Epson 830p - PowerLite XGA LCD Projector Посібник користувача - Сторінка 3

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Epson 830p - PowerLite XGA LCD Projector Посібник користувача

Positioning the Projector

Follow these guidelines:

Place the projector on a sturdy, level surface between

2.8 and 48.3 feet from the screen. Image size generally

increases with distance, but may vary depending on the

position of the zoom ring and other settings.

5.8 to 9.5 ft

29.8 to 48.3 ft

Place it within 10 feet of an electrical outlet or extension

cord and 5 feet of your computer or video source.

Allow space for ventilation around and under the projector.

To avoid a keystone shaped image (an image that is wider

on one side), place the projector directly in front of the

center of the screen, facing the screen squarely.

If possible, place the projector level with the bottom of the

screen.

If you place the projector too far below the screen, you may

have to tilt it up by extending the front adjustable foot (see

page 7). This causes the projected image to lose its shape, but

the projector automatically compensates. If the image is still

not square, adjust it manually by pressing the

buttons (see page 7) or using Quick Corner (see page 8).

If you place the projector higher than the bottom of the

screen, the image will be square, but it won't fill the screen.

Calculating Image Size and Projection

Distance

Use the formulas below to find out how large the image will

be when you know the distance from projector to screen, or to

find out how far from the screen to place the projector if you

want an image of a certain size. Since you can change the

image size by adjusting the zoom, formulas are given for

calculating both minimum and maximum sizes.

Note: Formulas given here apply only when the image is not

tilted. If you tilt the image up by extending the projector's foot or

using electronic keystone correction, your image size may vary.

To determine the diagonal size of an image (in inches) when

you know the projection distance:

2.8 to 4.7 ft

Distance

from screen

Keystone

Maximum diagonal size =

(projection distance[inches] x 2.54 x 0.32827 + 1.6767)

Minimum diagonal size =

(projection distance[inches] x 2.54 x 0.203 + 1.077)

To determine the projection distance (in inches) when you

know the diagonal size of the screen image:

Maximum projection distance =

((diagonal size[inches] x 4.92611) - 5.30542) / 2.54

Minimum projection distance =

((diagonal size[inches] x 3.04627) - 5.10769) / 2.54

Connecting the Projector

You can connect the projector to two computer sources or

four video sources—up to a total of four sources. You can

include an independent sound channel for each source. (See

the User's Guide for complete setup instructions.)

Note: The preview feature lets you see all the sources at a glance,

so you can easily switch to the one you want. See page 5.

Types of Connections

The following connections are possible, depending on the

signal your equipment generates and its available output ports.

Computer equipment

Output signal

Analog RGB video

DVI

Video equipment

Output signal

Composite video

S-video

Component video

RGB video

Note that the projector's

input signals. If you're connecting to one of these ports, you'll

need to make sure that the correct input signal setting is

selected or your image won't display properly.

Playing Sound Through the Projector

You can play sound through the projector's speaker system or

attach an external speaker system.

To play sound through the projector, use one of the following

cables that came with your projector:

10/04

Epson PowerLite 830p

Required cable

VGA cable

VGA-to-BNC cable

DVI to VGA cable

Required cable

RCA video cable

S-video cable

Component to VGA cable

VGA cable

ports accept a variety of

Computer

Epson PowerLite 830p