BenQ LH820ST User Manual
  1. Manuals
  2. Brands
  3. BenQ Manuals
  4. Projector
  5. LH820ST
  6. User manual

BenQ LH820ST User Manual

Hide thumbs Also See for LH820ST:
Table of Contents

Advertisement

Quick Links

Digital Projector
User M anual
L H820ST
V 1.00

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the LH820ST and is the answer not in the manual?

Questions and answers

Related Manuals for BenQ LH820ST

Summary of Contents for BenQ LH820ST

  • Page 1 Digital Projector User M anual L H820ST V 1.00...
  • Page 2 W arranty and Copyright information L imited warranty B enQ 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, B enQ's only obligation and your exclusive remedy shall be replacement of any defective parts (labor included).

  • Page 3: Table Of Contents

    Table of Contents Warranty and Copyright information .................... 2 Important safety instructions ......................4 Notice ............................7 Introduction ............................8 Shipping contents ........................8 Projector exterior view ......................9 Controls and functions......................10 Positioning your projector ......................12 Choosing a location ......................... 12 Obtaining a preferred projected image size................

  • Page 4: Important Safety Instructions

    Important safety instructions Y our projector is designed and tested to meet the latest standards for safety of information technology equipment. However, to ensure safe use of this product, it is important that you follow the instructions mentioned in this manual and marked on the product. 1.
  • Page 5 9. Never replace the light source assembly or 13. Always place the projector on a level, any electronic components unless the horizontal surface during operation. projector is unplugged. - Do not use if tilted at an angle of more than 10 degrees left to right, nor at angle of more than 15 degrees front to back.
  • Page 6 17. Do not place liquids near or on the projector. 20. Do not place this projector in any of the L iquids spilled into the projector may cause it following environments. to fail. If the projector does become wet, - S pace that is poorly ventilated or confined. Allow at disconnect it from the power supply's power least 50 cm clearance from walls and free flow of air around the projector.

  • Page 7: Notice

    Notice To ensure safe use of this product, Please read the user manual for details before you operate your projector. Risk Group 2 Laser Caution 1. According to the classification of This product belongs to CL ASS 1 consumer laser product and complies with IE C 60825-1:2014, E N photobiological safety of light sources and 60825-1:2014/A11:2021 and E N 50689:2021.

  • Page 8: Introduction

    Introduction Shipping contents 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 Remote control with Projector Quick Start Guide batteries Power cord V GA cable Warranty card* •...

  • Page 9: Projector Exterior View

    Projector exterior view 18.1 L ens cover 14. USB Type A port V ent (air exhaust) 15. Audio input jack Audio output jack IR remote sensor 16. M icrophone Adjuster feet 17. Audio (L /R) input jack Projection lens 18. HDM I 1 input port Focus ring 18.1 WiFi Dongle Port (HDM I 2 input port for E xternal control panel...

  • Page 10: Controls And Functions

    Controls and functions Projector & Remote control All the key presses described in this document are available on the remote control or projector. 6. Arrow keys ( , POWER When the On-Screen Display (OS D) menu is Toggles the projector between standby mode activated, these keys are used as directional and on.
  • Page 11 8. OK 16. ZOOM+/ZOOM- Confirms the selected On-Screen Display M agnifies or reduces the projected picture (OSD) menu item. size. 9. AUTO 17. PAGE+/PAGE- Automatically determines the best picture Operate your display software program (on a timings for the displayed image when PC signal connected PC) which responds to page (analog RGB ) is selected.

  • Page 12: Positioning Your Projector

    Positioning your projector Choosing a location B efore choosing an installation location for your projector, take the following factors into consideration: • Size and position of your screen • E lectrical outlet location • L ocation and distance between the projector and the rest of your equipment You can install your projector in the following ways.

  • Page 13: Obtaining A Preferred Projected Image Size

    Obtaining a preferred projected image size The distance from the projector lens to the screen, the zoom setting (if available), and the video format each factors in the projected image size. Projection dimensions • The screen aspect ratio is 16:9 and the projected picture is in a 16:9 aspect ratio 16:9 Screen diagonal Vertical Offset Projection distance...
  • Page 14 • If your measured projection distance is 1000 mm, the closest match in the "Projection distance (mm)" column is 986 mm. L ooking across this row shows that a 90'' (about 2.2 m) screen is required. • All measurements are approximate and may vary from the actual sizes. B enQ recommends that if you intend to permanently install the projector, you should physically test the projection size and distance using the actual projector in situ before you permanently install it, so as to make allowance for this projector's optical characteristics.

  • Page 15: Mounting The Projector

    Mounting the projector If you intend to mount your projector, we strongly recommend that you use a proper fitting B enQ projector mounting kit and that you ensure it is securely and safely installed. If you use a non-B enQ brand projector mounting kit, there is a safety risk that the projector may fall down due to an improper attachment through the use of the wrong gauge or length screws.

  • Page 16: Adjusting The Projected Image

    Adjusting the projected image Adjusting the projection angle If the projector is not placed on a flat surface or the screen and the projector are not perpendicular to each other, the projected image becomes trapezoidal. Y ou can screw the adjuster feet to fine-tune the horizontal angle.
  • Page 17 Correcting 2D keystone 2D Keystone function enables a wider projector installation area compared to conventional projectors with limited positioning in front of the screen. To correct this, you will need to manually correct it following one of these steps. 1. Do one of the following steps to display the 2D keystone correction page.

