Ask Proxima C175 manual

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If you are using a desktop computer and want to see the image on your computer screen as well as on the projection screen, plug the monitor cable to the Monitor Out connector on the projector.

If you prefer connecting your projector to your computer with an optional VESA cable, connect one end of the cable to the VESA port on your com- puter, and connect the other end of the cable to the blue Computer 2 con- nector on the projector.

You can control the projector from an LCD control panel or computer by connecting an RS-232 cable to the projector’s Serial Control connector. Spe- cific RS-232 commands can be found in the Service and Support section of our website.

connect monitor cable

connect VESA cable

connect RS-232 cable

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Contents User’s Guide EN 55022 Warning Declaration of ConformityTrademarks FCC WarningTable of Contents Introduction Connector panel Connector PanelRequired computer connections Connecting a computerOptional computer connections Page ? No startup screen? Get help on Displaying a computer imageAdjusting the image Connecting a video device Displaying a video image Page Status indicator light behavior and meaning Troubleshooting your setupShutting down the projector Page No computer image, just the words Signal out of range Image clear and not cropped Page Page Projected colors don’t match source Lamp won’t turn on, Temperature light is on Still having problems?Lamp must be replaced Lamp turns on Auto image-resets the projector to the source Using the keypad buttonsTroubleshooting the remote Using the remote controlTroubleshooting audio Using the audioConnecting external speakers Customizing the projector Presentation featuresOptimizing computer images Optimizing video imagesUsing the menus Picture menu Presets Advanced settings Settings menu Save is disabled when Power Save is enabled Custom Key Language Service menu To change the PIN PIN featureTo reset the PIN back to the default To enter the PIN at projector startupCleaning the lens MaintenanceUsing the security lock Replacing the projection lamp Resetting the lamp timer Cleaning the lamp filter screens Projected image size AppendixIndex