BenQ PB8250 - XGA DLP Projector User manual

Welcome
PB8250 Digital Projector
Installation Series
User’s Manual

Copyrig t
Copyrig t 2004 by BENQ Corporation. All rig ts reserved. No part of t is publication may be repro-
duced, transmitted, transcribed, stored in a retrieval system or translated into any language or com-
puter language, in any form or by any means, electronic, mec anical, magnetic, optical, c emical,
manual or ot erwise, wit out t e prior written permission of t is company.
Disclaimer
BENQ Corporation makes no representations or warranties, eit er expressed or implied, wit respect
to t e contents ereof and specifically disclaims any warranties, merc antability or fitness for any
particular purpose. Furt er, BENQ Corporation reserves t e rig t to revise t is publication and to
make c anges from time to time in t e contents ereof wit out obligation of t is company to notify
any person of suc revision or c anges.
*DLP, Digital Micromirror Device and DMD are trademarks of Texas Instruments. Ot ers are copy-
rig ts of t eir respective companies or organizations.

Table of Contents iii
Table of Contents
Important Safety Instructions ............................... 1
Introduction ........................................................... 4
Projector Features .........................................................................4
S ipping Contents .........................................................................5
Optional Accessories ......................................................................................6
Projector Exterior View ................................................................6
Front / Upper View ........................................................................................6
Back View ........................................................................................................6
Bottom View ...................................................................................................6
Connector Panel .............................................................................................7
Controls and Functions ................................................................8
External Control Panel ...................................................................................8
Remote Control Description .........................................................................9
Remote Control Effective Range .................................................................10
Installing or Replacing t e Batteries ............................................................11
Setting Up Your Projector ................................... 12
C oosing a Location ...................................................................12
Making Connections ...................................................................12
Connecting to a Laptop or Desktop Computer ..........................................13
Connecting Equipment to t e Component Video Input ...........................13
Connecting to Video or S-Video Devices ...................................................14
Connecting to Display Devices ....................................................................14
Adjusting t e Heig t ...................................................................15
Screen Size ...................................................................................15
Operation ............................................................. 17
Start Up ........................................................................................17
S utdown .....................................................................................18
Digital Keystone Correction .......................................................19
Source Selection ..........................................................................20
Auto Adjustment .........................................................................20
Blank ............................................................................................21
Zoom / Focusing .........................................................................21

Table of Contentsiv
Laser Pointer Operation .............................................................21
Mouse Function Operation ........................................................22
Zoom In + / Zoom Out - ............................................................22
Volume Adjustment ................................................................... 22
PIP (Picture In Picture) Operation ............................................22
Freeze ...........................................................................................23
Preset Mode Selection ................................................................. 23
Menu Operation ......................................................................... 24
Menu System ................................................................................................ 24
Using t e menus .......................................................................................... 25
1. Display Menu ........................................................................................... 26
2. Image Menu ............................................................................................. 27
3. Source Menu ........................................................................................... 29
4. Control Menu .......................................................................................... 31
5. PIP (Picture In Picture) Menu ................................................................ 33
Maintenance ......................................................... 34
Cleaning t e lens .......................................................................................... 34
Cleaning t e projector case ......................................................................... 34
Cleaning and replacing t e air filters .......................................................... 34
Storing t e projector .................................................................................... 35
Transporting t e projector .......................................................................... 35
Lamp Information ......................................................................36
Use and Replacement of t e Lamp ............................................................. 36
Lamp Replacement ...................................................................................... 36
Temp Information ....................................................................................... 38
Indicators ..................................................................................................... 38
Service Information .................................................................... 41
Accessories (included in t e standard package) ......................................... 41
Optional Accessories (not included in t e standard package) .................. 41
Ordering Parts or Getting Information ...................................................... 41
Troubles ooting................................................... 42
Common Problems & Solutions ................................................ 42
Specifications........................................................ 43
Projector Specifications .............................................................. 43
Tec nical Specifications .............................................................................. 43
Timing C art ...............................................................................44

Table of Contents v
Supported timing for PC (including DVI-I) input ....................................44
Supported timing for YPbPr input ..............................................................44
Supported timing for Video and S-Video inputs .......................................44
Dimensions........................................................... 45
Warranty............................................................... 46
Limited Warranty ........................................................................46
Regulation Statements ......................................... 47
FCC Statement ............................................................................47
EEC Statement .............................................................................47
MIC Statement ............................................................................47

