BOXLIGHT CP718e Manuale Utente Scaricare il pdf (Pagina 54)

Multimedia LCD Projector

-54-

Symptom Possible cause Remedy

The power is

not turned on

*The main power switch is not

turned on.

*The power cord is disconnected.

*Turn on the main power

switch.

*Plug the power cord into an

AC power outlet

No video *The input is not correctly

connected.

*No signal input

*No open lens cover

*Select the appropriate input

source

*Connect correctly

*Remove the lens cover

No audio *The projector is not correctly

connected.

*The volume is set to minimum.

*Mute is turned on

*Check audio cable connect

correctly.

*Adjust the volume.

*Press the MUTE button

No remote

function

*No battery

*Remote signal be obstructed

*Check battery of remote

controller

*Remove obstacle between

projector and remote controller

Colors are

pale

*Color density and color matching

are not correctly adjusted.

*Color lose

*Adjust the RGB setting.

*Check VGA cable.

Abnormal

brightness &

contrast

*Brightness and contrast are not

correctly adjusted.

*The lamp is nearing the end of

its service life

*Adjust the brightness and

contrast setting.

*Replace with a new lamp

Video is

blurred

*Focus or RGB phase is out of

adjustment.

*Adjust the focus and phase.

Note：Although bright spots or dark spot may appear on the screen ,this

is a unique characteristic of liquid crystal displays,and it does not

constitute or imply a machine defect.

2/4/08 RevA

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BOXLIGHT CP718e Manuale Utente Pagina 54

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