BenQ PB8250 - Manual

Introduction 6 Shipping Contents The projector is shipped with the cables required for connection to a PC and to video equip-ment. Carefully unpack and verify that you have all of the items shown below. If any of these items are missing, please contact your place of purchase. Projector Soft Carry Ca...

Introduction 7 Optional Accessories Projector Exterior View Front / Upper View Back View Bottom View 1. Macintosh adapter 2. 250W / 300W lamp module 3. Ceiling mount kit 4. Wireless Pro 5. Presentation Pro 6. DVI-I cable External control panel (See page 9 for detailed information.) Kensington lock s...

Introduction 8 Connector Panel RGB signal input (PC/ YPbPr/ YCbCr) USB connector RGB signal output S-Video jack Audio/ Video connector PC Audio jack DVI-I connector RS 232 control port For external control systems and used by service personnel.

Introduction 9 Controls and Functions External Control Panel 1 2 3 9 8 4 11 10 5 7 6 12 13 1. Power (Refer to page 18 for more infor- mation.) Turns the projector on or off. 2. Source (Refer to page 21 for more information.) Sequentially selects the input signal RGB, DVI, YP b P r, S-Video or Video....

Introduction 10 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 theprojector that might obstruct the infra-red beam. 6 Down/ Menu ( 26 ) 3 Left/ Keystone - 4 Right/ Keystone + ( 20 ) Auto (...

Introduction 11 Remote Control Effective Range Infra Red (IR) remote control sensors are located on the front and the back of the projector. The remote control must be held at an angle within 30 degrees of the projector’s IR remote control sensors to function correctly. The distance between the remo...

Introduction 12 Installing or Replacing the Batteries Avoid excessive heat and humidity. There may be danger of an explosion if the batteries areincorrectly replaced. Replace only with the same or equivalent type recommended by themanufacturer. Dispose of the used batteries according to the manufact...

Setting Up Your Projector 13 Setting Up Your Projector Choosing a Location Your projector is designed to be installed in the four installation configurations shown here: Floor front, Ceiling front, Floor rear, Ceiling rear. Your room layout or personal preference will dictate which installation conf...

Setting Up Your Projector 14 Connecting to a Laptop or Desktop Computer A Mac adapter (an optional accessory) may be necessary 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 the Compo...

Setting Up Your Projector 15 Connecting to Video or S-Video Devices If the selected video image is not displayed after the projector is turned on and the correctvideo source has been selected, check that the video source is turned on and operating cor-rectly. Also check that the signal cables have b...

Setting Up Your Projector 16 Adjusting the Height The projector is equipped with 2 quick-release adjuster feet. 1. Lift the projector up and press the adjuster button to release the adjuster. The adjuster will drop into position and be locked. 2. Screw the rear adjuster feet to fine-tune the project...

Operation 18 Operation Start Up 1. Switch all of the connected equipment on. 2. Plug the power cord into the projector and into a wall socket. 3. Turn on the wall socket switch (where fitted). 4. Turn the main power switch on. The Power indicator lights orange. 5. Press and hold Power on the remote ...

Operation 19 continuously: “Analog RGB Searching”, “DVI-A Searching”, “DVI-D Searching”, “Analog YPbPr Searching”, “S-Video Searching”, “Composite Video Searching”. 8. You can also press Source on the projector or remote control to select your desired input signal. For more information, refer to pag...

Operation 20 Digital Keystone Correction Keystoning refers to the situation where the projected image is noticeably wider at either the top or bottom. It occurs when the projector is not perpendicular to the screen. To correct this, besides adjusting the height of the projector, you will need to man...

Operation 21 Source Selection To sequentially select input sources, press Source on the projector control panel or the remote control. It may take you a few sec-onds when the projector is searching for input signals. The selected source will be displayed at the bottom right of the screen for 3 secon...

Operation 22 Blank In order to draw the audience’s full atten-tion to the presenter, you can use Blank to hide the screen image. Press Blank again to restore the image. A word “BLANK” appear at the bottom right corner of the screen when the image is hidden. Zoom / Focusing Adjust the projected image...

Operation 23 Mouse Function Operation Connect the projector to your PC or notebook with a USB cable prior to using these functions. The Mouse Pad can take over the PC or notebook mouse function. When the displayed image is mag-nified, use the Mouse Pad to move around the dis-play areas. The L-Click ...

Operation 24 Freeze The image is frozen when Freeze is pressed. An icon will appear in the lower right corner of the screen. To release the function, press Freeze again, Return or Source (this will change the input source and release the pause function). Preset Mode Selection Press Preset to select ...