Table of Contentsvi

Important Safety Instructions 1
Important Safety Instructions
Your BenQ projector is designed and tested to meet t e latest standards for safety of infor-
mation tec nology equipment. However, to ensure safe use of t is product, it is important
t at you follow t e instructions mentioned in t is manual and marked on t e product.
Caution
•T
T
o prevent s ock, do not open t e
cabinet. T ere are no user-serviceable
parts inside.
•P
P
lease read t is user’s man
man
ual before
you operate your projector. Save t is
user’s manual for future reference.
•D
D
o not look straig t at t e projector
lens during operation. T e intense
lig t beam may damage your eyes.
•R
R
efer servicing to qualified service
personnel.
• Alwa
Alwa
ys open t e lens s utter or
remo
mo
ve t e lens cap w en t e
projector lamp is on.
lamp is on.
• In some countries, t e line voltage is
NOT stable. T is projector is designed
to operate safely wit in a mains
voltage of 100 to 240 volts, but could
fail if power cuts or surges of ±10 volts
occur. I
I
n areas w ere t e mains
voltage ma
e ma
y fluctuate or cut out, it is
recommended t at you connect your
projector t roug a power stabilizer,
surge protector or uninterruptible
power
wer
supply (UPS).

Important Safety Instructions2
Safety Instructions
1. T e lamp becomes extremely ot
during operation. Allow t e projec-
tor to cool for approximately 45
minutes prior to removing t e lamp
assembly for replacement.
2. Do not operate lamps beyond t e
rated lamp life. Excessive operation
of lamps beyond t e rated life could
cause t em to explode on rare occa-
sions.
3. Never replace t e lamp assembly or
any electronic components unless
t e projector is unplugged.
4. Do not place t is product on an
unstable cart, stand, or table. T e
product may fall, sustaining serious
damage.
5. To reduce t e risk of electric s ock,
do not disassemble t is appliance.
Take it to a qualified tec nician
w en service or repair is required.
Incorrect reassembly can cause
cause malfunction of t e projector
or electric s ock w en t e appliance
is subsequently used.
6. T is product is capable of displaying
inverted images for ceiling mount
installation. Please use BenQ’s Ceil-
ing Mounting Kit for mounting t e
unit and ensure it is securely
installed.

Important Safety Instructions 3
Safety Instructions (Continued)
7. Do not block t e ventilation oles.
- Do not place t is unit on a blanket,
bedding or any ot er soft surface.
- Do not cover t is unit wit a clot or any
ot er item.
- Do not place inflammables near t e
projector.
If t e ventilation oles are seriously
obstructed, over eating inside t e unit
may result in a fire.
8. Do not place t is unit in any of t e
following environments.
- Space t at is poorly ventilated or
confined. Allow at least 50 cm clearance
from walls and free flow of air around
t e projector.
- Locations w ere temperatures may
become excessively ig , suc as t e
inside of a car wit all windows rolled
up.
- Locations w ere excessive umidity,
dust, or cigarette smoke may
contaminate optical components,
s ortening t e projector’s life span and
darkening t e image.
- Locations near fire alarms
- Locations wit an ambient temperature
above 35°C / 95°F
9. Always place t e unit on a level, ori-
zontal surface during operation.
- Do not use if tilted at an angle of more
t an 10 degrees left to rig t, nor at angle
of more t an 15 degrees front to back.
Using t e unit w en it is not fully
orizontal may cause a malfunction of,
or damage to, t e lamp.
10. Do not stand t e unit on end verti-
cally.
Doing so may cause t e unit to fall over,
causing injury or resulting in damage to
t e unit.
11. Do not step on t is unit or place any
objects upon it.
Besides probable p ysical damage to t e
unit, doing so may result in accidents
and possible injury.

