Digital Projection Titan Hd-500, Hd-250 User Manual

Rev B  02/2007 Page 1.5
Digital Projection TITAN HD-500, HD-250 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 7. 
Appendix.
  For information about how 
to use the control panel, see 
section 4. Controlling the 
projector.
  For information about how to 
mount and stack projectors, see 
section 2. Installation.
Input 
connectionsControl...

Page 1.6 Rev B  02/2007
1. Introduction  Digital Projection TITAN HD-500, HD-250 User Manual 

Rev B  02/2007  Page 2.1
2. Installation
Contents
Screen requirements ......................................................................................................................... 2.2
Aspect ratio ...................................................................................................................................... 2.2
Fitting the image to the DMD ............................................................................................................. 2.2
Images displayed...

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2. Installation  Digital Projection TITAN HD-500, HD-250 User Manual
Screen requirements
Aspect ratio
Fitting the image to the DMD
If the source image supplied to the projector is smaller than 1280 x 720 pixels, 
then the image will not fi ll the DMD. The following example shows how a number 
of common formats may be displayed.
Images displayed full width
Images displayed full height
Notes
  The images are shown here 
scaled automatically by the 
projector.
  The image may be...

Rev B  02/2007 Page 2.3
Digital Projection TITAN HD-500, HD-250 User Manual  2. Installation
 Diagonal screen sizes
Screen sizes are sometimes specifi ed by their diagonal size (D) in inches. When 
dealing with large screens and projection distances at different aspect ratios, it is 
more convenient to measure screen width (W) and height (H).
The example calculations below show how to convert diagonal sizes in inches into 
width and height, at various aspect ratios.
2.35:1 (Scope)
W = D x 0.92in  (D x...

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2. Installation  Digital Projection TITAN HD-500, HD-250 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 display the full...

Rev B  02/2007 Page 2.5
Digital Projection TITAN HD-500, HD-250 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 and the...

Page 2.6 Rev B  02/2007
2. Installation  Digital Projection TITAN HD-500, HD-250 User Manual
Notes
  The High Brightness lenses are 
recommended for the HD-500, 
for maximum light output.
  The High Contrast lenses are 
recommended for the HD-250, 
for maximum contrast.
  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...

Rev B  02/2007 Page 2.7
Digital Projection TITAN HD-500, HD-250 User Manual  2. Installation
Notes
  This chart has a TRF of 1.0, for 
use with the following images:
Choosing a lens using the lens charts
Use the charts on this page and on the following pages to choose which lens best 
suits your application.
Full width images, including 2.35:1, 1.85:1 and 16:9 (native resolution)
example
For a screen width of 6m at a distance of 13m, the 1.8 - 2.4: 1 zoom lens would 
be best suited.
For the same screen...

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2. Installation  Digital Projection TITAN HD-500, HD-250 User Manual
Notes
  This chart has a TRF of 1.07, 
for use with the following 
images:
1.66:1 (Vista)
Lens charts continued
Full height image 1.66:1 (Vista)
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.
feet
metres Screen width
                      5                   10                   15...