Benq PB8250 Manuale Utente Pagina 1

WelcomePB8250 Digital ProjectorInstallation SeriesUser’s Manual

Introduction4IntroductionProjector FeaturesThe projector integrates high-performance optical engine projection and a user-friendly design to deliver h

Introduction 5Shipping ContentsThe projector is shipped with the cables required for connection to a PC and to video equip-ment. Carefully unpack and

Introduction6Optional AccessoriesProjector Exterior ViewFront / Upper ViewBack ViewBottom View1. Macintosh adapter2. 250W lamp module3. Ceiling mount

Introduction 7Connector PanelRGB signal input(PC/ YPbPr/ YCbCr)USB connectorRGB signal outputS-Video jackAudio/ Video connectorPC Audio jackDVI-I conn

Introduction8Controls and FunctionsExternal Control Panel123984111057612131. Power (Refer to pages 17 for morfor more information.)Turns the projector

Introduction 9Remote Control Description Front View Notes on Remote Control OperationMake sure that there are no obstacles between the remote control

Introduction10Remote Control Effective RangeInfra Red (IR) remote control sensors are located on the front and the back of the projector. The remote c

Introduction 11Installing or Replacing the BatteriesAvoid excessive heat and humidity. There may be danger of an explosion if the batteries areincorre

Setting Up Your Projector12Setting Up Your ProjectorChoosing a LocationYour projector is designed to be installed in the four installation configurati

Setting Up Your Projector 13Connecting to a Laptop or Desktop Computer A Mac adapter (an optional accessory) may be necessary needed if you are connec

CopyrightCopyright 2004 by BENQ Corporation. All rights reserved. No part of this publication may be repro-duced, transmitted, transcribed, stored in

Setting Up Your Projector14Connecting to Video or S-Video Devices If the selected video image is not displayed after the projector is turned on an

Setting Up Your Projector 15Adjusting the HeightThe projector is equipped with 2 quick-release adjuster feet.1. Lift the projector up and press the ad

Setting Up Your Projector16 There is 3% ~ 5% tolerance among these numbers due to optical component variations.* 1m = 3.28 feet, 1 feet = 0.305m, 1m

Operation 17OperationStart Up1. Switch all of the connected equipment on.2. Plug the power cord into the projector and into a wall socket.3. Turn on t

Operation18continuously: “AAnalog RGB Searching”, “ D VDVI-A Searching”, “DVIDVI-D Searching”, “ A nAna-log YPlog YPbPr Searching”, “S-VS-Video Se

Operation 19Digital Keystone CorrectionKeystoning refers to the situation where the projected image is noticeably wider at either the top or bottom. I

Operation20Source SelectionTo sequentially select input sources, press Source on the projector control panel or the remote control. It may take you a

Operation 21BlankIn order to draw the audience’s full atten-tion to the presenter, you can use BlaBlank to hide the screen image. Press BlBlank again

Operation22Mouse Function OperationConnect the projector to your PC or notebook with a USB cable prior to using these functions. The MoMouse Pad can t

Operation 23FreezeThe image is frozen when FrFreeze is pressed. An icon will appear in the lower right corner of the screen. To release the function

Table of Contents iiiTable of ContentsImportant Safety Instructions ... 1Introduction ...

Operation24Menu OperationMenu SystemPlease note that the OSD menus vary according to the signal type selected. Functions available when receiving diff

Operation 25Using the menusThe projector is equipped with on-screen display (OSD) menus for making various adjust-ments and settings.There are 10 diff

Operation261. Display MenuAnalog RGB/ DVI/ YPbPr (480p, 576p, 720p, 1080i) signal input YCbCr (480i, 576i)/ S-Video/ Video signal inputFUNCTION DESCRI

Operation 272. Image MenuAnalog RGB/ DVI signal input*About color temperatures:There are many different shades that are considered to be “white” for v

Operation28YCbCr (480i, 576i)/ S-Video/ Video signal inputFUNCTION DESCRIPTIONRatioAs above.SystemShows the Video input system format,1.NTSC 2. PAL

Operation 293. Source Menu FUNCTION DESCRIPTIONMirrorThe projector can be installed on a ceiling or behind a screen, or with one or more mirrors. Con

Operation30BassAdjusts the bass level. (-5 ~ 5) MuteOffOffOnOn

Operation 314. Control MenuFUNCTION DESCRIPTIONLanguageLanguage sets the language for the OSD control menus.Use the  /  key to select the desired la

Operation32Preset ModePreset modes are provided so you can optimize your projector image set-up to suit your program type.PC/ DVI Signal input1. PPres

Operation 335. PIP (Picture In Picture) MenuYour projector is capable of displaying images simultaneously from two input sources, which enhances your

Table of ContentsivLaser Pointer Operation ...21Mouse Function Operation ...

Maintenance34MaintenanceYour projector needs little maintenance. Things you have to do on a regular basis are keep the lens clean and clean the air fi

Maintenance 354. Use a small vacuum cleaner designed for computers and other office equipment to clean the filters. Or use a soft brush (such as a cle

Maintenance36Lamp InformationUse and Replacement of the LampWhen the Lamp ILamp Indicator lights up red or a message appears suggesting it is time to

Maintenance 37To reduce the risk of severe burns, allow the projector to cool for at least 45 minutes beforereplacing the lamp.To reduce the risk of i

Maintenance38Step 6. Re-install the lamp cover and tighten the screw. DDo not turn the power on with the lamp cmp cover remomoved. Whenever the lamp i

Maintenance 39LED Status & DescriptionPower Temp LampPower eventsThe projector has just been connected to a power outlet.--Stand-by mode.--(1) The

Maintenance40The projector has shutdown automatically. If you try to re-start the projector, it will shutdown again. Please contact your dealer for as

Maintenance 41Service InformationAccessories (included in the standard package) Optional Accessories (not included in the standard package) Ordering

Troubleshooting42TroubleshootingCommon Problems & SolutionsTHE PROJECTOR DOES NOT TURN ON.NO PICTURE BLURRED IMAGEREMOTE CONTROL DOES NOT WORK

Specifications 43SpecificationsProjector Specifications Technical SpecificationsAll specifications are subject to change without notice. GeneralProduc

Table of Contents vSupported timing for PC (including DVI-I) input ...44Supported timing for YPbPr input ...

Specifications44Timing ChartSupported timing for PC (including DVI-I) inputSupported timing for YPbPr inputSupported timing for Video and S-Video inpu

Dimensions 45DimensionsUnit: mm

Warranty46WarrantyLimited WarrantyBENQ warrants this product against any defects in material and workmanship, under normal usage and storage. Exclusio

Regulation Statements 47Regulation StatementsFCC StatementCLASS B: This equipment generates, uses and can radiate radio frequency energy and, if not i

Table of Contentsvi

Important Safety Instructions 1Important Safety InstructionsYour BenQ projector is designed and tested to meet the latest standards for safety of info

Important Safety Instructions2 Safety Instructions1. The lamp becomes extremely hot during operation. Allow the projec-tor to cool for approximately

Important Safety Instructions 3 Safety Instructions (Continued)7. Do not block the ventilation holes. - Do not place this unit on a blanket, bed