Epson 821 Problems Solving, sp.33, Only when projecting images from, with a built-inLCD screen

Models: 821

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sp.33

Problems Solving

77

Only when projecting images from The message "No Signal." is displayed

 

 

Check

Remedy

 

 

 

 

 

Are the cables connected correctly?

Check that all of the cables required for projection are securely connected. sp.18p.25

 

 

 

 

 

Has the correct video input port been

Press the [Computer1], [Computer2], [S-Video] or [Video] button on the remote control or the

selected?

[Source Search] button on the remote control or the projector's control panel to change the image.

 

 

 

 

sp.33

 

 

 

 

 

Is the power for the computer or video source

Turn the power on for the devices. sp.32

turned on?

 

 

 

 

 

 

Are the image signals being output to the

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

projector?

monitor, you need to change the output to an external destination as well as the computer's own

 

 

 

 

monitor. For some computer models, when the image signals are output externally, they no longer

 

 

Only when projecting images from

 

 

 

 

appear on the LCD monitor or accessory monitor.

 

 

a laptop computer or computer

 

sComputer documentation, under a title such as "External output" or "Connecting an external

 

 

with a built-in LCD screen

 

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. sp.32, p.34

 

 

 

 

 

 

Images are fuzzy or out of focus

 

 

 

 

 

 

 

 

 

 

 

 

Check

Remedy

 

 

 

 

 

Has the focus been adjusted correctly?

Turn the focus ring on the projector to adjust the focus. sp.36

 

 

 

 

 

Is the lens cover still attached?

Remove the lens cover. sp.31

 

 

 

 

 

Is the projector at the correct distance?

The recommended projection distance range of the EMP-821 is 86–1473 cm (2.8–48.3 ft.) and that

 

 

 

 

of the EMP-81/61 is 87–1094 cm (2.8–35.9 ft.). Set the projector up so that it is within this range.

 

 

 

 

sp.16

 

 

 

 

 

Is the keystone adjustment value too large?

Decrease the projection angle to reduce the amount of keystone correction. sp.39

 

 

 

 

 

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.

 

 

 

 

 

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Epson 821 manual Problems Solving, sp.33, Only when projecting images from, a laptop computer or computer, sp.16