Bedienungsanleitung Epson eh tw4500 (Seite 47 von 66) (Englisch)

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Problem Solving

Troubleshooting

■ The message "No Signal" is displayed

■ Images are fuzzy or out of focus

■ Interference or distortion appear in images

Are the cables connected

correctly?

Check that all of the cables required for projection are securely

connected. p.12

Has the correct video input port

been selected?

Press , , , , or

on the remote control or on the projector’s control

panel to change the image source. p.15

Is the power for the connected

equipment turned on?

Turn the power on for the devices.

Are the image signals being

output to the projector?

If the image signals are only being output to the computer's LCD

monitor, you need to change the output.

For some computer models, when the image signals are output

externally, they no longer appear on the LCD monitor.

Computer documentation, under a title such as "External

output" or "Connecting an external monitor"

If the connection is made while the power is already turned on, the

function [Fn] key that switches the computer's video signal to

external output may not work. Turn the power for the projector and

the computer off and then back on again. p.14

Has the focus been adjusted

correctly?

Adjust the focus. p.16

Is the lens cover still attached?

Remove the lens cover.

Is the projector at the correct

distance?

The recommended distance from the projector to the screen is

within 87 to 1276 cm for a screen size of 16:9, and 107 to 1562 cm

for a screen size of 4:3. Set up the projector so that the projection

distance is within this range. p.10

Has condensation formed on the

lens?

If the projector is suddenly taken from a cold environment to a

warm environment or if sudden ambient temperature changes

occur, condensation may form on the surface of the lens, and this

may cause the images to appear fuzzy. Set the projector up in the

room approximately one hour before it is to be used. If

condensation forms on the lens, turn the power off and wait for the

condensation to disappear.

Are the image signal format

settings correct?

If a composite video or S-Video is being input

If projection does not occur when the "Video Signal" menu

command is set to "Auto", select the signal format that matches the

signal source.

"Settings" - "Input Signal" - "Video Signal" p.38

If the signal source is connected to the [Component] input port

If projection does not occur when the "Component" in the "Input

Signal" menu command is set to "Auto", set the signal format that

matches the signal that is being projected from the connected

equipment. "Settings" - "Input Signal" - "Component" p.38

Are the cables connected

correctly?

Check that all of the cables required for projection are securely

connected. p.12

Only when projecting

images from a laptop

computer or computer

with a built-in LCD

screen

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