beautypg.com

Installation guidelines, How to install a projection lens, Where to install the projector – Barco R9001390 User Manual

Page 10

background image

2-2

Installation Guidelines

5975938 BARCOREALITY 9200TCR+ 020798

B = Distance between ceiling and top of the screen or

between floor and bottom of the screen.

A = Correction value, distance between bottom side of

projector (without feet) and middle of the lens. Value to be

subtracted from B to obtain the correct installation position. (A

value is a constant value for all screen widths and type of

lenses, A = 278.56 mm or 11 inch)

CD = Total distance between projector and ceiling or projector

and floor.

SW = Screen width.

SH = Screen height (image height).

PD = Projector Distance, distance between screen and

projector.

Lens type selection.

a) Determine the required screen width.

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) Use the lens formulas in appendix B to find the best corresponding

PD with regard to the measured projector-screen distance for the

required screen width.

The desired lens is determined (the order number is given in the tabel

in the same appendix B). Start the installation procedure for the

projector as described in the manual.

Inputs and computer video format input compatibility :

Some examples :

VIDEO and S-VIDEO

COMPONENT VIDEO

RGB ANALOG with STANDARD SYNC (SYNC ON GREEN or

SEPARATE SYNC)

RGB ANALOG with TRI-LEVEL SYNC (SYNC ON GREEN or

SEPARATE SYNC)

VGA : 640 x 480 pixels

MAC : 640 x 480 pixels

Super VGA : 800 x 600 pixels

XGA : 1024 x 768 pixels

SXGA : 1280 x 1024 pixels

Up to 1600 x 1280 pixels

Sources with pixel clock < 200 MHz

* How to install a projection lens?

The projector is supplied without any lens.

The following lenses are available as an option :

QHD(1.2:1)

QHD(2.2:1)

HD(3.3:1)

QHD(4.0:1)

HD(5:1)

HD(7:1)

QHD(1.5-3:1)

WHD(3.5:1)

How to install the lens?

Remove the foam rubber in the opening of the lens holder.

- Take the new lens out of its shipping carton and remove the lens

covers.

- Turn the lens into the lens holder by turning clockwise.

- Focus the lens (see appendix B) and secure the correct position

with the fastener ring by turning this ring clockwise.

Screen

PD

B

Ceiling

Projector

CD

A

CD = B - A

SH

Optical axis projection lens

SH

SW

SIDE VIEW

BACK VIEW

Screen

CEILING VIEW

SW

Ceiling

Screen

PD

B

Floor

Projector

CD

A

CD = B - A

SH

Optical axis projection lens

SH

SW

SIDE VIEW

BACK VIEW

Screen

TOP VIEW

SW

Floor

Definitions of the Abbreviation on drawings

* Where to install the projector?