Digital Projection Lightning 35hd-T, 40hd-t User Manual

105-453B January 2007  Page 1.7
Digital Projection LIGHTNING 35HD-T, 40HD-T User Manual  1. Introduction
Side panel – connection and controlNotes
  For information about how 
to connect the projector, see 
Connecting the projector 
in section 2. Installation, 
and Connections in section 
6. Appendix. Side inputs 
(DVI Single, 
Dual or Twin)
Centre of 
Gravity 
indicator Connector 
panel light 
switch 

Page 1.8  105-453B January 2007
1. Introduction  Digital Projection LIGHTNING 35HD-T, 40HD-T User Manual 

105-453B January 2007  Page 2.1
2. Installation
Contents
Screen requirements ......................................................................................................................... 2.3
Aspect ratio ...................................................................................................................................... 2.3
Fitting the image to the DMD ............................................................................................................. 2.3
Diagonal...

Page 2.2  105-453B January 2007
2. Installation  Digital Projection LIGHTNING 35HD-T, 40HD-T User Manual
EDID handshaking .......................................................................................................................... 2.21
Projector Output ............................................................................................................................. 2.21
Input connection examples...

105-453B January 2007  Page 2.3
Digital Projection LIGHTNING 35HD-T, 40HD-T User Manual  2. Installation
Notes
  The resolution of the DMD fi tted 
to the projector is 2048 x 1080 
pixels.
  This projector does not perform 
any image processing - the 
MMS 1000 is recommended for 
this purpose.
Screen requirements
Aspect ratio
Fitting the image to the DMD
If the source image supplied to the projector is smaller than 2048 x 1080 pixels, 
then the image will not fi ll the DMD. The following example shows how...

Page 2.4  105-453B January 2007
2. Installation  Digital Projection LIGHTNING 35HD-T, 40HD-T User Manual
Fitting the image to the screen
It is important that your screen is of suffi cient height and width to display images at 
all the aspect ratios you are planning to use.
Use the conversion chart, or the sample calculations below to check that you are 
able to display the full image on your screen. If you have insuffi cient height or width, 
you will have to reduce the overall image size in order to...

105-453B January 2007  Page 2.5
Digital Projection LIGHTNING 35HD-T, 40HD-T User Manual  2. Installation
Positioning the screen and projector
For optimum viewing, the screen should be a fl at surface perpendicular to the fl oor. 
The bottom of the screen should be 1.2m (4 feet) above the fl oor and the front row 
of the audience should not have to look up more than 30° to see the top of the 
screen.
The distance between the front row of the audience and the screen should be at 
least twice the screen height...

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2. Installation  Digital Projection LIGHTNING 35HD-T, 40HD-T User Manual
Notes
  For more information about 
Throw ratio factor (TRF), see 
Useful lens calculations, later in 
this section.
Choosing a lens
A number of lenses are available for use with the projector. Which lens you choose 
will depend on the screen size, image aspect ratio and projection distance.
If you are simply connecting the output of a camera or computer directly to the 
projector, then the image size...

105-453B January 2007  Page 2.7
Digital Projection LIGHTNING 35HD-T, 40HD-T User Manual  2. Installation
Choosing a lens using the lens charts
Full width image, including native resolution 2048x1080, and 2.35:1
Use the chart below to choose which lens best suits your application.
example
For a screen width of 25m at a distance of 33m, the 1.25 - 1.45: 1 zoom lens 
would be best suited.
For the same screen size at a distance of 40m, the 1.45 - 1.8: 1 lens would be 
best suited.
if you need to be more...

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2. Installation  Digital Projection LIGHTNING 35HD-T, 40HD-T User Manual
Notes
  This chart has a TRF of 1.07, 
for use with the following 
images:
Lens charts continued
16:9 full height image (TRF = 1.07)
Use the chart below to choose which lens best suits your application.
if you need to be more precise, then use the calculations on the page immediately 
following the lens charts.
1920 x 1080 pixels
                               10                           20...