Introduction4
Introduction
Projector Features
T e projector integrates ig -performance optical engine projection and a user-friendly
design to deliver ig reliability and ease of use.
T e projector offers t e following features:
• Full-function remote control wit laser pointer/ remote mouse function
• Hig quality manual zoom lens
• One-key auto-adjustment to display t e best picture quality
• Digital keystone correction to correct distorted images
• Adjustable color balance control for data/video display
• Ultra- ig brig tness projection lamp
• Ability to display 16.7 million colors
• On-screen menus in 10 languages: Englis , Frenc , German, Italian, Spanis , Russian,
Traditional C inese, Simplified C inese, Japanese and Korean.
• Switc able Normal/ Economic mode to reduce t e power consumption
• Powerful AV function to provide ig quality AV picture
• HDTV compatibility (YPbPr)
• Two PC input terminals and one PC output terminal
• Replaceable air filter
Note: The brightness of the projected image will vary depending on the ambient lighting con
ditions and contrast/brightness settings.

Introduction 5
S ipping Contents
T e projector is s ipped wit t e cables required for connection to a PC and to video equip-
ment. Carefully unpack and verify t at you ave all of t e items s own below. If any of t ese
items are missing, please contact your place of purc ase.
Projector Soft Carry Case User’s Manual
Batteries 3-2 Power Converter User’s Manual CD Quick Start Guide Warranty Booklet
Remote Control S-Video Cable Video Cable VGA Cable Audio Cables
US EU UK
USB Cable D-Sub - DVI-I Cable Power Cord 110V Power Cord 220V Power Cord 240V
Component Video Cable
PB8250
Digital Projector
installation Series
User's Maunal
P
/
N
:
5
3
.
J
9
4
0
1
.
0
0
1

Introduction6
Optional Accessories
Projector Exterior View
Front / Upper View
Back View
Bottom View
1. Macintos adapter
2. 250W lamp module
3. Ceiling mount kit
4. Wireless Pro
5. Presentation Pro
6. DVI-I cable
External control panel
(See page 8 for detailed
information.)
Kensington lock slot
Front adjuster button
Projection lens adjuster
Projection lens
Front adjuster button
A power inlet
Main power switch Front IR remote sensor
Air filter grill
(See page 34 for detailed information.)
Rear adjuster
onnector panel
(See page 7 for more
information.)
Ventilation grill
Back IR remote sensor
Lamp door
Rear adjuster
Rear adjuster
Front adjuster
Front adjuster

Introduction 7
Connector Panel
RGB signal input
(PC/ YPbPr/ YCbCr)
USB connector
RGB signal output
S-Video jack
Audio/ Video
connector P Audio jack
DVI-I connector
RS 232 control port
For external control
systems and used by
service personnel.

Introduction8
Controls and Functions
External Control Panel
1
2
3
9
8
4
11
10
5
7
6
12
13
1. Power (Refer to pages 17 for mor
for mor
e
information.)
Turns t e projector on or off.
2. Source (Refer to page 20 for mo
mo
re
information.)
Sequentially selects t e input signal
RGB, DVI, YPbPr, S-Video or Video.
3.  Left
4. Rig t 
W en t e on-screen menu is not
activated, #3 and #4 function as
Ke
Ke
ystone -/+
-/+
ot keys.
Refer to page 19 for mor
mor
e information.
5. Exit
Exits and saves t e menu settings.
6. Me
Me
nu
Turns t e on-screen display control
menu on.
W en t e on-screen menu is activated,
t e #3 to #6 buttons are used as
directional arrows to select t e desired
menu items and to make adjustments.
Refer to page 25 for mor
mor
e information.
7. Auto (Refer to page 20 for more infor-
matio
matio
n.)
Automatically determines t e best
picture timings for t e displayed
image.
8. Blank (Refer to page 21 for more infor-
ma
ma
tion.)
Used to ide t e screen image. You can
press Bl
Bl
ank again or Re
Re
turn to bring
t e image back.
9. Power indicator lig t
Lig ts up or flas es w en t e projector
is under operation.
10. Temperature warning lig t (Refer to
page 38 for mor
mor
e information.)
Flas es red if t e projector’s
temperature becomes too ig .
11. Lamp indicator lig t (Refer to page 36
for more information.)
Indicates t e status of t e lamp. Lig ts
up or flas es w en t e lamp as
developed a problem.
12. Zoom r
om r
ing
Adjusts t e size of t e image.
Rotate clockwise to enlarge t e image
or rotate counter-clockwise to make
t e image smaller.
13. Focus ring
Adjusts t e focus of t e projected
image.

