Epson Powerlite Cinema 550 Home Theater Projector Users Guide

Problem Solving61
Where To Get Help
Epson provides technical assistance 24 hours a day at http://support.epson.com. Here you 
can access troubleshooting information, download product documentation, and receive 
technical advice through e-mail.
To use the Epson PrivateLine Support service, call (800) 637-7661 and enter the PIN on the 
Epson PrivateLine Support card that came with your projector. This is the fastest way of 
speaking to a live representative, and it’s free. This service is available 6
AM to...

62Problem Solving 

Specifications63
Specifications
General 
Type of display Poly-silicon TFT active matrix
Size of LCD panels 0.7 inch (18 mm) wide
Lens F=2.1 to 2.8, f=21.4 to 31.7 mm
Resolution 
(native format) 1280 × 720 pixels, 720p
Brightness 1400 ANSI lumens maximum 
Dynamic contrast ratio 3000:1 
Image size 30 to 300 inches 
Projection distance 2.9 to 44.8 feet (0.88 to 13.65 m) at 16:9
3.5 to 54.8 feet (1.07 to 16.71 m) at 4:3
Zoom ratio 1:1.5
Aspect ratio 16:9 or 4:3
Noise level 32 dB (Dynamic color mode) 
26 dB...

64Specifications
Dimensions
Height 4.9 inches (124 mm); not including adjustable feet 
Width 16 inches (406 mm)
Depth 12.2 inches (309 mm) 
Weight 11.5 lb. (5.2 kg) 
Electrical
Rated frequency 50/60 Hz AC
Power supply 100 to 120 VAC, 2.7 A
200 to 240 VAC, 1.2 A
Power consumption Operating: 245 W (100 to 120V), 240 W (200 to 240 V)
Standby: 4 W (100 to 120V), 5 W (200 to 240 V)
Environmental
Temperature Operating: 41 to 95 °F (5 to 35 °C)
Storage: 14 to 140 °F (–10 to 60 °C)
Humidity Operating: 20 to 80%...

Specifications65
Compatible Video Formats
The projector supports analog video in NTSC, PAL, and SECAM formats, and it 
automatically adjusts to the incoming signal. It can receive these formats as composite video, 
S-video, or component video—which it accepts through the Video, S-Video, and Input A 
ports, respectively.
The projector also supports digital video (SDTV, HDTV) and various monitor display 
formats. Digital video is accepted by the HDMI port and the Input A port (in component 
video format)....

66Specifications
Analog RGB
* HDMI input signalsSignal 
(4:3)Aspect setting
Normal Zoom Wide Squeeze ThroughSqueeze 
Through
VGA* 960 × 720 1280 × 720 1280 × 720 1280 × 720 640 × 480 853 × 480
VESA 960 × 720 1280 × 720 1280 × 720 1280 × 720 640 × 480 853 × 480
SVGA 960 × 720 1280 × 720 1280 × 720 1280 × 720 800 × 600 1066 × 600
XGA 960 × 720 1280 × 720 1280 × 720 1280 × 720 — —
SXGA 960 × 720 1280 × 720 1280 × 720 1280 × 720 — —
WXGA  1280 × 720 1280 × 720 — 1280 × 720 — —
MAC13”
MAC16”
MAC19”960 × 720...

Specifications67
ESC/VP21 Command Codes
You can use an AV controller with a 9-pin null modem serial cable to control the projector. 
You can download the complete ESC/VP 21 Communication Manual for home theater 
projectors from the Epson website at http://support.epson.com. Following are some of the 
available codes:
Item Command
Power ON/OFF ON PWR ON
OFF PWR OFF
A/V Mute ON/OFF ON MUTE ON
OFF MUTE OFF
A/V Mute selection Black MSEL 00
Blue MSEL 01
User’s Logo MSEL 02
Source 
changeTerminal Signal name...

68Specifications
Color Mode sRGB CMODE 01
Theatre CMODE 05
Living Room CMODE 06
Natural CMODE 07
Dynamic CMODE 08
Theatre Black 1 CMODE 09
Theatre Black 2 CMODE 0A
Aspect ratio Auto ASPECT 00
Normal ASPECT 20
Squeeze ASPECT 21
Zoom ASPECT 22
Through ASPECT 23
Squeeze Through ASPECT 24
Wide ASPECT 25 Item Command 

Notices69
Notices
Important Safety Information
Follow these safety instructions when setting up and using the projector:
■Never look into the projector lens when the lamp is turned on; the bright light can 
damage your eyes. Never let children look into the lens when it is on.
■Never open any cover on the projector, except the lamp and filter covers. Dangerous 
electrical voltages inside the projector can severely injure you.
■Except as specifically explained in this User’s Guide, do not attempt to...

70Notices
■Don’t place the projector where the cord can be walked on. This may result in fraying or 
damage to the plug.
■Unplug the projector from the wall outlet before cleaning. Use a damp cloth for cleaning. 
Do not use liquid or aerosol cleaners.
■ The lamp(s) in this product contain mercury. Please consult your state and local 
regulations regarding disposal or recycling. Do not put in the trash.
■Allow the lamp to cool for one hour before replacing it.
■Unplug the projector during lightning storms...