Optoma Projector Ex525st User Manual

							
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User Controls

Options | Advanced
 Direct Power On
Choose “On” to turn on Direct Power On mode. The projector 
will automatically power on when AC power is supplied, without 
pressing the “ON/STANDBY” key on the projector control panel 
or “Power” key on the remote control.
 Eco. Standby power (
						

							
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User Controls
Options | 
Lamp Settings
 Lamp Hours
Display the projection time.
 Lamp Reminder
Choose this function to show or to hide the warning message 
when the changing lamp message is displayed. The message will 
appear 30 hours before suggested replacement of lamp. 
 Brightness Mode
 STD: Choose “STD” to dim the projector lamp which will lower 
power consumption and extend the lamp life by up to 
130%. 
 BRIGHT: Choose “BRIGHT” to increase the brightness.
 Lamp Reset
Choose “Yes” to reset the lamp life hour after replacing the lamp. 
						

							
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Appendices
Image Problems
 No image appears on-screen
 Ensure all the cables and power connections are correctly and 
securely connected as described in the “Installation” section.
 Ensure all the pins of connectors are not bent or broken.
 Check if the projection lamp has been securely installed. Please 
refer to the “Replacing the lamp” section.
 Make sure you have removed the lens cap and the projector is 
switched on.
 Ensure that the “AV mute” feature is not turned on.
 Partial, scrolling or incorrectly displayed image
 Press “Re-Sync” on the remote control or control panel.
 If you are using a PC:
 For Windows 95, 98, 2000, XP:
1.  Open the “My Computer” icon, the “Control Panel” folder, and 
then double click on the “Display” icon.
2.  Select the “Settings” tab.
3.  Verify that your display resolution setting is lower than or equal 
to UXGA (1600 x 1200). (*)
4.  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 fol-
lowing steps.
5.  Verify the resolution setting is lower than or equal to UXGA 
(1600 x 1200).
Troubleshooting
 If you experience a problem with your projector, 
please refer to the following information. If a 
problem persists, please contact your local  
reseller or service center.  
(See pages 55-56 for details)
	(*) The resolution XGA (1024 x 768) is recommended for computer signal. 
						

							
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Appendices

 6.  Select the “Change” button under the “Monitor” tab.
  7.  Click on “Show all devices”. Next, select “Standard monitor 
types” under the SP box; choose the resolution mode you need 
under the “Models” box. 
  8.  Verify that the resolution setting of the monitor display is 
lower than or equal to UXGA (1600 x 1200). (*)
 If you are using a Notebook:
  1.  First, follow the steps above to adjust resolution of the 
 
computer.
  2.  Press the appropriate keys listed below for your notebook 
manufacturer to send signal out from notebook to projector. 
Example: [Fn]+[F4]
   
 
 If you experience difficulty changing resolutions or your monitor 
freezes, restart all equipment including the projector.
 The screen of the Notebook or PowerBook computer is not 
displaying your 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 manual for detailed  
information.
 Image is unstable or flickering
 Use “Phase” to correct it. See page 35 for more information.
 Change the monitor color setting on your computer.
	(*) The resolution XGA (1024 x 768) is recommended for computer signal.
Acer    
[Fn]+[F5]
Asus   [Fn]+[F8]
Dell    [Fn]+[F8]
Gateway  [Fn]+[F4]
Mac Apple: System Preference  Display  Arrangement  Mirror display
IBM/Lenovo   [Fn]+[F7]
HP/Compaq   [Fn]+[F4]
NEC     [Fn]+[F3]
Toshiba     [Fn]+[F5] 
						

							
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Appendices

 Image has vertical flickering bar
 Use “Frequency” to make an adjustment. See page 35 for more 
information.
 Check and reconfigure the display mode of your graphic card to 
make it compatible with the projector.  
 Image is out of focus
 Make sure the lens cap is removed.
 Adjusts the Focus Ring on the projector lens. 
 Make sure the projection screen is between the required distance 
1.6 to 12.1 feet (0.5 to 3.7 meters) from the projector. See page 17.
 The image is stretched when displaying 16:9 DVD title
When you play anamorphic DVD or 16:9 DVD, the projector will 
show the best image in 16:9 format on projector side.
If you play 4:3 format DVD title, please change the format as 4:3 
in projector OSD.
If the image is still stretched, you will also need to adjust the 
aspect ratio by referring to the following:
 Please setup the display format as 16:9 (wide) aspect ratio type on 
your DVD player.
 Image is too small or too large
 Move the projector closer to or further from the screen.
 Press [Menu] button on the remote control or projector panel, go 
to “Display  Format” and try the different settings.
 Image has slanted sides
 If possible, reposition the projector so that it is centered on the 
screen and below the bottom of the screen.
 Press [Keystone +/-] button on the remote control or press [ 
] on the projector panel, until the sides are vertical .
 Image is reversed
 Select “Setup  Projection” from the OSD and adjust the  
projection direction.
	Use of Keystone is not recommended. 
						

