HP Ep7120 Home Cinema Digital Projector Users Guide

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8
Reference
This chapter lists the specifications, safety information, and regulatory 
information for the projector. 
Specifications
Because HP continually improves its products, the following specifications are 
subject to change. For the latest specifications, visit the HP website at 
http://www.hp.com.
Projector specifications
Size 386 × 365 × 205 mm (15.2 × 14.4 × 8.1 in.)
Weight 5.7 kg (12.5 lb)
Resolution ep7110 series: SVGA (800 × 600)
ep7120 series: XGA (1024 × 768)
Technology DLP
Video connectors S-video (mini-DIN)
Composite video (RCA)
Component video (3 RCA)
DVI-I (ep7120 series)
Audio connectors Stereo-in (2 RCA)
Other connectors Service port (for service only)
RS-232 control (ep7120 series)
Video compatibility NTSC 3.58 MHz and 4.43 MHz
PAL B, D, G, H, I, M, N
SECAM B, D, G, K, K1, L
HDTV (480i/p, 575i/p, 720p, 1080i)
DVI with HDCP (ep7120 series)
PC video up to SXGA (ep7120 series, by DVI-I connector) 
						

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IR receivers Front and back of projector
Lamp 210-watt lamp
4000-hour average lamp life (to half of original brightness)
Replacement lamp: L1731A
Optics 1 to 10 m (3 to 33 ft) focus range
1.16:1 optical zoom
ep7110 series:
1.7 to 2.0 throw ratio (distance/width)
128% offset (relative to half-height)
ep7120 series:
1.8 to 2.1 throw ratio (distance/width)
125% offset (relative to half-height)
Light engine ep7110 series: 0.55-in. 12° DDR DMD
ep7120 series: 0.7-in. 12° DDR DMD
Audio Monaural speaker, 5-watt peak output
Noise level less than 34 dBA
Vertical tilt ±10°
Vertical keystone 
correction±20%
Power 100 to 240 V at 50 to 60 Hz
EnvironmentOperating:
Temperature: 5 to 35 °C (41 to 95 °F)
Humidity: 80% RH max, non-condensing
Altitude: up to 3,000 m (10,000 ft), up to 25 °C (77 °F)
Storage:
Temperature: –20 to 60 °C (–4 to 140 °F)
Humidity: 80% RH max, non-condensing
Altitude: up to 12,000 m (40,000 ft)
Projector specifications (Continued) 
						

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User’s Guide 73
Video mode compatibility
Compatibility Resolution Refresh rates (Hz)
Analog
VGA 640 x 350 70, 85
640 x 400 85 
640 x 480 60, 66.66, 66.68, 72, 75, 85, 117, 120 
720 x 400 70, 85 
SVGA 800 x 600 56, 60, 72, 75, 85, 95 
832 x 624 74.55
XGA 1024 x 768 60, 70, 75, 85, 95 
1152 x 870 75, 75.06
1280 x 960 75
SXGA 1280 x 1024 60, 75 
SXGA+ 1400 x 1050 60
Digital
VGA 640 x 350 70, 85
640 x 400 85
640 x 480 60, 72, 75, 85
720 x 400 70, 85
SVGA 800 x 600 56, 60, 72, 75, 85
XGA 1024 x 768 60, 70, 75
SXGA 1280 x 1024 60, 75
SXGA+ 1400 x 1050 60 
						

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Safety information
LED safety
The infrared ports located on the digital projector and remote control are 
classified as Class 1 LED devices according to International Standard IEC 825-1 
(EN60825-1). This device is not considered harmful, but the following 
precautions are recommended:
■If the unit requires service, contact an authorized HP service center.
■Do not attempt to make any adjustment to the unit.
■Avoid direct eye exposure to the infrared LED beam. Be aware that the beam 
is invisible light and cannot be seen.
■Do not attempt to view the infrared LED beam with any type of optical 
device.
Mercury safety
Å
WA R N I N G : This digital projector lamp contains a small amount of mercury. If the lamp 
breaks, adequately ventilate the area where the breakage occurred. Disposal of the 
lamp might be regulated due to environmental considerations. For disposal or recycling 
information, contact your local authorities or the Electronic Industries Alliance at 
http://www.eiae.org.
Regulatory information
This section presents information that shows how your digital projector complies 
with regulations in certain regions. Any modifications to your digital projector 
not expressly approved by HP could void the authority to operate the digital 
projector in these regions.
U.S.A.
This digital projector has been tested and found to comply with the limits for a 
Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are 
designed to provide reasonable protection against harmful interference in a 
residential installation.
This digital projector generates, uses, and can radiate radio frequency energy. 
If not installed and used in accordance with the instructions, it can cause harmful 
interference to radio communications. However, there is no guarantee that  
						

