Optoma Ex765 Projector User Manual

							
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User Controls

OPTIONS | 
Lamp Settings
 Lamp Hours
Displays total lamp hours.
 Lamp Reminder
When turned on, a message will appear 30 hours before the end of 
suggested replacement lamp hour. 
 Brightness Mode
 STD: Choose “STD” to dim the projector lamp which will lower 
power consumption and extend the lamp life by up to 
30%. 
 Bright: Choose “Bright” to increase the brightness.
 Lamp Reset
Reset the lamp hour counter 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.
 If you are using a PC:
 For Windows 95, 98, 2000, XP:
.  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 (600 × 200).
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 
following steps.
5.  Verify the resolution setting is lower than or equal to UXGA 
(600 × 200).
  6.  Select the “Change” button under the “Monitor” tab.
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.	 
						

							
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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:
 .  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 40 for more information.
 Change the monitor color setting on your computer.
 Image has vertical flickering bar
 Use “Frequency” to make an adjustment. See page 40 for more 
information.
 Check and reconfigure the display mode of your graphic card to 
make it compatible with the projector. 
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 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 
3.28 to 32.8 feet (.0 to 0.0 meters) from the projector. 
 
See page 8.
  The image is stretched when displaying 6:9 DVD title
 When you play anamorphic DVD or 6:9 DVD, the projector will 
show the best image when the projector display mode is set to 
6:9 in the OSD.
 If you play the LBX format DVD title, please change the format as 
LBX in projector OSD
 If you play 4:3 format DVD titles, please change the format to 4:3 
in the 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 6:9 (wide) aspect ratio type 
on your DVD player.
 Image is too small or too large
 
Adjust the Zoom Ring on the top of the projector.
 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 horizontally 
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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 Other 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.
  Check that “Keypad Lock” is not activated by trying to control the\
 
projector with the remote control.
 
 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 57-58.
 
Projector Status Indication
 
 LED lighting message
MessagePower LEDTemp-LEDLamp-LED
(Blue/Red)(Red)(Red)
Standby State
(Input power cord)Red
Power on (Warming)FlashingBlue
Lamp lightingBlue
Power off (Cooling) FlashingRed
Error (Over Temp.)
Error (Fan fail)Flashing
(0.5s on, 0.5s off)
Error (Lamp fail)
Steady light     
No light  
Î  ON/STANDBY LED be ON when OSD appears, be OFF when OSD disappears.  
						

							
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Appendices

 On Screen Messages 
 Temperature warning:
  
 Fan failed:
  
 Lamp warming:
  
 Replacing the lamp:
  
 Status Message:
 
 
Remote Control Problems
 If the remote control does not work
 Check the operating angle of the remote control is within ±5° 
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.
 Replace batteries if they are exhausted. 
						

							
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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 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.”
HIGH TEMPERATURE COOL FOR30 MINUTES.HIGH PRESSURELAMP MAYEXPLODE IF IMPROPERLY HANDED.REFER TO LAMP REPLACEMENT INSTRUCTIONS.DISCONNECT POWER BEFORE CHANGING LAMP.
ATTENTION:AHAUTESTEMPERATURESREFROIDISSEZ PENDANT 30 MINUTES.Les lampesa haute pression peuvent exploser si elles sont malutilisees.Confier l entretien a une personne qualifiee.COUPERLECOURANTAVANTDEREMPLACERLE LAMPES.
C A U T I O N !Hg 
						

							
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Appendices

Lamp	Replacement	Procedure:
.  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.  Lift up and remove the cover. 
5.  Unscrew the three screws on the lamp module. 2
6.  Lift up the lamp handle and remove the lamp module slowly and carefully. 3
To replace the lamp module, reverse the previous steps.
7.   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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	The screws on the lamp cover and the lamp cannot be removed.  	The projector cannot be turned on if the lamp cover has not been 
placed back on the projector.  	Do not touch the glass area of the lamp. Hand oil can cause the lamp to shatter. Use a dry cloth to clean the lamp module if it was accidentally touched. 
						

							
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Appendices

Compatibility Modes
ModeResolutionV-Sync (Hz) 
AnalogDigital
VGA640 × 35070, 8570
VGA640 × 40085***
VGA640 × 48060, 72, 75, 8560, 72, 75
VGA720 × 40070, 8570
SVGA800 × 60056, 60, 72, 75, 8556, 60, 72, 75
XGA024 × 76860, 70, 75, 8560, 70, 75
SXGA 52 × 86470, 75, 8570, 75, 85
SXGA280 × 02460, 75, 8560, 75, 85
SXGA+ 400 × 0506060
UXGA600 × 2006060
MAC LC 3”640 × 48066.66***
MAC II 3”640 × 48066.68***
MAC 6”832 × 62474.55***
MAC 9” 024 × 76875***
MAC52 × 87075.06***
MAC G4640 × 48060***
i MAC DV 024 × 76875***
i MAC DV52 × 87075***
i MAC DV280 × 96060***
WXGA280 × 7206060, 75, 85
WXGA280 × 7686060, 75, 85
WXGA280 × 8006060, 75, 85
 Computer Compatibility
 Video Compatibility
NTSCM (3.58MHz), 4.43 MHz, 480i/p @60Hz
PALB, D, G, H, I, M, N, 576i/p @50Hz
SECAM B, D, G, K, K, L
SDTV/HDTV480i/p, 576i/p, 720p@50Hz/60Hz, 080i/p@50Hz/60Hz
	For widescreen resolution (WXGA), the compatibility support is dependent on Notebook/PC models. 
						

							
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Appendices

RS232	Commands
RS232	Pin	Assignments
Pin no.Spec.
N/A
2RXD
3TXD
4N/A
5GND
6N/A
7N/A
8N/A
9N/A
12345
6789
Pin no.NameI/O (From Projector Side)
TXDOUT
2RXDIN
3GNDGND
12
3