Operation 25 Menu Operation Menu System Please note that the OSD menus vary according to the signal type selected. Functions available when receiving different signal types... Sub-Menu Analog RGB / DVI-A DVI-D YPbPr (480p/ 576p/ 720p/ 1080i) YCbCr (480i/ 576i) / S-Video / Video Display KeystoneBrigh...

Operation 26 Using the menus The projector is equipped with on-screen display (OSD) menus for making various adjust-ments and settings. There are 10 different menu languages. (Refer to page 33 for more details.) The following example describes the adjustment of the keystone. 1. Press Menu on the pro...

Operation 31 3. Source Menu FUNCTION DESCRIPTION Mirror The projector can be installed on a ceiling or behind a screen, or with one or more mirrors. Contact your dealer for the ceiling mount bracket (optional accessory) if you need to install the projector on your ceiling. • Floor front: Select this...

Operation 32 Bass Adjusts the bass level. (-5 ~ 5) Mute Off On

Operation 33 4. Control Menu FUNCTION DESCRIPTION Language Language sets the language for the OSD control menus. Use the 3 / 4 key to select the desired language from among English, French, German, Italian, Spanish, Russian, Traditional Chinese, Simplified Chinese, Japanese and Korean. OSD OSD Pos. ...

Operation 34 Preset Mode Preset modes are provided so you can optimize your projector image set-up to suit your program type. PC/ DVI Signal input 1. Presentation Mode: Is designed for presentations. The brightness is emphasized in this mode. 2. Vivid Mode: Is perfect for playing games. The color sa...

Maintenance 36 Maintenance Your projector needs little maintenance. Things you have to do on a regular basis are keep the lens clean and clean the air filter to prevent overheating. Never remove any parts of the projector except the lamp and air filter. Contact your dealer if other parts needs repla...

Maintenance 37 4. Use a small vacuum cleaner designed for computers and other office equipment to clean the filters. Or use a soft brush (such as a clean artist’s paintbrush) to gently sweep the dust away. If the dirt is difficult to remove or the filters are broken, contact your place of purchase t...

Maintenance 38 Lamp Information Use and Replacement of the Lamp When the Lamp Indicator lights up red or a message appears suggesting it is time to replace the lamp, please install a new lamp or consult your dealer. An old lamp may cause a mal-function in the projector and in some instances the lamp...

Maintenance 40 Step 7. Reset the lamp counter i. Press and hold Exit on the projector for 3 seconds to display the total used lamp time. ii. Press Menu on the projector or on the remote control to access the lamp hour timer. An adjustment message will appear. iii. Press W or X to reset lamp hours an...

Maintenance 43 Service Information Accessories (included in the standard package) Optional Accessories (not included in the standard package) Ordering Parts or Getting Information For product information, product assistance, service information, or to order accessories, please visit the BenQ Corpora...

Troubleshooting 44 Troubleshooting Common Problems & Solutions THE PROJECTOR DOES NOT TURN ON. NO PICTURE BLURRED IMAGE REMOTE CONTROL DOES NOT WORK Cause Remedy There is no power from the power cable. Plug the power cord into the AC inlet on the projector, and plug the power cord into the power...

Specifications 45 Specifications Projector Specifications Technical Specifications All specifications are subject to change without notice. General Product name Digital Projector Model name PB8240 1024 x 768 XGA PB8140 800 x 600 SVGA PB8250 1024 x 768 XGA Optical Display system 1-CHIP DMD Lens F/Num...

Specifications 46 Control RS-232C 9-pin x1 Environmental Requirements Operating temperature 0°C ~ 40°C at sea level Opeating relative humidity 10% ~ 90% (without condensation) Opeating altitude 6000 feet at 30°C 6000 ~ 10000 feet at 23°C

Specifications 47 Timing Chart Supported timing for PC (including DVI-I) input Supported timing for YP b P r input Supported timing for Video and S-Video inputs Resolution Horizontal Frequency (kHz) Vertical Frequency (Hz) Pixel Frequency (MHz) Mode 720 x 400 37.927 85.039 35.500 720 x 400_85 640 x ...

Warranty 49 Warranty Limited Warranty BenQ warrants this product against any defects in material and workmanship, under normal usage and storage. Proof of purchase date will be required with any warranty claim. In the event this prod-uct is found to be defective within the warranty period, BenQ’s on...

Regulation Statements 50 Regulation Statements FCC Statement CLASS B: This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful inter-ference to radio communications. However, there is no guarantee that...