Optoma Ep747 Projector User Manual

							
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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. 
  If you are using a Notebook:
1.  First, follow the steps above to adjust resolution of the com-
puter.
2.  Press the toggle output settings. example: [Fn]+[F4]
   
  If you experience difficulty changing resolutions or your monitor 
freezes, restart all equipment including the projector.
Problem: The screen of the Notebook or PowerBook computer 
is not displaying a 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 documentation for detailed 
information.
Problem: Image is unstable or flickering
 Use “Phase” to correct it.
 Change the monitor colour setting on your computer.
Problem: Image has vertical flickering bar
 Use “Frequency” to make an adjustment.
  Check and reconfigure the display mode of your graphic card to 
make it compatible with the product. 
Problem: Image is out of focus
  Adjusts the Focus Ring on the projector lens.
Compaq=>   [Fn]+[F4]
Dell =>   [Fn]+[F8]
Gateway=>  [Fn]+[F4]
IBM=>  [Fn]+[F7]
Mac Apple: System Preference-->Display-->Arrangement-->Mirror display
Packard =>   [Fn]+[F4]Hewlett 
NEC=>   [Fn]+[F3]
Toshiba =>   [Fn]+[F5] 
						

							
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  Make sure the projection screen is between distance 4.9 to 40.0 feet 
(1.5 to 12.2 meters) from the projector. See page 15.
Problem: The image is stretched when displaying 16:9 DVDThe 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 “Management-->Projection” from the OSD and adjust the 
projection direction.
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”.
Problem: LED lighting message
Steady light => No light => 
MessagePower-LEDTemp-LEDLamp-LED(Green)(Red)
Standby State (Input power cord)
WarmingFlashing
Normal Mode
CoolingFlashing
Error (Lamp failed)
Error (Fan failed)Flashing
Error (Over Temp.) 
						

							
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Problem: Message Reminders
 Fan fail: 
 
 Over temperature:  
 
 Power Off:  
 
  Replace the lamp:  
 
    
						

							
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Replacing the Lamp
The projector keeps track of the lamp usage.  It will show you a 
warning message 
When you see this message, change the lamp as soon as pos-
sible. Make sure the projector has cooled down for at least 30 
minutes before changing the lamp. 
Warning: Lamp compartment is hot!  Allow 30 minutes 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.
Lamp Replacement Procedure: 
1.  Switch off the power to the projector by pressing the Power/Standby button.
2.  Allow the projector to cool down for at least 30 minutes.
3.  Disconnect the power cord.
4.  Use a screwdriver to remove the screws from the cover.
5.  Push up and remove the cover.
6.  Remove the 2 screws from the lamp module.
7.   Pull out the lamp module. 
To replace the lamp module, reverse the previous steps.
1
3
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Remark :  “*”com-pressed computer image.
Compatibility Modes
ModeResolution(ANALOG)(DIGITAL)
V.Frequency(Hz) H.Frequency(kHz) V.Frequency(Hz) H.Frequency(kHz) 
VESA VGA640 x 3507031.57031.5
VESA VGA640 x 3508537.98537.9
VESA VGA640 x 4008537.98537.9
VESA VGA640 x 4806031.56031.5
VESA VGA640 x 4807237.97237.9
VESA VGA640 x 4807537.57537.5
VESA VGA640 x 4808543.38543.3
VESA VGA720 x 4007031.57031.5
VESA VGA720 x 4008537.98537.9
VESA SVGA800 x 6005635.25635.2
VESA SVGA800 x 6006037.96037.9
VESA SVGA800 x 6007248.17248.1
VESA SVGA800 x 6007546.97546.9
VESA SVGA800 x 6008553.78553.7
VESA XGA1024 x 7686048.46048.4
VESA XGA1024 x 7687056.57056.5
VESA XGA1024 x 7687560.07560.0
VESA XGA1024 x 7688568.78568.7
* VESA SXGA1280 x 10246063.986063.98
* VESA SXGA1280 x 10247579.987579.98
* VESA SXGA+1400 x 10506063.986063.98
MAC LC 13”640 x 48066.6634.98******
MAC II 13”640 x 48066.6835******
MAC 16”832 x 62474.5549.725******
MAC 19”1024 x 7687560.24******
 * MAC1152 x 87075.0668.68******
MAC G4640 x 4806031.35******
 i MAC DV1024 x 7687560******
*  i MAC DV1152 x 8707568.49******
*  i MAC DV1280 x 9607575****** 
						

							
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RS232 Commands
Pin no.NameI/O (From Projec-tor Side
1TXDOUT
2RXDIN
3GND__
Pin no.Spec.
1R(RED)/Cr
2G(GREEN)/Y
3B(BLUE)/Cb
4GND
5GND
6GND
7GND
8GND
9DDC 5V
10GND
11GND
12DDC Date
13HD/CS
14VD
15DDC Clock
12345
678910
1112131415
12
3
RS232 ConnectorVGA-In Connector          
						

							
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Please note that damage resulting from incorrect installation will invalidate the war-ranty.
Ceiling Mount Installation
1.  To prevent damaging your projector, please use the ceiling 
mount package for installation.
2.  If you wish to use a third party ceiling mount kit, please 
ensure the screws used to attached a mount to the projector 
meet the following specifications:
 Screw type: M3
 Maximum screw length: 10mm
 Minimum screw length: 7.5mm
Warning: 1. If you buy the ceiling mount from another manufacturer, please ensure that there is at least 10cm distance be-tween the bottom cover of the projector and the ceiling.2. Avoid placing the projector near sources of heat such as air-conditioning units and heaters otherwise it may overheat and shut down automatically.
47.00
82.00
1.00
79.50
124.29
67.08
53.33
/254.50
204.50Max./Min.
347.3
246.2
15.6
94.7                                                                                                                                                                                                                                                                                                                                                                                                                                            
						

							
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Optoma Global Office
For service or support please contact your local office.
USA
715 Sycamore Drive  Tel : 408-383-3700
Milpitas, CA 95035, USA  Fax: 408-383-3702 
www.optomausa.com Service : [email protected]
Canada
120 West Beaver Creek Road Unit #9
Richmond Hill, ON L4B 1L2, Canada
Tel : 905-882-4228 Fax: 905-882-4229
www.optoma.com
Europe
42 Caxton Way, The Watford Business Park 
Watford, Hertfordshire, WD18 8QZ, UK 
Tel : +44 (0) 1923 691 800  Fax: +44 (0) 1923 691 888
www.optomaeurope.com
Service Tel : +44 (0)1923 691865  Service : [email protected]
Taiwan
5F., No. 108, Minchiuan Rd.  Tel : +886-2-2218-2360
Shindian City, Taipei Taiwan 231,  Fax: +886-2-2218-2313
R.O.C. www.optoma.com.tw
Service : [email protected]  asia.optoma.com
Hong Kong
Unit 901, 9/F., Vogue Centre, No. 696 
Castle Peak Road, Kowloon, Hong Kong
Tel : +852-2396-8968 Fax: +852-2370-1222
www.optoma.com.cn
China
5F, No. 1205, Kaixuan Rd.,  Tel : +86-21-62947376
Changning District  Fax: +86-21-62947375
Shanghai, 200052, China www.optoma.com.cn
Latin America
715 Sycamore Drive  Tel : 408-383-3700
Milpitas, CA 95035, USA Fax: 408-383-3702
www.optoma.com.br www.optoma.com.mx