Epson 7800p - PowerLite XGA LCD Projector Guide de dépannage télécharger pdf (Page 10)

EPSON PowerLite 7800p Projector

5/03 EPSON PowerLite 7800p Projector - 9

Correcting Computer Images

If you’ve connected a

computer and the image

doesn’t look right or fit

properly on the screen, press

the

Auto button on the

remote control (or the

Auto/Enter button on the

projector’s control panel).

This automatically resets the projector’s tracking, sync,

resolution, and position settings.

Note: You must be projecting an image for this button to have

any effect. The

Auto button works only with computer images.

Also, make sure the correct

Computer or BNC Input option—

such as

Analog RGB—has been selected in the Setting menu.

Alternatively, you can cycle through the input settings using

the corresponding source button (

Comp, BNC) on the remote

control until you see your device.

If vertical stripes appear in the projected image and the

Auto

button doesn’t correct the problem, hold down the

Shift

button on the projector’s control panel while pressing either

the

Tracking + or the Tracking – button.

If the image appears fuzzy or flickers and the

Auto button

doesn’t correct the problem, hold down the

Shift button while

pressing either the

Sync + or Sync – button.

Note: Also make sure you have selected the correct Computer or

BNC Input option in the Setting menu for your computer. See the

User’s Guide for more information.

Projecting Images Without a Screen

Even if you don’t have a screen, you can project images onto

surfaces like blackboards and colored walls without loss of

image color. Your projector has a sensor that measures the

conditions of the projection surface and automatically adjusts

the colors and shading of your image. For example, if you’re

projecting onto a surface near a window, your image appears

clear and well-defined rather than faint.

Making Initial Color Corrections

Press the Wall Shot button on

either the remote control or the

projector’s control panel while

projecting an image.

Wall Shot’s status appears in

the upper right corner of your

screen. Then you see a sequence

of colors flash for approximately

five seconds while the sensor

measures the conditions of the

projection surface and adjusts

the image.

Note: If the status message indicates that Wall Shot is off, press the

Wall Shot button again to turn it on.

When you turn off the projector, it stores the correction values

obtained by the last Wall Shot measurements. This is useful if

you’re projecting against the same surface and under the same

conditions. To retrieve these corrections, just press the

Wall

Shot

button again while projecting an image.

Adjusting Color Corrections for a New

Surface

Follow these steps to adjust the correction values if you’re

projecting on a new surface or in a new location:

1. Press the

Wall Shot button on the remote control or

projector while you’re projecting an image. Wait for the

Wall Shot status screen.

2. Press the

Wall Shot button until you see Wall Shot

Readjustment

on the status screen.

You see a sequence of colors flash for about five seconds as

the projector adjusts the color correction values for the new

projection surface.

Auto

button

Wall Shot ON

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Epson 7800p - PowerLite XGA LCD Projector Guide de dépannage Page 10

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