Digital Projection Lightning 35hd-T, 40hd-t User Manual
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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 screen sizes ...................................................................................................................... 2.3 Fitting the image to the screen ........................................................................................................... 2.4 Positioning the screen and projector ................................................................................................... 2.5 Choosing a lens .................................................................................................................................. 2.6 Choosing a lens using the lens charts ................................................................................................. 2.7 Full width image, including native resolution 2048x1080, and 2.35:1 ........................................................... 2.7 16:9 full height image (TRF = 1.07) ..................................................................................................... 2.8 4:3 full height image (TRF = 1.42) ....................................................................................................... 2.9 5:4 full height image (TRF = 1.52) ..................................................................................................... 2.10 5:4 un-resized image (TRF = 1.6) ...................................................................................................... 2.11 4:3 un-resized image (TRF = 2.0) ..................................................................................................... 2.12 Choosing a lens by calculation ......................................................................................................... 2.13 example ..................................................................................................................................... 2.13 Useful lens calculations .................................................................................................................. 2.14 Fitting the lens ................................................................................................................................... 2.15 Shifting the image............................................................................................................................. 2.16 Mounting the projector .................................................................................................................... 2.17 Levelling ........................................................................................................................................ 2.17 Coarse frame adjustment ................................................................................................................ 2.17 Fine frame adjustment ................................................................................................................... 2.17 Chassis adjustment ....................................................................................................................... 2.17 Stacking projectors .......................................................................................................................... 2.18 Connecting the projector ................................................................................................................ 2.19 Digilink ...................................................................................................................................... 2.19 Input format, rear input .................................................................................................................... 2.20 Single DVI-D ................................................................................................................................ 2.20 Input formats, side input .................................................................................................................. 2.20 Single DVI-D ................................................................................................................................ 2.20 Dual DVI-D .................................................................................................................................. 2.20 Twin Link (Twin Single DVI-D) .......................................................................................................... 2.20 Dual Twin (Dual Twin DVI-D) ........................................................................................................... 2.20 3D (Dual or Dual Twin DVI-D) .......................................................................................................... 2.20 continued
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 .............................................................................................................. 2.22 Control connection examples ........................................................................................................... 2.23 LAN connection ............................................................................................................................ 2.23 RS232 connection ......................................................................................................................... 2.23 Power connection ........................................................................................................................... 2.24 USA power input ........................................................................................................................... 2.24 Rest of World power input ............................................................................................................... 2.24
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 a number of common formats may be displayed without the use of an external scaling processor. 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 aspect ratio W = D x 0.92in (D x .023m) H = D x 0.39in (D x .01m) 2048x1080, native resolution W = D x 0.88in (D x .022m) H = D x 0.47in (D x .012m) 16:9 aspect ratio W = D x 0.87in (D x .022m) H = D x 0.49in (D x .0125m) 4:3 aspect ratio W = D x 0.8in (D x .02m) H = D x 0.6in (D x .015m) 5:4 aspect ratio W = D x 0.78in (D x .02m) H = D x 0.625in (D x .016m) 1024 x 768 (4:3)1920 x 1080 (16:9) 1280 x 1024 (5:4) 2048 pixels 1080 pixels 2048 x 871 (2.35:1) D = diagonal (in) W = width H = height
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 display the full image on your screen. Notes 2.35:1 aspect ratio W = H x 2.35 H = W x 0.426 2048x1080, native resolution W = H x 1.896 H = W x 0.527 16:9 aspect ratio W = H x 1.777 H = W x 0.562 4:3 aspect ratio W = H x 1.333 H = W x 0.75 5:4 aspect ratio W = H x 1.25 H = W x 0.8 1 2 3 4 5 6 7 8 9 10 Screen width Screen height 4:3 5:4 16:9 2.35:1 Aspect ratio 10 9 8 7 6 5 4 3 2 1 2048x1080
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 and the distance between the back row and the screen should be a maximum of 8 times the screen height. The screen viewing area should be within a 60° range from the face of the screen. Notes The projector should be installed as close to the power outlet as possible. The power connection should be easily accessible, so that it can be disconnected in an emergency. Ensure that there is at least 30cm (12in) of space between the ventilation outlets and any wall, and 10cm (4in) on all other sides. Do not install the projector close to anything that might be affected by its operational heat, for instance, polystyrene ceiling tiles, curtains etc. The image can be fl ipped for rear projection (see section 4. Using the menus, Image menu) and displayed without the need for extra mirrors or equipment. However, you must ensure that there is suffi cient distance behind the screen for the projector to be correctly located. Rear installation is generally more complicated and advice should be sought from your local dealer before attempting it.
Page 2.6 105-453B January 2007 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 (in pixels) may well be fi xed. If, however, you are using commercially available image processing equipment, such as the Digital Projection MMS 1000, you may be able to resize the image to fi t the DMD. If the image does not fi ll the full width of the DMD, this effectively increases the throw ratio of the lens. This can be corrected for by applying a Throw ratio factor. Method one: using the lens charts For the screen sizes listed below, use one of the charts on the following pages, to choose a lens. any full width image, including: native resolution 2048 x 1080 pixels 2.35:1 full width 2048 x 871 pixels A Throw ratio factor (TRF) has been applied to the following charts: 16:9 full height 1920 x 1080 pixels 4:3 full height 1440 x 1080 pixels 5:4 full height 1350 x 1080 pixels 4:3 unresized 1024 x 768 pixels 5:4 unresized 1280 x 1024 pixels Method two: by calculation See the calculations, on the page immediately following the lens charts.
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 precise, then use the calculations on the page
immediately following the lens charts. •
•
10 20 30 40 metres
33 66 98 131 feet
Throw distance 131 40
98 30
66 20
33 10
Notes
This chart has a TRF of 1.0, for
use with the following images:
feet
metres Screen width
1.0: 1 fi xed
lens
103-3502048 x 1080 pixels,
2048 x 871 (2.35:1)
1.25 - 1.45: 1
zoom lens
103-351
1.45 - 1.8: 1
zoom lens
102-451
1.8 - 2.4: 1
zoom lens
102-6763.0 - 4.3: 1
zoom lens
102-6784.3 - 6.0: 1
zoom lens
104-189 2.2 - 3.0: 1
zoom lens
102-677
(note: these two lenses overlap)
Page 2.8 105-453B January 2007
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 30 40 metres
33 66 98 131 feet
Throw distance 131 40
98 30
66 20
33 10
feet
metres Screen width
1.0: 1 fi xed
lens
103-350
1.25 - 1.45: 1
zoom lens
103-351
1.45 - 1.8: 1
zoom lens
102-451
1.8 - 2.4: 1
zoom lens
102-6763.0 - 4.3: 1
zoom lens
102-6784.3 - 6.0: 1
zoom lens
104-189 2.2 - 3.0: 1
zoom lens
102-677
(note: these two lenses overlap)