Optoma Technology TX780 appendix Problem The image is stretched when displaying 169 DVD

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Appendices

Make sure the projection screen is between distance 3.3 to 40.0 feet (1.0 to 12.2 meters) from the projector. (See page 17)

Problem: The image is stretched when displaying 16:9 DVD

The projector automatically detects 16:9 DVD and adjusts the aspect ratio by digitizing to full screen with 4:3 default setting.

If the image is still stretched, you will also need to adjust the aspect ratio by referring to the following:

Please select 4:3 aspect ratio type on your DVD player if you are playing a 16:9 DVD.

If you can’t select 4:3 aspect ratio type on your DVD player, please select 4:3 aspect ratio in the on screen menu.

Problem: Image is reversed

Select “ManagementProjection” from the OSD and adjust the projection direction. (See page 30)

Problem: Lamp burns out or makes a popping sound

When the lamp reaches its end of life, it will burn out and may make a loud popping sound. If this happens, the projector will not turn on until the lamp module has been replaced. To replace the lamp, follow the procedures in the “Replacing the Lamp”. (See page 41)

Problem: LED lighting message

Message

Power-LED

Temp-LED Lamp-LED

(Green)

(Red)

 

 

Standby State

 

 

 

(Input power cord)

 

 

 

Warming

Flashing

 

 

Normal Mode

 

 

 

Cooling

 

Flashing

Error (Lamp failed)

 

 

 

Error (Fan failed)

 

 

Flashing

Error (Over Temp.)

 

 

 

Steady light

 

No light

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Contents Regulation & safety notices Operation conditions Table of Contents Important Safety Instruction Safety InformationUsage Notice Class B emissions limitsPrecautions Don’t Eye Safety Warnings Introduction Product FeaturesDocuments Package OverviewMain Unit Product OverviewControl Panel Connection Ports Remote Control with Mouse Function and Laser Pointer Connect the Computer/Notebook InstallationConnecting the Projector Connect the Video Lens Cap Power/Standby Powering On/Off the ProjectorPowering On the Projector Powering off the projector Tilt Adjusting Foot Elevator Feet Adjusting the Projected ImageAdjusting the Projector Image Height Adjusting Projection Image Size Adjusting the Projector Zoom / FocusUser Controls Control Panel & Remote ControlDisplay Mode Volume +Keystone DisplayVideo ClearSource Lock On Screen Display Menus How to OperateMenu Tree Image-I Display ModeBrightness ContrastSharpness Colour TemperatureSaturation Image-II Ver. Shift Input SignalColour ColourDVI/VGA Language LanguageManagement Reset VolumePIP Source Switch RS232 PortLogo Capture Security SettingsLogo LAN How to use web browser to control your projector Local Area Network LAN Lamp & Power Appendices TroubleshootingProblem No image appears on screen Problem Image is out of focus Problem Image is unstable or flickeringProblem Image has vertical flickering bar Problem Image is reversed Problem The image is stretched when displaying 169 DVDProblem Lamp burns out or makes a popping sound Problem LED lighting messageProblem Message Reminders Replacing the Lamp Lamp Replacement ProcedureAnalog Digital Compatibility ModesRS232 Connector VGA-In Connector RS232 CommandsCeiling Mount Installation USA Optoma Global Offices