Canon LV-7320U Benutzerhandbuch - Seite 35

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Before calling your dealer or service station for assistance, check the matters below once again.

1. Make sure you have connected the projector to your equipment as described in the section "CONNECTING

THE PROJECTOR" on pages 10 ~ 13.

2. Check cable connection. Verify that all computer, video and power cord are properly connected.

3. Verify that all power is switched on.

4. If the projector still does not produce the image, re-start the computer.

5. If the image sill does not appear, unplug the projector from the computer and check the computer monitor's

display. The problem may be with your graphics controller rather than with the projector. (When you

reconnect the projector, remember to turn the computer and monitor off before your power up the projector.

Power the equipment back in order of : Projector and computer.)

6. If the problem still exists, check the following chart.

Problem:

No power.

Image is out of

focus.

Picture is Left/Right

reversed.

Picture is

Top/Bottom

reversed.

Some displays are

not seen during the

Operation.

No image.

No sound.

TROUBLESHOOTING

Plug the projector into the AC outlet.

Be sure READY Indicator light is On.

Wait 90 seconds after the projector is turned OFF before turning the projector back on.

NOTE : After pressing the power ON-OFF switch to OFF, make sure the projector works

as follow.

1. The LAMP indicator will light and the READY indicator will turn off.

2. After 90 seconds, the READY indicator will light green again and the projector

may be turned on by pressing the power ON-OFF button.

Check the TEMPERATURE WARNING indicator. If the indicator flashes red, the

projector cannot be turned on.

(See "TURNING ON/OFF THE PROJECTOR" section on page 20.)

Check the Projection Lamp. (Refer to page 34.)

Adjust the focus

Make sure the projection screen is at least 4.6' (1.4m) from the projector.

Check the projection lens to see if it needs cleaning.

NOTE : Moving the projector from a cool temperature location to a warm temperature

location may result in moisture condensation on the lens. In such an event, leave

the projector OFF an d wait until condensation disappears.

Check Ceiling / Rear feature. (See "SETTING" section on page 31.)

Check Ceiling feature. (See "SETTING" section on page 31.)

Check Display feature.(See "SETTING" section on page 31..)

Check the connection between the computer or video equipment and the projector.

When turning the projector on, it takes about 30 seconds to display the image.

Check the system that you select corresponds with the computer or the video

equipment.

Make sure the temperature is not out of the Operating Temperature (5°C ~ 35°C).

Check audio cable connection from audio input source.

Adjust the audio source.

Press VOLUME (+) button.

Press MUTE button.

Try these Solution

APPENDIX