BenQ PB8253 - Manual

Introduction 10 Shipping contents The projector is shipped with the cables required for connection to a PC and to video equipment. 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. Standard accessories Th...

Introduction 11 Projector exterior view Front/upper side Rear/side view Refer to "Connection" on page 22 for more information on making connections to various equipment. Lower view 1. External control panel See "Projector" on page 13 for details. 2. Vent (cool air intake) 3. Front IR...

Introduction 12 Connector panel 21. RGB (PC)/Component video (YPbPr/ YCbCr) signal input socket 22. RGB signal output socket 23. Audio (Left/ Right)/Video input sockets 24. S-Video input socket 25. DVI-I signal input socketsupports DVI-D video signal and DVI-A PC signal 26. RS 232 control port For e...

Introduction 13 Controls and functions Projector 1. Focus ringAdjusts the focus of the projected image. See "Fine-tuning the image size and clarity" on page 32 for details. 2. Zoom ring Adjusts the size of the image. See "Fine-tuning the image size and clarity" on page 32 for details...

Introduction 14 Remote control 1. Power Toggles the projector between standby mode and on.When the projector is in standby mode, press once to turn the projector on.When the projector is on, press twice to turn the projector to standby.See "Start up" on page 30 and "Shutting down the pro...

Introduction 16 Remote control effective range Infra-Red (IR) remote control sensors are located on the front and the back of the projector with an incline of 45 degrees. The remote control is recommended to be held at an angle within 30 degrees perpendicular to the projector's IR remote control sen...

Positioning your projector 17 Positioning your projector Choosing a location Your projector is designed to be installed in one of four possible installation locations: 1. Floor in front of screen; 2. Ceiling in front of screen; 3. Floor at rear of screen; 4. Ceiling at rear of screen. Your room layo...

Positioning your projector 18 Safety instructions for ceiling mounting of the projector We want you to have a pleasant experience using your BenQ projector, so we need to bring this safety matter to your attention to prevent damage to person and property. If you intend to mount your projector on the...

Positioning your projector 19 Obtaining a preferred projected image size The distance from the projector lens to the screen, the zoom setting, and the video format each factors in the projected image size. The maximum (native) resolution of the projector is 1024 x 768 pixels, which is a 4 to 3 aspec...

Positioning your projector 20 How to determine the position of the projector for a given screen size 1. Select your screen size. 2. Refer to the table and find the closest match to your screen size in the left columns labelled '4:3 Screen Diagonal'. Using this value, look across this row to the righ...

Connection 22 Connection When connecting a signal source to the projector, be sure to: 1. Turn all equipment off before making any connections. 2. Use the correct signal cables for each source. 3. Ensure the cables are firmly inserted. In the connections shown below, some cables may not be included ...

Connection 24 Connecting a monitor If you want to view your presentation close-up on a monitor as well as on the screen, you can connect the RGB signal output socket on the projector to an external monitor with a VGA or VGA to DVI-A cable following the instructions below: To connect the projector to...

Connection 25 Connecting Video source devices You can connect your projector to various Video source devices that provide any one of the following output sockets: • DVI • Component Video • S-Video • Video (composite) You need only connect the projector to a Video source device using just one of the ...

Connection 26 Connecting a DVI source device The projector provides a DVI-I input socket that allows you to connect it to a DVI source device like DVD player, or a VGA output device like notebook or desktop computer. There are three types of DVI connector: DVI-A, DVI-D, and DVI-I. The DVI-I socket i...

Connection 27 Connecting a Component Video source device Examine your Video source device to determine if it has a set of unused Component Video output sockets available: • If so, you can continue with this procedure. • If not, you will need to reassess which method you can use to connect to the dev...

Connection 28 Connecting an S-Video source device Examine your Video source device to determine if it has an unused S-Video output socket available: • If so, you can continue with this procedure. • If not, you will need to reassess which method you can use to connect to the device. To connect the pr...

Connection 29 Connecting a composite Video source device Examine your Video source device to determine if it has a set of unused composite Video output sockets available: • If so, you can continue with this procedure. • If not, you will need to reassess which method you can use to connect to the dev...

Operation 30 Operation Start up 1. Plug the power cord into the projector and into a wall socket. Turn on the wall socket switch (where fitted). 2. Remove the lens cap. If it is left on, it could become deformed due to the heat produced by the projection lamp. 3. Turn the main power switch on. The P...

Operation 31 Switching input signal The projector can be connected to multiple devices at the same time. However, it can only display one full screen at a time. To cycle through the available input sources, press SOURCE on the projector or remote control. The selected source name will display in the...

Operation 32 Auto-adjusting the image In some cases, you may need to optimize the picture quality. To do this, press AUTO on the projector or remote control. Within 3 seconds, the built-in Intelligent Auto Adjustment function will re-adjust the values of Frequency, and Clock to provide the best pict...

Operation 33 Selecting the aspect ratio The "aspect ratio" is the ratio of the image width to the image height. Most analog TV and computers are in 4:3 ratio, which is the default for this projector, and digital TV is usually in 16:9 ratio. You can change the projected image ratio (no matter...

Operation 34 Optimizing the image To optimize the image, use the buttons on the projector or remote control to adjust the image settings directly, or to change the settings on the On-Screen Display (OSD) menus. For the operation of OSD menus, refer to "Using the menus" on page 42 . The follo...

