Optoma Technology TX780 Problem Image is unstable or flickering, Problem Image is out of focus

Page 40

Appendices

5.Select the “Change” button under the “Monitor” tab.

6.Click on “Show all devices.” Next, select “Standard monitor types” under the SP box; choose the resolution mode you need under the “Models” box.

If you are using a Notebook:

1.First, follow the steps above to adjust resolution of the computer.

2.Press the toggle output settings. example: [Fn]+[F4]

Compaq

[Fn]+[F4]

Packard

[Fn]+[F4]

Dell

[Fn]+[F8]

Hewlett

 

 

Gateway

[Fn]+[F4]

NEC

 

[Fn]+[F3]

IBM

[Fn]+[F7]

Toshiba

[Fn]+[F5]

Mac Apple:

System Preference Display Arrangement Mirror display

If you experience difficulty changing resolutions or your monitor freezes, restart all equipment including the projector.

Problem: The screen of the Notebook or PowerBook computer is not displaying a presentation

If you are using a Notebook PC:

Some Notebook PCs may deactivate their own screens when a second display device is in use. Each has a different way to be reactivated. Refer to your computer’s documentation for detailed information.

Problem: Image is unstable or flickering

Use “Phase” to correct it. (See page 25)

Change the monitor colour setting on your computer.

Problem: Image has vertical flickering bar

Use “Frequency” to make an adjustment. (See page 25)

Check and reconfigure the display mode of your graphic card to make it compatible with the product.

Problem: Image is out of focus

Adjust the Focus Ring on the projector lens.

English 38

Image 40
Contents Regulation & safety notices Operation conditions Table of Contents Safety Information Important Safety InstructionUsage Notice Class B emissions limitsPrecautions Don’t Eye Safety Warnings Product Features IntroductionPackage Overview DocumentsProduct Overview Main UnitControl Panel Connection Ports Remote Control with Mouse Function and Laser Pointer Connecting the Projector InstallationConnect the Computer/Notebook Connect the Video Powering On the Projector Powering On/Off the ProjectorLens Cap Power/Standby Powering off the projector Adjusting the Projector Image Height Adjusting the Projected ImageTilt Adjusting Foot Elevator Feet Adjusting the Projector Zoom / Focus Adjusting Projection Image SizeControl Panel & Remote Control User ControlsVolume + Display ModeKeystone DisplaySource Lock ClearVideo How to Operate On Screen Display MenusMenu Tree Display Mode Image-IBrightness ContrastSaturation Colour TemperatureSharpness Image-II Input Signal Ver. ShiftColour ColourDVI/VGA Language LanguageManagement Volume ResetPIP Source Switch RS232 PortLogo Security SettingsLogo Capture LAN How to use web browser to control your projector Local Area Network LAN Lamp & Power Problem No image appears on screen TroubleshootingAppendices Problem Image has vertical flickering bar Problem Image is unstable or flickeringProblem Image is out of focus Problem The image is stretched when displaying 169 DVD Problem Image is reversedProblem Lamp burns out or makes a popping sound Problem LED lighting messageProblem Message Reminders Lamp Replacement Procedure Replacing the LampCompatibility Modes Analog DigitalRS232 Commands RS232 Connector VGA-In ConnectorCeiling Mount Installation Optoma Global Offices USA