Installation

Projection schemes

Any of the following four projection schemes can be used depending on user’s needs or viewing conditions. Use “OPTION2” menu (chosen from the MAIN MENU) to choose the appropriate projection scheme. (page 33)

FLOOR

CEILING

FRONT

 

(Default position)

 

REAR

 

Installation geometry

When planning the projector and screen geometry, refer to the figure below and the information on the next page for reference. After the projector is roughly positioned, picture size and vertical picture positioning can be finely adjusted with the powered zoom lens and lens tilt mechanism.

Side view

 

 

With optional ceiling mount

 

497

bracket (ET-PKD56H)

 

H

 

417-

 

 

L

 

 

SH

185

256

 

 

H

 

 

Screen

 

 

Top view

unit : mm

SW

 

L

200

 

 

 

 

 

100

 

 

 

100

 

Screen

 

200

 

 

 

L: Projection distance SH : Image height

SW : Image width

H : Distance from centre of lens to bottom edge of projected image.

Attention • Do not place or use one projector on top of another projection unit.

Leave a clearance of at least 50 cm so that the ventilation opening on the rear panel will not be blocked. (page 59)

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Alcatel Carrier Internetworking Solutions TQBJ0223 manual Projection schemes, Installation geometry, Unit mm