Optoma Ex605st Projector User Manual

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User Controls
 Source Lock
 
On:  The projector will only search current input connection.
 Off: The projector will search for other signals if the current 
input signal is lost.  
 High Altitude
When “On” is selected, the fans will spin faster. This feature is 
useful in high altitude areas where the air is thin.
 Information Hide
 
On: Choose “On” to hide the info message.
 Off: Choose “Off” to show the “searching” message.
 Keypad Lock
When the keypad lock function is “On”, the control panel will be 
locked however, the projector can be operated by the remote 
control. By selecting “Off”, you will be able to reuse the control 
panel.
  Background Color
Use this feature to display a “Black”, “Red”, “Blue”, “Green” or 
“White”, screen when no signal is available.
  Reset
Choose “Yes” to return the display parameters on all menus to the 
factory default settings.
OPTIONS
	 To turn off the key-
pad lock, press and 
hold “Enter” key on 
top of the projector 
for 5 seconds.
	With dust filter 
installed, High 
Altitude mode must 
be turned on. Dust 
filter is Optional and 
may not be required 
in some regions. 
						

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English
User Controls
OPTIONS | 
Advanced
  Direct Power On
Choose “On” to activate Direct Power mode. The projector will 
automatically power on when AC power is supplied, without 
pressing the “
” key on the projector control panel or on the 
remote control.
  Auto Power Off (min)
Sets the countdown timer interval. The countdown timer will start, 
when there is no signal being sent to the projector. The projector 
will automatically power off when the countdown has finished (in 
minutes).
 Sleep Timer (min)
Sets the countdown timer interval. The countdown timer will start, 
with or without a signal being sent to the projector. The projector 
will automatically power off when the countdown has finished (in 
minutes).
 Power Mode (Standby)
 
Eco.: Choose “Eco.” to save power dissipation further < 1W.
 Active: Choose “Active” to return to normal standby and the  VGA out port will be enabled. 
	Eco (
						

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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. 
 BRIGHT: Choose “BRIGHT” to increase the brightness. 
  Lamp Reset
Reset the lamp hour counter after replacing the lamp.
	 When ambient tem -
perature is over 35 °C 
in operating, the 
projector will switch 
to STD automatically.
  
						

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English
Appendices
  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, Windows 7:
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 × 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 
following steps.
5.  Verify the resolution setting is lower than or equal to UXGA 
(1600 × 1200).
  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:
  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 37  for more information.
 Change the monitor color setting on your computer.
 Image has vertical flickering bar
 
Use “Frequency” to make an adjustment. See page 37 for more 
information.
  Check and re-configure 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 
displayIBM/Lenovo   [Fn]+[F7]
HP/Compaq   [Fn]+[F4]
NEC     [Fn]+[F3]
Toshiba      [Fn]+[F5] 
						

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English
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 16.
  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 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 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 recom-
mended. 
						

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Appendices
 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 49-50.
  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 (Warming)
Flashing
 
Green
Lamp lighting Green
Power off (Cooling) Flashing
 
Green
Error (Over Temp.) Flashing
 
Amber
Error (Fan fail) Flashing
 
Amber Flashing
Error (Lamp fail) Flashing
 
Amber
＊  POWER/STANDBY LED be ON when OSD appears, be OFF when OSD disappears.                    
						

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English
Appendices
  On Screen Messages 
 Temperature warning:
 
 Fan failed:
 
 Lamp warning:
 
 Out of display range:
 
  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.
 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 l east 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 shat-
ter 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 fall -
ing out of projector.”  
						

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English
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 two screws on the cover. 
1
5.  Lift up and remove the cover. 
2
6.  Unscrew the two 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 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”.
	
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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