Epson Projector Emp 7850 User Manual

130 EMP-7850 User’s Guide
GlossaryFollowing is an explanation of some of the terms used in this guide which may be unfamiliar or which were not explained in the text of this guide itself. 
Further information can be obtained by referring to other commercially-available publications.
3-2 pull-down 
function
This function directly converts image sources that have been recorded in the same 24-frame format used for movies into 60-frame progressive signals. 
This allows data such as DVD software that has been...

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Glossary GlossaryEMP-7850 User’s Guide
EMP Link21L
A utility software program that allows the projector to be connected to a computer so that the computer can be used to control the projector. For details 
on acquiring the software and for instructions on using the software and compatible projector models, please visit the web site 
http://www.epson.co.uk/support/download/projector.htm.
ESSID
ESS is an abbreviation of Extended Service Set. The ESSID is an identification number for connecting with a...

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Glossary GlossaryEMP-7850 User’s Guide
S-Video
A video signal which has the luminance component and colour component separated in order to provide better image quality. 
It refers to images which consist of two independent signals: Y (luminance signal), and C (colour signal).
SXGA
A type of video signal with a resolution of 1280 (horizontal) × 1024 (vertical) dots which is used by IBM PC/AT-compatible computers.
Sync.
(Synchronization)
The signals output from computers have a specific frequency. If...

133 EMP-7850 User’s Guide
List of ESC/VP21 CommandsCommand List
When a power ON command is sent to the projector, the power for the 
projector turns on. When the projector is in a command ready state, it 
returns the 3Ah (:) code.
Furthermore, when command processing is complete, the projector also 
returns a : code.
The : code status can be used to determine whether the projector is ready 
or busy. If command processing terminates with an error, an error message 
is output and then the : code is sent....

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List of ESC/VP21 Commands List of ESC/VP21 CommandsEMP-7850 User’s Guide
Cable Layouts
* The [USB TypeA] port does not have a USB hub function.
Serial connection•Connector shape : D-Sub 9-pin (male)•Projector input 
connector: Control (RS-232C)

 (PC serial cable) 
Signal Function
GND
5
5
GND
GND Signal wire earth
RD
2
3
TD
TD Transmit data
TD
3
2
RD
RD Receive data
DTR
4
6
DSR
DSR Data set ready
DSR
6
4
DTR
DTR Data terminal ready

USB connection•Connector shape : USB(type B)


(Type B)
USB 

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List of ESC/VP21 Commands List of ESC/VP21 CommandsEMP-7850 User’s Guide
USB Connection Setup
In order to control the projector using ESC/VP21 commands via a USB 
connection, the following preparations must be carried out.PROCEDURE
Download the EMP Link21L
 utility software from the 
EPSON website to the computer being used.
For details on acquiring the software, please visit the Web site 
http://www.epson.co.uk/support/download/projector.htm
.
The USB driver (USB-COM Driver) will be downloaded...

136 EMP-7850 User’s Guide
List of Supported Monitor Displays
*1 Connection is not possible if the equipment does not have a VGA 
output port.
*2 The resolution for real display is the virtual (window) display 
resolution.
It may be possible to project signals which are not listed in the above table. 
However, not all functions may be supportable with such signals.Computer/RGB Video
Signal
Refresh rate
 
(Hz)Resolution (dots)
Resolutions for 
resized display
 
(dots)
VGAEGA
640×350
1024×560
VGA...

137 EMP-7850 User’s Guide
Specifications
*1 These values are for when the standard lens is fitted. Refer to the 
documentation supplied with optional lenses for details on those lenses.
*2 The USB connector is not guaranteed to operate correctly with all USB-
compatible devices.
Product name
Multimedia Projector EMP-7850
Dimensions
419 (W) × 117 (H) × 325 (D) mm 
(16.5 (W) × 4.6 (H) × 12.8 (D) in.) 
(not including feet)
Panel size
1.0 inches
Display method
Polysilicon TFT
Resolution
XGA
 786,432 pixels...

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Specifications SpecificationsEMP-7850 User’s Guide
Safety
USA
UL1950 3
rd Edition
Canada
CSA C22.2 No.950-95 (cUL)
European Community
The Low Voltage Directive (73/23/EEC)
IEC60950 2nd Edition, +Amd.1, +Amd.2, +Amd.3, +Amd.4
EMC
USA
FCC 47CFR Part15B Class B (DoC)
Canada
ICES-003 Class B
European Community
The EMC Directive (89/336/EEC)
EN55022, 1998 Class B
EN55024, 1998
IEC61000-4-2, IEC61000-4-3, IEC61000-4-4, IEC61000-4-5,
IEC61000-4-6, IEC61000-4-8, IEC61000-4-11,
IEC61000-3-2, IEC61000-3-3...

139 EMP-7850 User’s Guide
Appearance
Units: mm 4-M4 × 10 Centre of lens
63.5*
10180
129
*Distance from centre of lens to suspension bracket fixing point422 117
325
6510
138
151 322
80