Bedienungsanleitung BenQ w 5000 (Seite 12 von 53) (Englisch)

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Positioning your projector

English

Obtaining a preferred projected image size

The distance from the projector lens to the screen, the zoom setting, and the video format each factors in the

projected image size.

The projector should always be placed horizontally level (like flat on a table), and positioned directly

perpendicular (90° right-angle square) to the horizontal center of the screen. This prevents image distortion

caused by angled projections (or projecting onto angled surfaces). If the projector is mounted on a ceiling, it

must be mounted upside-down.

This projector is equipped with a movable lens. See "Shifting the projection lens vertically" below for details. You

can see the diagrams on pages 14 and 15 for the vertical offset values in the dimension tables that are measured

when the lens is shifted fully up or down.

If the projector is positioned further away from the screen, the projected image size increases, and the vertical

offset also increases proportionately.

When determining the position of the screen and projector, you will need to account for both the projected

image size and the vertical offset dimension, which are directly proportional to the projection distance.

BenQ has provided separate tables of dimensions for both 16:9 and 4:3 screen ratios to assist you in determining

the ideal location for your projector. There are two dimensions to consider, the perpendicular horizontal distance

from the center of the screen (projection distance), and the vertical offset height of the projector from the

horizontal edge of the screen (offset).

Shifting the projection lens vertically

The vertical lens shift control provides flexibility for installing your projector. It allows the projector to be

positioned slightly above or below the top level of the projected images.

The lens shift (offset) is expressed as a percentage of the projected image height. It is measured as an offset from

the projected image's vertical center. The projector is equipped with + 120% and - 80% vertical lens shift. You

can shift the projection lens upwards or downwards within the allowable range depending on your desired image

position.

To adjust the vertical position of the projection lens:

1. Press LENS or / (when the OSD menu is not activated) on the

remote control, or LENS SHIFT / on the projector to display the

adjustment page.

(Pressing ENTER in the Picture -- Advanced > Lens Shift menu

performs the same function.)

2. To raise the projected image, press on the remote control or Lens

Shift on the projector.

To lower the projected image, press on the remote control or Lens

Shift on the projector.

Black Level

Clarity Control

Color Temperature

Picture -- Advanced

S-Video

0 IRE

EXIT Back

Normal

Color Temperature User_ Fine

Gamma Selection

Color Management

Brilliant Color

IRIS

ENTER

2.4

Lens Shift

EXIT Back

Dynamic Black On

Center of the lens

Projector position:

Floor front or floor rear

Projector position:

Ceiling front or ceiling rear

(C)

(D)

(C)

(D)

See pages 14 and 15 for the corresponding values of (C) and (D).

W20000-en.book Page 12 Monday, October 22, 2007 3:35 PM

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