Epson Projector Emp 7900 User Manual

10
Part Names and Functions
Remote Control
If you position the   over the button icon or button name, a description of that button will appear.
•
•• •Remote control light-emitting area   p.14•
•• •Indicator•
•• •[Page] buttons   p.20•
•• •[E-Zoom] buttons   p.59
•
•• •[Power] button   p.31, p.35•
•• •[R/C] switch   p.13•
•• •[ ] button   p.21, p.91, p.108
•
•• •[Enter( )] button   p.21, p.91, p.108•
•• •[Menu] button   p.91
•
•• •[Effect] button   p.62
•
•• •[ ] (illumination) button•
•• •[Volume]...

11
Part Names and Functions
Input/Output Ports
•
•• •[USB] port   p.20, p.140Connects the projector to a computer via the USB 
cable when using the wireless mouse function.
•
•• •[Video] port   p.23Inputs composite video
g signals from a 
video source.
•
•• •[Audio] ports (for [Video] port) 
 p.26Input audio signals from the source that is 
connected to the [Video] port.•
•• •[Audio Out] port   p.28Outputs the audio signals from the 
selected video source to external speakers.•
•• •[Remote] port   p.14,...

12
Before Using the Remote ControlInserting the Batteries
The batteries are not already inserted into the remote control at the time the 
projector is purchased. You will need to insert the batteries that are 
provided with the projector before the remote control can be used.PROCEDURE
Remove the battery cover.
While pushing down on the rib of the battery cover, slide the 
battery cover in the direction of the arrow. 
Insert the batteries.
Check the positions of the (+) and (–) marks inside the battery...

13
Before Using the Remote Control
Using the Remote Control and Remote Operating Range
The remote control is used in the following way.PROCEDURE
Set the [R/C] switch of the remote control to ON.Point the remote control light-emitting area towards 
one of the remote control light-receiving areas on the 
projector and operate the remote control buttons.
Using the Remote Control12
Remote control 
light-receiving 
area (front)Remote control 
light-receiving 
area (rear)
Remote control 
light-emitting area...

14
Before Using the Remote Control
Use the remote control within the ranges indicated below. If the distance or 
angle between the remote control and the remote control light-receiving 
area is outside the normal operating range, the remote control may not 
work.Remote Operating Range
Operating distance
Operating angle
Approx. 10 m (30 ft.)
Approx. ±30° horizontally
Approx. ±15° vertically
Remote control 
light-receiving areas
Operating angle (horizontal)
Approx. 30°Approx. 30°
Remote control...

15
InstallationSetting Up the Projector
The projector supports the following four different projection methods, 
allowing you to choose the best method for displaying your images.
* A special method of installation is required for suspending the projector 
from the ceiling. Please contact your supplier if you would like to use 
this installation method. The optional ceiling mount is required when 
installing the projector on the ceiling. 
  p.135
CAUTION
 Before setting up the projector, be sure to...

16
Installation
Screen Size and Projection Distance
The distance from the lens to the screen determines the actual image size. 
The recommended distance and projection distance values given below are 
for when the projector is fitted with a Wide Zoom Lens. If the projector has 
been fitted with an optional lens, refer to the documentation provided with 
the lens.
While referring to the following table, position the projector so that the 
images are projected onto the screen at the optimum size. The...

17
Connecting to a ComputerEligible Computers
The projector cannot be connected to some types of computer, or 
projection of images may not be possible even if actual connection is 
possible. Make sure that the computer you intend to use satisfies the 
conditions given below.
 Condition 1: The computer must have an image signal output port.
Check that the computer has a port such as an RGB port, monitor port 
or CRT port which can output image signals.
If the computer has a built-in monitor, or if using...

18
Connecting to a Computer
Projecting Images from the Computer
The shape and specifications of the computers monitor port will determine 
what type of cable should be used. Check the following to see which type 
of port your computer has.
Use the accessory computer cable to make the connections.If the Monitor Port is a Mini D-Sub 15-pin Port (Example)
Computer cable 
(accessory) To monitor port
To [Computer] port (blue)
TIP
 Image sources are auto-detected according to the input signals. 
Depending on...

19
Connecting to a Computer
Use the optional DVI-D
g/DVI-D digital video cable or DVI-D/DFP digital 
video cable to make the connection.
If the Monitor Port is a Digital RGB Port
DVI-D/DVI-D digital video cable or 
DVI-D/DFP digital video cable 
(optional) To monitor port
To [DVI] port
TIP
 Use whichever optional DVI-D/DVI-D digital video cable or DVI-D/
DFP digital video cable matches the monitor port of the computer. 
See Appendices: Optional Accessories and Consumables   p.134
 When connecting more...