Proxima ASA Multimedia LCD Projectors manual Contrast

Page 66

Chapter 5 • Troubleshooting

Problem

Likely Cause

Possible Solution(s)

No image on

Power switch off or

Projector must be on for

computer screen

projector not on

computer monitor to

 

 

display; turn on

 

 

projector.

 

Cable not connected

Connect cable

 

Monochrome on

Computer was turned

Turn projector on and

color monitor

on before projector

re-boot computer

 

Computer’s external

Set computer’s external

 

 

video port set

port to “color”

 

incorrectly

 

Streaks on monitor

Video cable plugged

Check and re-set cable

 

into computer is

connections

 

upside-down

 

Faint screen

Low intensity

Adjust BRIGHTNESS and

 

 

CONTRAST

Jittery, fuzzy letters

Out of sync

Adjust SYNC control

Image off-center

Position controls (arrow

Adjust position controls;

 

keys)

if image will not center,

 

 

check for compatibility

 

 

problems

 

Compatibility problems

Verify projector is image

 

 

 

compatible with one of

 

 

the standards listed in

 

 

Appendix A

 

Misalignment or damage

Projector requires

 

 

to optical elements

servicing

Cannot get entire

Compatibility problems

Verify that the projector

image on screen;

 

is image compatible with

scrambled image

 

one of the standards

 

 

listed in Appendix A

“Shimmering” colors

SYNC or BRIGHTNESS

Adjust SYNC or

 

out of adjustment

BRIGHTNESS

No video image

Video source(s)

Check video source(s)

projected

 

(composite or S-VHS)

 

 

for power ON and

 

 

proper operation

 

Loose/improper cabling

Check and secure cabling

 

 

 

between video source(s)

 

 

and projector

5–2 • User’s Guide

Image 66 Contents
Multimedia LCD Projectors Halogen Models Page Contents RGB Controls RED, Green & Blue Switching Lamps Chapter Introducing Proxima Desktop Projector JUN JULCyclops Interactive Pointer System What’s in the Box? Items included with the Desktop Projector Connect video and audio sources to the projector Computer Control Panel Levels Menu Press the MENU/ key a second time to display the Setup Menu Remote Control Getting Help Chapter Detailed Setup Getting Started Opening the Projector Opening the cover assembly Detailed Setup Using an AV Tripod Closing the Projector Transporting the Projector Connecting Computer Monitor Special Configurations Video VHS Computer Audio Connecting a Microphone Audio OUT External Stereo System Amplifier Receiver Stereo Detailed Setup Allow for proper air flow Turning On/Off the Lamp 128/325.1 cm Focusing Correcting Keystoning Projection Screen Chapter Using Desktop Projector PanelBrightness Keys Sync Keys Volume Keys Press the Menu key once to display the Levels Menu. From Volume Source Image Projection Language Overtemp Warning Light Replace Lamp Alert Light Mute Key Text Key Chapter Maintenance General Switching Lamps Maintenance Follow these steps to remove the lamp and install a new one Opening the lamp chamber Changing Air Filters Front Air Intake Filter Assemblies Remove the foam air filters Remove the foam air filter Replace the cover on the battery compartment Temperature Extremes Chapter Troubleshooting Replace LampContrast VHS A. and Canada Carroll Park Drive San Diego, CA Appendix a Specifications Proxima Desktop ProjectorAudio in may be used as Appendix B Accessories Replacement Parts Outside U.S.A. and Canada 619 Index Audio OUTFrequency VHS