Optoma Projector Ep540 User Manual

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wOSD Menus
The OSD (On-Screen Display) menus will allow you to easily adjust the display
functions.  Refer to the following table to find out the location of your adjusting
items.
Main Menu Sub Menu
Language English
French
German
Spanish
Italian
SourceVideo 1, Video 2, S-Video
Picture Brightness
Contrast
Color
Tint
Sharpness
Ceiling Projection
Rear Projectiotion
Audio Volume
Balance
Treble
Bass
Mode
Lamp Lamp Warning
Lamp Reset
Reset All Reset, Cancel 

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wThe way to open the OSD menus will be as follows:
4
Main Menu:
Press “MENU” button to pop up the OSD Main Menu.  There will be six sub-
menus of “Language”, “Source”, “Picture”, “Audio”, “Lamp” and “Reset All” for
you to easily adjust the screen images.
Main Menu
Language
Source
Picture
Audio
Lamp
Reset All
4Sub-menus:
After entering the Main Menu, use 
5or
6 button to select the main item you require.
Then press “ENTER” button to go into its sub-menu.  Such as:
4Adjusting Items:
Choose the...

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Function Descriptions
4Power On/StandbyPress the “Power On/Standby” button to turn on the
projection lamp.
Press “Menu” button to pop up the OSD menu.
“Enter” is used for confirming your selection.
Use 
5or
6 button to select items.  Use 
3or
4 to make
adjustments for your selection.
Press the “Freeze” button to still the screen image.
Use this function to shut off the sound.
Choose “Language” item to select your choice of English,
French, German, Spanish or Italian.
Choose “ Source” function...

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To adjust the contrast of the image, select “Contrast” from
OSD menus or the remote control.
To adjust the color of the image, select “Color” from OSD
menus or the remote control.
To adjust the tint of the image, select “Tint” from OSD
menus or the remote control.
To adjust the sharpness of the image, select “Sharpness”
from OSD menus or the remote control.
Choose this funtion from OSD menus for a ceiling
mounted projection.
Choose this function from OSD menus for a rear
projection.
4Contrast...

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Use this function to control the treble level.
Use this function to control the bass level.
There are four modes for your choices: Spatial Stereo,
Pseudo Stereo, Linear Stereo, and Forced Mono.
Choose this function to show or hide the warning
message.
After changing a new lamp, reset the lamp life timer from
OSD menus.
wLamp Functions
4
Lamp Warning
4Lamp Reset
4Treble
4Bass
4Mode 

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Troubleshooting
If you are experiencing trouble with the projection display, refer to the follows.  If the
problem persists, please contact your local dealer or our service center.
Problem: No image appears on screen.
4Press “Power on/Standby” button.
4Ensure all the cables and power connections are correctly and securely connected
as described in the “Installation” section.
4Ensure the pins of connectors are not crooked or broken.
4Check if the projection lamp has securely installed.  Please...

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Maintenance
wChanging the Lamp
The projection display will detect the lamp life itself.  It will show you a warning
message when the lamp is used over working hours.  When you see this message,
change the lamp as soon as possible.
Make sure the projection display has cooled for at least 30 minutes before
change the lamp.
Warning: Lamp compartment is hot!  Allow it to cool before changing
lamps!
* We suggest you a Professional Engineer or to contact our local dealer for
changing the projection...

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Warning: Never touch the glass or white powder of the lamp as finger
oil, dust or water will damage the lamp.
5. Replace a new lamp.
Hold the new lamp by its base (we suggest you to put gloves on) and then push it
firmly into the usage position.  Remember to push the bottom of the lamp back to its
position first and then the head.  Tighten the screws. 3. Unscrew the two screws on the bottom of the lamp module.
Then release the head screw of the lamp module.
4. Take out the used lamp from the...

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wChanging the Fuse
Fuse Holder
the Blown Fuse
1. Switch off the power and unplug the power cord.
2. Pull out the fuse holder.
3. Remove the blown fuse and then insert a new fuse.
4. Put the fuse holder back in position.
4Fuse Changing Procedure: 

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Specifications
LCD Panel - active matrix TFT color LCD
- 6.4” panel x 1
- tr=30ms, tf=50ms response time
- 200:1 contrast ratio
Lamp - 330-watt metal halide
Display Resolution - 800 pixels(H) x 600 lines(V)
Displayable Color - 16.7M colors
Image Size - 40” to 160” diagonal
Projection Distance - 5 ft. to 20 ft./ 1.5 m to 6 m
Video Compatibility - NTSC/ NTSC 4.43/ PAL/ SECAM compatible
- composite video & S-Video capability
Multimedia Audio - two internal speakers with 3 watt output
- built-in...