Optoma Ex551 Projector User Manual

EN-11
Remote Control
Switch
Switch to mouse mode when 
the on-screen menus are close. 
Source
Switch between input signals.
Four directional buttons
Use four directional buttons to 
select items or make 
adjustments to your  selection.
Left mouse
Perform the left button of the 
mouse when mouse mode is 
activated.
Keystone (/)
Manually correct distorted 
images resulting from an 
angled projection.
Brightness
Display the setting bar for 
adjustment of brightness.
Freeze
Freeze the projected image.
HDMI...

 EN-12Enter
Confirmed selections.
Right mouse
Perform the right button of the 
mouse when mouse mode is 
activated.
Volume ( / )
Adjust the volume level.
Menu
Display on-screen display 
menus.
ZOOM
Magnifies or reduces the 
projected picture size.
AV  m u t e
Cut off the AV Mute temporarily. 
Only pressing AV Mute again 
can output sound and image. If 
any other buttons are pressed, 
the projection image will 
become abnormal and no 
sound will be output.
Video
Display video signal.
VGA
Switch input...

EN-13
Installing the Batteries
1. Open the battery cover in the 
direction shown.
2. Install batteries as indicated by 
the 
diagram inside the compartment.
3. Close the battery cover into 
position.
Caution
„Risk of explosion if battery is replaced by an incorrect type.
„Dispose of used batteries according to the instructions.
„Make sure the plus and minus terminals are correctly aligned when 
loading a battery.
Note
„Keep the batteries out of the reach of children. There is a danger of death by...

 EN-14
Remote Control Operation
Point the remote control at the infrared remote sensor and press a button.
„Operating the projector 
from the front
Note
„The remote control may not operate when there is sunlight or other strong light such as a
fluorescent lamp shining on the remote sensor.
„Operate the remote control from a position where the remote sensor is visible.„Do not drop the remote control or jolt it.„Keep the remote control out of locations with excessively high temperature or humidity.„Do not...

EN-15
Connection
When connecting a signal source to the projector, be sure to:
1. Turn all equipment off before making any connections.
2. Use the correct signal cables for each source.
3. Ensure the cables are firmly inserted.
1. ............................................................................................ *Audio cable
2. ............................................................................................ *HDMI cable
3....

 EN-16
Connecting a computer or monitor
Connecting a computer
The projector provides two VGA input sockets that allow you to connect them 
to both IBM® compatibles and Macintosh® computers. A Mac adapter is 
needed if you are connecting legacy version Macintosh computers.
To connect the projector to a notebook or desktop computer:
1. Take the supplied VGA cable and connect one end to the D-Sub output 
socket of the computer.
2. Connect the other end of the VGA cable to the VGA1-IN/YPbPr or 
VGA2-IN/YPbPr...

EN-17
Connecting Video source devices
You can connect your projector to various Video source devices that provide 
any one of the following output sockets:
„HDMI
„Component Video
„S-Video
„Video (composite)
You need only connect the projector to a Video source device using just one 
of the above connecting methods, however each provides a different level of 
video quality. The method you choose will most likely depend upon the 
availability of matching terminals on both the projector and the Video source...

 EN-18
Connecting an HDMI source device
Examine your Video source device to determine if it has a set of unused 
HDMI output jacks available:
„If so, you can continue with this procedure.
„If not, you will need to reassess which method you can use to connect to 
the device.
To connect the projector to an HDMI source device:
1. Take an HDMI cable and connect one end to the HDMI output jack of the 
HDMI source device.
2. Connect the other end of the HDMI cable to the 
HDMI jack on the 
projector....

EN-19
Connecting an S-Video source device
Examine your Video source device to determine if it has an unused S-Video 
output socket available:
„If so, you can continue with this procedure.
„If not, you will need to reassess which method you can use to connect to 
the device.
To connect the projector to an S-Video source device:
1. Take an S-Video cable and connect one end to the S-Video output socket 
of the Video source device.
2. Connect the other end of the S-Video cable to the 
S-VIDEO socket on the...

 EN-20
Connecting a composite Video source device
Examine your Video source device to determine if it has a set of unused 
composite Video output sockets available:
„If so, you can continue with this procedure.
„If not, you will need to reassess which method you can use to connect to 
the device.
To connect the projector to a composite Video source device:
1. Take a Video cable and connect one end to the composite Video output 
socket of the
 Video source device.
2. Connect the other end of the Video...