Operation 35 Selecting a preset mode The projector is preset with several predefined application modes so that you can choose one to suit your operating environment and input source picture type. To select a operation mode that suits your need, press MODE on the remote control. The picture modes ava...

Operation 36 Other adjustments If you are not satisfied with the picture quality made by the preset modes, you can manually adjust some of the settings through the On-Screen Display (OSD) menus. Adjusting brightness Press MENU on the projector or remote control. Go to Display > Brightness and adj...

Operation 37 Operating in a high altitude environment We recommend you use the High Altitude Mode when your environment is higher than 3000 feet above sea level, or is hotter than 40 °C , or whenever the projector will be used for extended periods of time (>10 hours) without shutdown. To activate...

Operation 38 Hiding the image In order to draw the audience's full attention to the presenter or other media, you can use BLANK to hide the projected image when needed. The word 'BLANK' appears at the bottom right corner of the screen while the image is hidden. When this function is activated with a...

Operation 40 Shutting down the projector 1. Press Power and a confirmation message will display prompting you as pictured to the right.If you don't respond in a few seconds, the message will disappear. 2. Press Power a second time to turn the projector off. The Power indicator light flashes orange, ...

Operation 41 On-Screen Display (OSD) menu operation OSD menu system *When a Video or S-Video signal is connected, the function is only available with NTSC system selected. Functions available when receiving different signal types... Main Menu Analog RGB / DVI-A DVI-D YPbPr (480p/ 576p/ 720p/ 1080i) ...

Operation 42 Using the menus The projector is equipped with On-Screen Display (OSD) menus for making various adjustments and settings. Please note that the on-screen display (OSD) menus vary according to the signal type selected. There are 10 different menu languages of your choice. See "Control...

Operation 43 Display menu Some picture adjustments are available only when certain input sources are in use. Unavailable adjustments are not shown on the screen. FUNCTION (default setting / value) DESCRIPTION Keystone (0) Corrects any keystoning of the image. See "Correcting keystone" on pag...

Operation 44 Image menu Some picture adjustments are available only when certain input sources are in use. Unavailable adjustments are not shown on the screen. FUNCTION (default setting / value) DESCRIPTION Auto Resize (On) Automatically resizes the input signal pixel resolution to the native resolu...

Operation 45 Source menu FUNCTION (default setting / value) DESCRIPTION Mirror (Floor front) 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 you...

Operation 46 Control menu FUNCTION (default setting / value) DESCRIPTION (default setting / value) Language (English) Language sets the language for the OSD control menus. Use Left/ Right to select the desired language from among English, French, German, Italian, Spanish, Russian, Traditional Chines...

Operation 47 PIP menu This menu allows you to turn on the PIP screen and make various adjustments to the screen. High Altitude (Off) A mode for operation in areas like high altitude or high temperature. See "Operating in a high altitude environment" on page 37 for details. FUNCTION DESCRIPTI...

Maintenance 48 Maintenance Care of the projector Your projector needs little maintenance. The only thing you need to do on a regular basis is to keep the lens clean and to clean the dust filters to prevent overheating. See "Cleaning the lens" and "Cleaning and replacing the dust filters&...

Maintenance 50 down after 10 minutes if there has been no further action taken. Re-install the filters securely, then turn on the power again. Lamp information Use and replacement of the lamp When the Lamp indicator lights up red or a message displays suggesting it is time to replace the lamp, pleas...

Maintenance 51 Replacing the lamp • To reduce the risk of electrical shock, always turn the projector off and disconnect the power cord before changing the lamp. • To reduce the risk of severe burns, allow the projector to cool for at least 45 minutes before replacing the lamp. • To reduce the risk ...

Maintenance 52 • Do not insert your hands into the projector after the lamp is removed. If you touch the optical components inside, it could cause color unevenness and distortion of the projected images. 6. Insert the new lamp. Ensure the handle is fully laid flat and locked in place. Reinsert and t...

Maintenance 53 Indicators Illustration • Blank -: Light OFF • O : Orange light • : Light flashing • R: Red light • : Light ON • G: Green light LED Status & Description Power Temp Lamp Power events The projector has just been connected to a power outlet. - - Stand-by mode. - - (1) The projector n...

Troubleshooting 55 Troubleshooting 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 outlet. If the power outlet has...

Specifications 57 Specifications Projector specifications All specifications are subject to change without notice. Optical Resolution 1024 x 768 XGA Display system 1-CHIP DMD Lens F/Number F=2.4 to 2.6, f=24.0-29.1 mm Lamp 300W lamp Electrical Power supply AC100–240V, 4.5A, 50/60 Hz (Automatic) Powe...

Specifications 58 Dimensions 320 mm (W) x 106 mm (H) x 236 mm (D) Unit: mm Timing chart Supported timing for PC (including DVI-I) input * denotes the timing is not recommended for use with the Analog RGB or DVI-A input signal selected.** denotes the timing is not recommended for use with the DVI-D i...

Specifications 59 Supported timing for Component-YP b P r input Supported timing for Video and S-Video inputs Signal Format Horizontal Frequency (kHz) Vertical Frequency (Hz) 480i(525i)@60Hz 15.73 59.94 480p(525p)@60Hz 31.47 59.94 576i(625i)@50Hz 15.63 50.00 576p(625p)@50Hz 31.25 50.00 720p(750p)@60...

Warranty 60 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 product is found to be defective within the warranty period, BenQ's onl...

Regulation Statements 61 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 interference to radio communications. However, there is no guarantee that ...