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Installation guidelines
Where to install the projector ?
To indicate a correct installation position it is necessary to know :
the distance from projector to ceiling in case of ceiling mounted; or
the distance from projector to floor in case of Table mounted;
H
the distance from projector to screen.
To find this correct position for the BARCOGRAPHICS 1208s,
equipped with HD8 lenses, use the following formulas:
In metric :
PD[m] = 1.269 x SW[m] + 0.3506
A[cm] = 12 x SW[m] - 28.75
In inch :
PD[inch] = 1.269 x SW[inch] + 13.78
A[cm] = 0.12 x SW[inch] - 11.32
Abbreviations used in the calculations and the drawings :
B
= Distance between ceiling and top of the screen (ceiling mounted)
Distance between floor and bottom of the screen (table mounted)
A
= Correction Value, extra value to be added to B to obtain the
correct installation position (In some cases the A value can be
negative)
CD = Total distance between projector and ceiling (ceiling mounted)
Total distance between projector and floor (table mounted)
CD = A + B
Ceiling Mounted : when the result is negative, enlarge the
distance between ceiling and top of the screen, mount screen
lower, until CD becomes zero or positive.
Table Mounted : when the result is negative, enlarge the
distance between floor and bottom of the screen, mount screen
higher, until CD becomes zero or positive.
SW = Screen width
PD = Perpendicular distance between screen and projector
To obtain the right values, you can make use of the new option
included in the Installation Adjustment Mode to let the projector
calculate the parameters automatically. Please refer to Chapter 8 for
details.
Mounting Configuration
Ceiling Mount
To install the BARCOGRAPHICS 1208s in the Ceiling configuration,
use BARCO'S Ceiling Mount Kit (CM100) - Order Number R9827341.
Installation instructions are included with this kit.
Table Mount
BARCO offers a heavy-duty projection table with adjustable height
which allows the projector to be correctly positioned perfectly to the
installation requirements. Order Number - R9827740.
3-2
PD
B
screen
screen width
SW
Install the projector water levelled in both directions
Install the projector perpendicular to the screen
Used phosphor width on the CRT faceplate (e.g. green CRT)
11.5 cm
5975857 BARCOGRAPHICS 1208s 220197
ceiling
A
projector
Front view
Top view
green phosphor
CD
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