							
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Appendices

 Intermission Problems
 The projector stops responding to all controls
  If possible, turn off the projector, then unplug the power cord and 
wait at least 60 seconds before reconnecting power.
 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” section 
on pages 48-49.
 
Projector Status Indication
 
 LED lighting message
MessagePower LEDTemp-LEDLamp-LED
(Green/Amber)(Red)(Red)
Standby State
(Input power cord)FlashingAmber
Power on (Warming)FlashingGreen
Lamp lightingGreen
Error (Over Temp.)
Error (Fan fail)Flashing
(0.25s on, 0.25s off)
Error (Lamp fail)
Steady light      No light   
						

							
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Appendices

 Message Reminders
 
 Fan failed:
 
 Temperature warning:
 
 Lamp Warning:
 
 Source Message:
 
 
Remote Control Problems
 If the remote control does not work
 Check the operating angle for the remote control is approximately 
±22.5°.
 Make sure there are no obstructions between the remote  
control and the projector. Move to within 6 m (20 ft) of the  
projector.
 Make sure the batteries are inserted correctly.
 Replace weak batteries in the remote control. 
						

							
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Appendices

 Replacing the lamp
The projector automatically detects the lamp life. When the 
lamp life is nearing the end of use, you will receive a warning 
message.
When you see this message, please contact your local reseller 
or service center to change the lamp as soon as possible. Make 
sure the projector has been cooled down for at least 30 min-
utes before changing the lamp. 
 Warning: Lamp compartment may be hot! Allow it to cool 
down before changing the 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.
 Warning: If ceiling mounted, please use caution when 
opening the lamp access panel. It is recommended to wear 
safety glasses if changing the bulb when ceiling mounted. 
“Caution must be used to prevent any loose parts from falling 
out of projector.”
C A U T I O N !Hg
HIGH TEMPERATURE COOL FOR30 MINUTES.HIGH PRESSURELAMP MAYEXPLODE IF IMPROPERLY HANDED.REFER TO LAMP REPLACEMENT INSTRUCTIONS.DISCONNECT POWER BEFORE CHANGING LAMP. REPLACE ONLY WITHOSRAM P-VIP 200/1.0 E20.6nATTENTION:AHAUTESTEMPERATURESREFROIDISSEZ PENDANT 30 MINUTES.Les lampesa haute pression peuvent exploser si elles sont malutilisees.Confier l entretien a une personne qualifiee.COUPERLECOURANTAVANTDEREMPLACERLE LAMPES.NEREPLACEGUE DESLAMPESOSRAM P-VIP 200/1.0 E20.6n 
						

							
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Appendices

5
1
2
34

Lamp Replacement Procedure:
1.  Switch off the power to the projector by pressing the “Power” button.
2.  Allow the projector to cool down for at least 30 minutes.
3.  Disconnect the power cord.
4.  Use a screwdriver to unscrew the 2 screws from the cover. 
5.  Push up and remove the cover. 
6.  Use a screwdriver to unscrew the 2 screws from the lamp module. 
7.  Pull up the lamp handle carefully. 
8.  Remove the lamp module. 
To replace the lamp module, follow previous steps in reverse order.
9.  Turn on the projector and use “Lamp Reset” after the lamp module is replaced.
Lamp Reset: (i) Press “Menu”  (ii) Select “Options”  (iii) Select “Lamp settings”  (iv) Select “Lamp reset  (v) Select “Yes”. 
						

							
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Appendices

Compatibility Modes
ModeResolutionV-Sync (Hz) 
AnalogDigital
VGA640 x 35070, 8570, 85
VGA640 x 4008585
VGA640 x 48060, 72, 75, 8560, 72, 75, 85
VGA720 x 40070, 8570, 85
SVGA800 x 60056, 60, 72, 75, 8556, 60, 72, 75, 85
XGA1024 x 76860, 70, 75, 8560, 70, 75, 85
SXGA1152 x 86470, 75, 8570, 75, 85
SXGA1280 x 102460, 75, 8560, 75, 85
SXGA+1400 x 10506060
UXGA1600 x 12006060
MAC LC 13”640 x 48066.66***
MAC II 13”640 x 48066.68***
MAC 16”832 x 62474.55***
MAC 19”1024 x 76875***
MAC1152 x 87075.06***
MAC G4640 x 48060***
i MAC DV1024 x 76875***
i MAC DV1152 x 87075***
i MAC DV1280 x 96060***
WXGA1280 x 7206060, 75, 85
WXGA1280 x 7686060, 75, 85
WXGA1280 x 8006060, 75, 85
 Computer Compatibility
 Video Compatibility
NTSCM (3.58MHz), 4.43 MHz, 
PALB, D, G, H, I, M, N,4.43 MHz, 
SECAMB, D, G, K, K1, L
Component480i/p, 576i/p, 720p@50/60Hz, 1080i@50/60Hz