchroma (C) video signals are used,chroma (C) video signals are used,rather than a single compositerather than a single compositevideo signal. By simply addingvideo signal. By simply adding

together the Y' and C signals, youtogether the Y' and C signals, yougenerate a composite video signal.generate a composite video signal.


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Component Y,Cb, CrComponent Y,Cb, Cr Sources: DVD playerSources: DVD player Y' is the luma component and the CbY' is the luma component and the Cb

and Cr components are theand Cr components are the two colortwo colordifference signals (color minus red,difference signals (color minus red,color minus blue)color minus blue)

Component Y, Pb, PrComponent Y, Pb, Pr Sources: DVD playerSources: DVD player Progressive video signal is separatedProgressive video signal is separated

intointo luminanceluminance (brightness) and(brightness) and twotwo

colorcolor difference signals (color minusdifference signals (color minusred, color minus blue)red, color minus blue)

(480p)(480p)


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DCDi is a video mode algorithm that stands forDCDi is a video mode algorithm that stands forDirectionalDirectionalCorrelation DeinterlacingCorrelation Deinterlacing

Its purpose is to eliminate jagged edges (jaggies) along diagonalIts purpose is to eliminate jagged edges (jaggies) along diagonallines of a moving image.lines of a moving image.

For more informations :For more informations :http://www.dcdi-video.com/technology/articles/sage-dcdi-

overview.html

TV Broadcasting StandardsTV Broadcasting Standards


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TV Broadcasting StandardsTV Broadcasting StandardsN T S C

National Television System

CommitteeLines/Field 525/60

Horizontal Frequency 15.734 kHz

Vertical Frequency 60 Hz

Color Subcarrier Frequency 3.579545 MHz

Video Bandwidth 4.2 MHz

Sound Carrier 4.5 MHz

P A LPhaseAlternating Line

SYSTEM PAL PAL N

S.America(Argentina)

PAL M

S.America(Brazil)

Line/Field 625/50 625/50 525/60

HorizontalFreq.

15.625 kHz 15.625 kHz 15.750 kHz

Vertical Freq. 50 Hz 50 Hz 60 Hz

Color SubCarrier

4.433618MHz

3.582056MHz

3.575611MHz

VideoBandwidth

5.0 MHz 4.2 MHz 4.2 MHz

Sound Carrier 5.5 MHz 4.5 MHz 4.5 MHz

SECAMSequential CouleurAvec Memoire or

Sequential Color with MemoryOr.. System Essentially Contrary to American Method ;-)SYSTEM SECAM B,G,H

Zaire, Iran,Greece, and Libya

SECAM D,K,K1

(Russia and Poland),L(France)

Line/Field 625/50 625/50

HorizontalFrequency

15.625 kHz 15.625 kHz

Vertical Frequency 50 Hz 50 Hz

Video Bandwidth 5.0 MHz 6.0 MHz

Sound Carrier 5.5 MHz 6.5 MHz

DVI (Di i l Vi l I f )DVI (Di i l Vi l I f )


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DVI (Digital Visual Interface)DVI (Digital Visual Interface)

Established byEstablished by DFP (Digital FlatDFP (Digital Flat--Panel Group)Panel Group) Silicon Image, Inc.Silicon Image, Inc. DDWG (Digital Display Working Group)DDWG (Digital Display Working Group)

Digital Connection between computerDigital Connection between computerand displayand display Objectives are noiseObjectives are noise--free, simple connectionfree, simple connection Standard is continuing to evolveStandard is continuing to evolve Connection requires specialized computerConnection requires specialized computer

output and display inputoutput and display input

( i i l i l f )( i i l i l f )


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DVI (Digital Visual Interface)DVI (Digital Visual Interface)

Multiple connector types:Multiple connector types:

DFPDFP

DVIDVI--DD

DVIDVI--II

EVCEVC

D5D5


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Advantages of DVIAdvantages of DVI

Simplified ConnectionSimplified Connection High Bandwidth ConnectionsHigh Bandwidth Connections Perfect ContactPerfect Contact Video, RGB, Audio and DataVideo, RGB, Audio and Data

Digital Data TransferDigital Data Transfer IEEE 1394 (Firewire)IEEE 1394 (Firewire) PanelLink Digital ConnectionPanelLink Digital Connection


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DVI: Digital Visual InterfaceDVI: Digital Visual Interface

Pure digital to digital connectionPure digital to digital connection Standard created by DDWGStandard created by DDWG Other standards include M1, DFPOther standards include M1, DFP Typical Digital Run: 12Typical Digital Run: 12--14 feet14 feet Typical Analog Run: up to 25 feetTypical Analog Run: up to 25 feet


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M1M1--DA ConnectorDA Connector

Using the M1 we get:Using the M1 we get:

AnalogAnalog

DigitalDigital

USBUSB

All in one connectorAll in one connector(Projector Dependent)(Projector Dependent)

M1M1--DA ConnectorDA ConnectorAllows for both digitalAllows for both digital

and analog connectivityand analog connectivity


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M1M1--A ConnectorA Connector

M1 CableAnalog version

M1-A Connector

VGAConnector

USB

**M1-DA will handle both Digital & Analog


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Projectors with on board M1Projectors with on board M1--DA:DA:

InFocusInFocusLp 130Lp 130Lp 335Lp 335Lp 340/340b/350Lp 340/340b/350

Lp 500/530Lp 500/530Lp 630Lp 630Lp 9xxLp 9xxLs 110/Sp 110Ls 110/Sp 110

Lp 70Lp 70Lp 650Lp 650Sp 7200Sp 7200

ASKASKM2M2C200C200


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Digital/Analog data,mouse & flash

Audio in

CompositeVideo

S-Video

Base unit connectivity:Base unit connectivity:


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LP500/LP530/LS110LP500/LP530/LS110


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LP500/LP530/LS110LP500/LP530/LS110

ESD KillsESD Kills


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ESD KillsESD Kills

ESDESD Electrostatic DischargeElectrostatic DischargeThe human body can generate 3,500The human body can generate 3,500

volts or morevolts or more so remember to:so remember to:

Use a grounding mat which isUse a grounding mat which isgrounded.grounded.

Use a a wrist strap/foot strap to groundUse a a wrist strap/foot strap to ground

yourself.yourself.Dont handle opened units or ECAsDont handle opened units or ECAswithout being grounded.without being grounded.


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News on the InFocus Service & SupportNews on the InFocus Service & Supportwebsite:website:

NewNew FAQsFAQs available for the productsavailable for the productsAt the moment only LP650 andAt the moment only LP650 and

LP350/340 FAQs availableLP350/340 FAQs available

Soon more modelsSoon more models Check this link:Check this link:http://www.infocus.com/service/lp650/indhttp://www.infocus.com/service/lp650/ind

ex.asp?site_lang=1&site_region=1&ex.asp?site_lang=1&site_region=1&


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Thank you!!Thank you!!

Documents

Tech Support Training Technology Overview