Introduction
Remote Control Description
Front View
Notes on Remote Control Operation
Make sure that there are no obstacles between the remote control and the IR sensors on the
projector that might obstruct the infra red beam.
Down/ Menu (25)
 Left/ Keystone -
 Right/ Keystone + (19)
Auto (20)
L- lick/ R-click (22)
Z
oom in +/ Zoom out - (22)
Return (22, 23)
PIP Size (22)
Freeze (23)
LED (21)
Laser Pointer (21
)
Source (20)
Blank (21)
Mouse Pad (22)
Drag (22)
Volume +/- (22)
Mute (22)
Preset (32)
PIP Position (22)
PIP Source (22)
Power (17, 18)
Exit (25)

Introduction10
Remote Control Effective Range
Infra Red (IR) remote control sensors are located on t e front and t e back of t e projector.
T e remote control must be eld at an angle wit in 30 degrees of t e projector’s IR remote
control sensors to function correctly. T e distance between t e remote control and t e sen-
sors s ould not exceed 6 meters (19.5 feet).
Warning Messages on t e Back of t e Remote Control
The laser beam is visible. It
is necessary to depress
the Laser button for contin
uous output.
The laser pointer is not a
toy. Parents should treat
them with the appropriate
care. This is a useful tool
for adults that should be
used by children only with
adequate supervision.
6m
ATTENTION
LASER DIODE
ACHTUNG

Introduction 11
Installing or Replacing t e Batteries
Avoid excessive heat and humidity. There may be danger of an explosion if the batteries are
incorrectly replaced. Replace only with the same or equivalent type recommended by the
manufacturer. Dispose of the used batteries according to the manufacturer’s instructions.
Pus and open t e
battery compartment
lid in t e direction
s own.
1Install batteries as
indicated by t e
diagram inside t e
compartment.
2Position t e lid over
t e compartment
and snap it back
into place.
3

Setting Up Your Projector12
Setting Up Your Projector
C oosing a Location
Your projector is designed to be installed in t e four installation configurations s own ere:
Floor front, Ceiling front, Floor rear, Ceiling rear. Your room layout or personal preference
will dictate w ic installation configuration you use.
For furt er information on t e four configurations, please refer to page 29.
If you place t e projector above or below t e screen, you ave to tile it down or up to center
t e image on t e screen, in t ese situations image distortion will occur. Use t e Keystone
function to correct t e distortion. See page 19 for keystone correction.
Making Connections
W en connecting a signal source to t e projector, be sure to:
1. Turn all equipment off before making any connections.
2. Use t e correct signal cables for eac source.
3. Ensure t e cables are firmly inserted.
I. Floor front II. Ceiling front
III. Floor rear IV. Ceiling rear

Setting Up Your Projector 13
Connecting to a Laptop or Desktop Computer
A Mac adapter (an optional accessory) may be necessary needed if you are connecting to an
older Macintosh computers.
The USB cable is required if you intend using mouse functions on the remote control.
Connecting Equipment to t e Component Video Input
T e projector is capable of displaying various Hig Definition TV display modes. Some of
t ese sources are:
Most of t ese sources will provide an analog component video output, a standard VGA out-
put, or a YPbPr (default) format.
T e projector is capable of accepting HDTV data t roug a Component Video connector.
Use a Component Video cable t at came wit your projector to display t ese images.
T e following standards are supported in t e HDTV function:
RGB VGA cable
To RGB input
USB cable
USB
PC audio
RGB
To RGB
input USB PC
audio
VGA cable
Audio cable
• Digital-VHS (D-VHS) player • DVD player
•Satellite Dis HDTV receiver •Digital TV tuners
• 480i • 480p
• 576i • 576p
• 720p (50/ 60 Hz) • 1080i (50/ 60 Hz)
AV equipment
YPbPr
Component Video cable
RGB

Setting Up Your Projector14
Connecting to Video or S-Video Devices
If the selected video image is not displayed after the projector is turned on and the correct
video source has been selected, check that the video source is turned on and operating cor
rectly. Also check that the signal cables have been connected correctly.
Connecting to Display Devices
If you want to monitor your presentation close-up on a monitor as well as on t e screen, you
can connect t e RGB signal output port on t e projector to an external monitor wit a VGA
cable or D-Sub - DVI-I cable.
S-Video devices
S Video
S-Video cable
Video devices or VCR
Video cable
Audio cable
VGA cable or D-Sub -
DVI-I cable