Optoma Ep729 Projector User Manual

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User Controls
™“Saturation” function
is not supported under
computer mode.
Saturation
Adjusts a video image from black and white to  fully saturated
color.
4Press the  to decrease the amount of color in the image.
4Press the  to increase the amount of color in the image.
Sharpness
Adjusts the sharpness of the image.
4Press the  to decrease the sharpness.
4Press the  to increase the sharpness.     
						

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Image-II
User Controls
Frequency
“Frequency”changes the display data frequency to match the
frequency of your computer’s graphic card. If you experience a
vertical flickering bar, use this function to make an adjustment.
Phase
“Phase” synchronizes the signal timing of the display with the
graphic card. If you experience an unstable or flickering image, use
this function to correct it.
Hor. Position (Horizontal Position)
4
Press the  to move the image left.
4Press the  to move the image right.
Ver. Position (Vertical Position)
4
Press the  to move the image down.
4Press the  to move the image up.
Degamma
This allows you to choose a degamma table that has been fine-
tuned to bring out the best image quality for the input.
Aspect Ratio
Use this function to choose your desired aspect ratio.
44:3 : The input source will be scaled to fit the projection screen.
416:9 : The input source will be scaled to fit the width of the
screen.
Ver. Shift (16:9)
Adjust the image position to up or down, when you select the
aspect ratio to 16:9.
4Press the  to move the image down.
4Press the  to move the image up.
™“Frequency/Phase/
Hor. Position/Ver.
position” function is
not supported under
video  mode.       
						

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Menu Location
Choose the menu location on the display screen.
Projection
4
Front-Desktop
The factory default setting.
4Rear-Desktop
When you select this function, the projector reverses the image
so you can project behind a translucent screen.
4Front-Ceiling
When you select this function, the projector turns the image
upside down for ceiling-mounted projection.
4Rear-Ceiling
When you select this function, the projector reverses and turns
the image upside down at same time. You can project from
behind a translucent screen with ceiling mounted projection.
Keystone
Correct image distortion caused by tilting the projector vertically.
Source Lock
When this function is turned off, the projector will search for other
signals if the current input signal is lost. When this function is
turned on, it will search specified connection port.
High Altitude
Choose “On” to turn on High Altitude mode. Operates the fans at
full speed continuously to allow for proper high altitude cooling of
the projector.
Management
User Controls             
						

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Translucence
Choose the menu transparency on the display screen.
Reset
Return the adjustments and settings to the factory default values.
4Execute: Returns the settings for all menus to factory default
values.
4Cancel: Cancel the revised settings
User Controls   
						

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Projection Hours
Display the projection time.
Lamp Hours
Display the cumulative lamp operating time.
Lamp Reset
Reset the lamp life hour after replacing a new lamp.
Lamp Reminding
Choose this function to show or to hide the warning message when
the changing lamp message is displayed. The message will show up
30 hours before end of life.
ECO Mode
Choose “On” to dim the projector lamp which will lower power
consumption and extend the lamp life by up to 130%. Choose ”Off”
to return to normal mode.
Sleep Timer
Sets the interval of power-off of the system, if there is no signal
input. (In minutes)
Lamp Setting
User Controls     
						

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Appendices
Problem: No image appears on screen.
4Ensure all the cables and power connections are correctly and
securely connected as described in the “Installation” section.
4Ensure the pins of connectors are not crooked or broken.
4Check if the projection lamp has been securely installed. Please
refer to the “Replacing the lamp” section.
4Make sure you have removed the lens cap and the projector is
switched on.
4Ensure that the “Hide” feature is not turned on.
Problem: Partial, scrolling or incorrectly displayed image.
4Press “Auto” on the Remote Control or press “Re-sync” on the
Control Panel.
4If you are using a PC:
For Windows 3.x:
1.In the Windows Program Manager, double click the “Windows
Setup” icon in the Main group.
2.Verify that your display resolution setting is less than  or equal
to 1280 x 1024.
For Windows 95, 98, 2000, XP:
1.From the “My Computer” icon, open the “Control Panel”
folder, and double click the “Display” icon.
2.Select the “Settings” tab
3.Click on the “Advanced Properties” button.
If the projector is still not projecting the whole image, you will
also need to change the monitor display you are using. Refer to
the following steps.
Troubleshooting
If you experience trouble with the projector, refer to
the following information.  If the problem persists, please
contact your local reseller or service center.   
						

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4.Verify the resolution setting is less than or equal to 1280 x 1024
resolution.
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.
4If 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]
4If you experience difficulty changing resolutions or your
monitor freezes, restart all equipment including the projector.
Problem: The screen of the Notebook or PowerBook com-
puter is not displaying a presentation.
4If 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
4Use “Phase” to correct it.  Refer to page 22.
4Change the monitor color setting from your computer.
Problem: Image has vertical flickering bar
4Use “Frequency” to make an adjustment.  Refer to page 22.
4Check and reconfigure the display mode of your graphic card to
make it compatible with the product.
Appendices
Compaq=> [Fn]+[F4]
Dell => [Fn]+[F8]
Gateway=> [Fn]+[F4]
Hewlett
Packard=>[Fn]+[F4]
IBM=>[Fn]+[F7]NEC=>[Fn]+[F3]
Toshiba => [Fn]+[F5]
Mac Apple:
System Preference-->
Display-->Arrangement-->
Mirror display   
						

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Problem: Image is out of focus
4Adjusts the Focus Ring on the projector lens.  Refer to page 14.
4Make sure the projection screen is between the required distance
4.9 to 32.8 feet (1.5 to 10.0 meters) from the projector.
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:
4Please select 4:3 aspect ratio type on your DVD player if you are
playing a 16:9 DVD.
4If 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.
4Select “Management-->Projection” from the OSD and adjust the
projection direction.  See page 23.
Problem: Lamp burns out or makes a popping sound
4When 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 30.
Problem: LED lighting message
Message         Power LED
Temp LED Lamp LED
Green Orange
Standby State
(Input power cord)
Normal Mode
WarmingFlashing
CoolingFlashing
Error (Lamp failed) Flashing
Error (Fan failed)Flashing
Error (Over Temp.)
Error
(Lamp cover failed)
Appendices
Steady light => 
No light =>    
						

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Appendices
Problem: Message Reminders
4Standby :
 
4Replacing the lamp :       
						

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Replacing the lamp
The projector will detect the lamp life itself.  It will show you a
warning message “Lamp life exceeded” When you see this
message, change the lamp as soon as possible.
Make sure the projector has been cooled down for at least 30
minutes before changing the lamp.
Warning: Lamp
compartment is hot!
Allow it to cool down
before changing lamp!
Warning: To
reduce the risk of
personal injury, do not
drop the lamp module
or touch the lamp
bulb. The bulb may
shatter and cause
injury if it is dropped.
Appendices
 13
42
Lamp Replacing Procedure:
1.Switch off the power to the projector by pressing the Power
button.
2.Allow the projector to cool down at least 30 minutes.
3.Disconnect the power cord.
4.Use a screwdriver to remove the screw from the cover.n
5.Push up and remove the cover.o
6.Remove the 2 screws from the lamp module.p
7.Pull out the lamp module. q
To replace the lamp module, reverse the previous steps.