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User’s Guide 75
interference will not occur in a particular installation. If this digital projector does 
cause harmful interference to radio or television reception (which can be 
determined by unplugging the unit), try the following:
■Reorienting or relocating the receiving antenna.
■Relocating the digital projector with respect to the receiver.
■Connecting the digital projector’s power cord to another power outlet.
Connections to peripheral devices
To maintain compliance with FCC Rules and Regulations, use properly shielded 
cables with this device.
For more information, consult your dealer, an experienced radio/television 
technician, or, prepared by the Federal Communications Commission, How to 
Identify and Resolve Radio-TV Interference Problems. This booklet is available 
from the U.S. Government Printing Office, Washington, DC 20402, Stock 
Number 004-000-00345-4. At the first printing of this manual, the telephone 
number was 202-512-1800.
Canada
This Class B digital apparatus complies with Canadian ICES-003.
Japan
Korea 
						

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International
For regulatory identification purposes, your product is assigned a regulatory 
model number. The regulatory model number for your product is listed in the 
declaration of conformity. This regulatory number is different from the marketing 
name and product number. 
						

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User’s Guide 77
Declaration of conformity
According to ISO/IEC Guide 22 and EN 45014
Manufacturers name: Hewlett Packard Company
Manufacturers address:Hewlett Packard Company
Digital Projection & Imaging
1000 NE Circle Blvd.
Corvallis, OR 97330-4239
Declares, that the product(s):
Product name: Home Cinema
Model numbers: ep7110/ep7120 series
Regulatory model:CRVSB-04DY
Conforms to the following product specifications:
Safety:IEC 60950:1999/ EN 60950:2000
IEC 60825-1:1993 +A1 / EN 60825-1:1994 +A11 Class 1 LED
GB4943-1995
EMC: EN 55022: 1998  Class B [1]
CISPR 24:1997 / EN 55024:  1998
IEC 61000-3-2:1995 / EN 61000-3-2:2000
IEC 61000-3-3:1994 / EN 61000-3-3:1995+A1:2001
GB9254-1998
FCC Title 47 CFR, Part 15 Class B/ANSI C63.4:1992
AS/NZS 3548:1995 Rules and Regulations of Class B
Supplementary information:
The product herewith complies with the requirements of following Directives and 
carries the CE marking accordingly:
- Low Voltage Directive:  73/23/EEC
- EMC Directive:  89/336/EEC
[1] The product was tested in a typical configuration with Hewlett Packard Personal 
Computer peripherals.
This device complies with Part 15 of the FCC Rules.  Operation is subject to the 
following two conditions:  (1) this device may not cause harmful interference, and (2) 
this device must accept any interference received, including interference that may cause 
undesired operation.
Corvallis, Oregon, July 1, 2004
Steve Brown, General Manager
European Contact for regulatory topics only: Hewlett Packard GmbH, HQ-TRE, Herrenberger 
Straße 140, 71034 Boeblingen, Germany.  (FAX:+49-7031-143143).
USA Contact:  Hewlett Packard Co., Corporate Product Regulations Manager, 3000 Hanover 
Street, Palo Alto, CA 94304.  Phone:  (650) 857-1501. 
						

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Index
A
accessories 14
adjusting
picture
 32, 37
setup
 38
sound
 34, 37
aiming projector
 30
analog video mode compatibility
 
73
audio
adjusting
 34, 37
connecting
 25
ports
 12
troubleshooting
 61
B
buttons
location
 11
opening menu
 38
C
cables
connections
 19
length of
 15
quality of
 15
ceiling installation
 47
cleaning
 7, 43
component-video
connecting source
 20
port
 12composite-video
connecting source
 22
port
 12
computer, connecting
 27
connecting
audio source
 25
component-video source
 20
composite-video source
 22
computer
 27
DVI source
 23
power
 18
quality of picture
 15, 19, 60
SCART source
 24
sound system
 25
S-video source
 21
D
diagnostics 63
DVD player, using external
 35
DVI video
connecting computer
 27
connecting source
 23
port
 12
F
focus 31
H
home theater 15
HP support
 65 
						

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Index
I
image. See picture
L
lamp, replacing 44
language, changing
 38
LED safety
 74
lens
cleaning
 43
lights. See lamp; warning lights
M
menu. See on-screen menu
mercury safety
 74
moving projector
 29
O
on-screen menu
language
 41
listing
 38
using
 38
P
PC, connecting 27
picture
fixing slanted
 34
focus
 31
picture modes
 32
quality of
 15, 19, 60
shape
 33
troubleshooting
 58
zoom
 31
picture modes
 32
power
connecting
 18
turning off
 29
turning on
 28
Q
quality of picture 19, 60
R
regulatory information 74
remote control
buttons
 13
installing batteries
 45
opening menu
 38
troubleshooting
 62
repair service
 67
replacing lamp
 44
room controller
 48
room layout
 15
RS-232
 48
S
safety information 7, 74
SCART
 24
screen
locating
 17
selecting
 15
serial port
 12, 48
service
 67
setting up
 15
sound. See audio
specifications
 71
support
 65
S-video
connecting source
 21
port
 12
T
troubleshooting
audio
 61
interruptions
 62
picture
 58
remote control
 62
start-up
 58
warning lights
 57
turning on and off
 28