Optoma Ex665utis Projector User Manual

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Appendices
 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 × 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...

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Appendices
 Image is out of focus
 Make sure the lens cap is removed.
 Adjust the Focus Ring on the projector lens. 
 Make sure the projection screen is between the required distance. 
See page 18.
 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 when the projector display mode is set to 
16:9 in the OSD.
 If you play 4:3 format DVD titles, please change the format to 4:3 
in the projector OSD.
 If...

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Appendices
 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 76-77.
 LED lighting message
Steady light    
No light  
MessagePOWER/STAND-BY LEDTemp-LEDLamp-LED
(Green/Amber)(Red)(Red)
Standby State
(Input power cord)Amber
Power on...

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Appendices
 On Screen Messages 
 Temperature warning:
 
 Fan failed:
 
 Lamp warning:
 
 Out of display range:
 
 Filter warning:
 
 If the remote control does not work
 Check the operating angle of the remote control is within ±15° both horizontally and vertically of one of the IR receivers on the projector.
 Make sure there are not any obstructions between the remote control and the projector. Move to within 7 m (±0°) of the projector.
 Make sure the batteries are inserted correctly....

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Appendices
 If the Interactive pen does not work
 Check the input source is PC (VGA, HDMI, Wireless and LAN source)
 Check the Interactive function is turned On. 
 When using Wireless or LAN connection, and the Pen does not work, check if the Wireless/Network function is turned On.
 If more than one Pen point toward the screen at the same time, none can function.
 Check the Nib, If the Nib is worn out, replace with a new Nib.
 Make sure the batteries are inserted correctly.
 Replace...

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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 
minutes before changing the lamp. 
 Warning: Lamp compartment may be hot! Allow it to cool 
down before changing the lamp!
 Warning: To reduce the...

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Appendices
Lamp Replacement Procedure:
1. Switch off the power to the projector by pressing the “” button. 
2. Allow the projector to cool down for at least 30 minutes.
3. Disconnect the power cord.
4. Unscrew the one screw on the cover. 1
5. Lift up and remove the cover. 2
6. Unscrew the three screws on the lamp module. 3
7. Lift up the lamp handle and remove the lamp module slowly and carefully . 4
To replace the lamp module, reverse the previous steps.
8.  Turn on the projector and use “Lamp...

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Replacing and cleaning the dust 
filter
We recommend cleaning the dust filter after every 300 hours 
of use, clean it more often if the projector is used in a dusty 
environment. 
 
When you see this message, please find following steps for 
cleaning procedure: 
	If dust builds up on the filter is not cleaned, the projector will over-heat and cause problems with the operation and shorten the life of the product.
Cleaning the Dust Filter Procedure:
1. Switch off the power to the...

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Appendices
	For widescreen resolution (WXGA), the compatibility support is dependent on Notebook/PC models.
	120Hz input signals may be dependent on graphics cards support.
	Please note that using resolutions other than native 1024 x 768 (XGA model), 1280 x 800 (WXGA model) may result 
in some loss of image clarity.
	For WXGA model only. 
Compatibility Modes
ModeResolutionV-Sync (Hz)H-Sync (KHz)
AnalogDigitalAnalogDigital
VGA640 × 350707031.5031.50
VGA640 × 350858537.9037.90
VGA640 ×...

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Video Compatibility
Computer Compatibility
ModeResolutionV-Sync (Hz)H-Sync (KHz)
MAC LC 13”640 × 48066.6634.98
MAC II 13”640 × 48066.6835.00
MAC 16”832 × 62474.5549.73
MAC 19”1024 × 7687560.24
MAC1152 × 87075.0668.68
MAC G4640 × 4806031.35
i MAC DV1024 × 7687560.00
i MAC DV1152 × 8707568.49
NTSCM (3.58MHz), 4.43 MHz
PALB, D, G, H, I, M, N
SECAMB, D, G, K, K1, L
SDTV480i/p, 576i/p, 
HDTV720p@50Hz/60Hz, 1080i@50Hz/60Hz, 1080p@24Hz/50Hz/60Hz
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