Barco R9001330 Installation Guidelines Where to install the projector?, Lens type selection

Installation Guidelines

* Where to install the projector?	Inputs and computer video format input compatibility :
Definitions of the Abbreviation on drawings	Some examples :
	VIDEO and S-VIDEO
B = Distance between ceiling and top of the screen or between
floor and bottom of the screen.	COMPONENT VIDEO
	RGB ANALOG with STANDARD SYNC (SYNC ON GREEN or
A = Correction value, distance between bottom side of projec-	SEPARATE SYNC)
tor and middle of the lens. Value to be subtracted from B to	RGB ANALOG with TRI-LEVEL SYNC (SYNC ON GREEN or
obtain the correct installation position. (A value is a constant	SEPARATE SYNC)
value for all screen widths and type of lenses, A = 195 mm.)	VGA : 640 x 480 pixels
	MAC : 640 x 480 pixels
CD = Total distance between projector and ceiling or projector	Super VGA : 800 x 600 pixels
and floor.	XGA : 1024 x 768 pixels
	up to 1280 x 1024 pixels
SW = Screen width.	Sources with pixel clock < 135 MHz
SH = Screen height (image height).	Lens type selection.
PD = Projector Distance, distance between screen and projec-	a) determine the required screen width.
tor.
	b) determine the approximate position of the projector in the projection
	room with regard to the screen and measure the
	projector-screen distance (PD).
	c) refer to the lens diagrams to find the best corresponding PD
	with regard to the measured projector-screen distance for the
	required screen width.
	The lens type is determined (lens name is indicated on top of the
	page).
	Start the installation procedure for the projector as described in
	the manual.

3-4 5975288 BARCOGRAPHICS 8200 110497