Epson Projector Emp 52 User Manual

79
Procedure
1Turn off the projector power, wait 
for the cool-down
 period to end, 
and then disconnect the power 
cable.
The cool-down period lasts for about 20 
seconds. The actual time will vary 
depending on the external air  
temperature.
2Put your finger into the recess, and 
pull straight out to remove the air 
filter.
3Install the new air filter.
Slide the cover in from the outside, and 
then push it in until it clicks into place.
Tip :
Dispose of used air filters properly in accordance 
with...

80
Optional Accessories
The following optional accessories are available for purchase if required. This 
list of optional accessories is current as of October 2002. Details of accessories 
are subject to change without notice.
* A special method of installation is required in order to suspend the projector 
from the ceiling. Please contact the place of purchase if you would like to use 
this installation method.
Soft carry case ELPKS16
Use this case if you need to carry the projector by hand.
Spare lamp...

81
Glossary
Following 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.
Aspect ratioThe ratio between an images length and its height. HDTV images have 
an aspect ratio of 16:9 and appear elongated. The aspect ratio for 
standard images is 4:3.
Colour 
temperatureThe temperature of an object which is emitting light....

82 Interlaced 
scanningA method of image scanning whereby the image data is divided into 
fine horizontal lines which are displayed in sequence starting from left 
to right and then from the top to the bottom of the screen. The even-
numbered lines and odd-numbered lines are displayed alternately.
Progressive 
scanningA method of image scanning whereby the image data from a single 
image is scanned sequentially from top to bottom to create a single 
image.
Refresh rateThe light-emitting element of a...

83 VGAA type of video signal with a resolution of 640 (horizontal) x 480 
(vertical) dots which is used by IBM PC/AT-compatible computers.
XGAA type of video signal with a resolution of 1024 (horizontal) x 768 
(vertical) dots which is used by IBM PC/AT-compatible computers.
YCbCrThe carrier signal which is contained in the colour bar signal used in 
modern TV transmissions. The name comes from the Y (luminance) 
signal and the CbCr (chroma (colour)) signals.
YPbPrThe carrier signal which is contained in...

84
List of ESC/VP21 Commands
Command 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.
Communication Protocol...

85
Cable Layouts
 Connector shape : D-Sub 9 pin (male)
 Projector input connector : Control (RS-232C)

 (PC serial cable) 
Signal Function
GND55GNDGND Signal wire ground
RD23TDTD Transmit data
TD32RDRD Receive data
DTR46DSRDSR Data set ready
DSR54DTRDTR Data terminal 
ready
List of ESC/VP21 Commands 

86
List of Supported Monitor Displays
* Connection is not possible if the equipment does not have a VGA output port.
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
SignalRefresh rate (Hz)Resolution 
(dots)Resolutions 
for resized 
display (dots)
PC98 640
×400 800×500
EGA 640
×350 800×438
VGA
60 640×480 800×600
VGACGA 640×
400 800×
500
VGAEGA 640×
350 800×
438
VGA text720×
400 800×
444
720×
350 800×...

87
Component Video Input/RGB Video Input
SignalRefresh rate (Hz)
Aspect ratio 
4:3 Resolutions
(dots)Aspect ratio 
16:9
Resolutions
(dots)
SDTV
(525i)
(D1)60 800×
600 800×
450
SDTV (625i) 50 800×
600 800×
450
SDTV (525p)
(D2)800×
600 800×
450
HDTV
(750p) 
16:9 (D4)800×
600 800×
450
HDTV (1125i) 
16:9 (D3)800×
600 800×
450
Composite Video/S-Video Input
SignalRefresh rate (Hz)
Aspect ratio 
4:3 Resolutions
(dots)Aspect ratio 
16:9 
Resolutions
(dots)
TV (NTSC) 800×
600 800×
450
TV (PAL, 
SECAM)800×
600...

88
Specifications
Product nameMultimedia Projector EMP-52
Dimensions309 (W) x 93 (H) x 219 (D) mm 
(12.2 (W) x 3.8 (H) x 8.6 (D) in.) (not including feet and lens)
Panel size0.5 in.
Display methodPolysilicon TFT active matrix
Drive methodFull-line 6-phase block sequential writing
ResolutionSVGA
 480,000 pixels (800 (W) x 600 (H) dots) x 3
Focus adjustmentManual
Zoom adjustmentElectronic (approx. 1 : 1.2)
Lamp 
(light source)UHE lamp, 130 W, Model No.: ELPLP19D
Max. audio output1W monaural
Speaker1
Power...