Epson Projector Emp 7850 User Manual

10
Part Names and FunctionsEMP-7850 User’s Guide
Input/Output Ports
•[USB TypeB] port   p.24, p.134When the projector is connected to a computer 
with a computer cable, use this port to connect a 
USB cable to the computer to use the wireless 
mouse function.
•[Video] port   p.27Inputs composite video
 signals 
from a video source.
•[Audio] ports 
(for [Video] port)   p.31Input audio signals from the source 
that is connected to the [Video] port.
•[Audio Out] port   p.32Outputs the audio signals from the...

11 EMP-7850 User’s Guide
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...

12
Before Using the Remote ControlEMP-7850 User’s Guide
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 Control12Remote control 
light-receiving 
area (front)Remote control 
light-receiving 
area (rear)
Remote control...

13
Before Using the Remote ControlEMP-7850 User’s Guide
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°...

14 EMP-7850 User’s Guide
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.129
CAUTION
Before setting up the...

15
InstallationEMP-7850 User’s Guide
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 standard 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...

16 EMP-7850 User’s Guide
Inserting and Removing CardsInserting and removing PC cards will be explained using the included wireless 
LAN card provided as an example. When using other cards, or inserting or 
removing a card in a PC card slot on a computer, refer to the documentation 
included with the card.Installation
PROCEDURE
Hold the wireless LAN card with the face outward and insert 
it into the projector card slot. Insert firmly into the slot until it is secure. Once the wireless LAN card has 
been...

17
Inserting and Removing CardsEMP-7850 User’s Guide
Removal
PROCEDURE
Press the eject button above the card slot. 
The eject button will pop out. 
Press the eject button again. 
Enough of the wireless LAN card will be ejected so that you 
can grasp the edge of the card and pull it straight out of the slot.
CAUTION
 Do not remove a PC card when the access lamp is lit green, when 
connected to a network or when projecting a scenario. Improperly 
removing a PC card may result in damage to the card or data...

18 EMP-7850 User’s Guide
Connecting to a ComputerEligible Computers
The method for connecting the projector to a computer using a cable is 
explained here. Refer to the EasyMP Setup Guide when connecting to a 
computer via a network.
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...

19
Connecting to a ComputerEMP-7850 User’s Guide
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
Computer cable 
(accessory) To monitor port
To [Computer] port (blue)
TIP
  After projection starts, change the Computer Input setting in the...