  • Page 18: Connection

    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. E nsure the cables are firmly inserted. A/V device M onitor V GA cable V GA to DV I-A cable...
  • Page 19 You need only connect the projector to a video source device using just one of the connecting methods, however each provides a different level of video quality. Terminal Picture quality B est HDMI I Component Video (through RGB B etter input) Good S-Video...

  • Page 20: Operation

    Operation Starting up the projector 1. Plug the power cord. Turn on the power outlet switch (where fitted). The power indicator on the projector lights orange after power has been applied. 2. Press on the projector or on the remote control to start the projector.

  • Page 21: Using The Menus

    Using the menus The projector is equipped with 2 types of On-Screen Display (OS D) menus for making various adjustments and settings. • Basic OSD menu: provides primary menu functions. (S ee B asic menu on page • Advanced OSD menu: provides full menu functions. (See Advanced menu on page To access the OSD menu, press MENU on the projector or remote control.
  • Page 22 If you intend to switch from the Basic OS D menu to the Advanced OSD menu, follow the instructions below: 1. Go to Basic Menu > Menu Type. 2. Press OK and press / to select Advanced. Next time when you turn on the projector, you may access the Advanced OS D menu by pressing MENU.

  • Page 23: Securing The Projector

    Securing the projector Using a security cable lock The projector has to be installed in a safe place to prevent theft. Otherwise, purchase a lock, such as the Kensington lock, to secure the projector. Y ou can locate a Kensington lock slot on the rear side of the projector.

  • Page 24: Switching Input Signal

    Changing the password 1. Go to Advanced Menu - Settings > Security Settings > Change Password. 2. Press OK. The message — Input Current Password“ appears. 3. E nter the old password. • If the password is correct, another message — Input New Password“ appears. •...

  • Page 25: Controlling The Projector Via Lan

    Controlling the projector via LAN Wired L AN allows you to manage the projector from a computer using a web browser when the computer and the projector are properly connected to the same local area network. Configuring the Wired LAN Settings If you are in a DHCP environment: 1.

  • Page 26: Upgrading Firmware Via Lan

    Upgrading firmware via LAN The B enQ E asy Firmware Updater is a software program that enables remote and centralized upgrade the B enQ network projector on a host computer. The key features of the B enQ E asy Firmware Updater include: •...

  • Page 27: Menu Operation

    Menu operation Please note that the on-screen display (OSD) menus vary according to the signal type selected and the projector model you are using. The menu items are available when the projector detects at least one valid signal. If there is no equipment connected to the projector or no signal detected, limited menu items are accessible.
  • Page 28 The projector is preset with several predefined picture modes so that you can choose one to suit your operating environment and input signal picture type. • Bright: M aximizes the brightness of the projected image. This mode is suitable for environments where extra-high brightness is required, such as using the projector in well lit rooms.

  • Page 29: Advanced Menu

    Advanced menu Picture Picture Mode Picture M ode on page There are 2 user-definable modes if the current available picture modes are not suitable for your need. Y ou can use one of the picture modes (except the User 1/User 2) as a starting point and customize the settings. 1.
  • Page 30 Color Temperature There are several preset color temperature settings available. The available settings may vary according to the signal type selected. • Normal: M aintains normal colorings for white. • Cool: M akes images appear bluish white. • Warm: M akes images appear reddish white. Color Temperature Tuning Y ou can also set a preferred color temperature by adjusting the following options.
  • Page 31 Wall Color Corrects the projected picture‘ s color when the projection surface such as a Advanced painted wall which may not be white, the Wall Color feature can help correct the Color Settings projected picture‘ s colors to prevent possible color difference between the source and projected pictures.
  • Page 32 This projector features a 3D function which enables you to enjoy the 3D movies, videos, and sporting events in a more realistic way by presenting the depth of the images. Y ou need to wear a pair of 3D glasses to view the 3D images. •...
  • Page 33 Digital Shrink & Shift Shrinks projected image digitally and shifts the image in available projection area. • Digital Shrink: Press OK to activate the adjusting bar. Image Resizing • Shift: Only available when shrink is applied. Blanking B lanks the chosen pixels from the selected sides. It provides 3 screen aspect ratios for user to choose from.
  • Page 34 Remote Allows you to enable all the remote receivers or one specific remote receiver on the projector. Receiver Auto Source Allows the projector to automatically search for a signal. Search • Light Mode: S ee Setting the L ight M ode on page Light Settings •...
  • Page 35 Selects a baud rate that is identical with your computer‘ s so that you can connect Baud Rate the projector using a suitable RS-232 cable and update or download the projector‘ s firmware. This function is intended for qualified service personnel. Adjusts the equalizer gain settings for an HDM I signal.
  • Page 36 • Mute: Temporarily turns off the sound. • Volume: Adjusts the sound level. • Microphone Volume: Adjusts the microphone volume of the projector. Audio • Power On/Off Ring Tone: Turns on or off the ring tone when the projector is in startup and shutdown process.

  • Page 37: Maintenance

    Maintenance Care of the projector Cleaning the lens Clean the lens whenever you notice dirt or dust on the surface. Please be sure to turn off the projector and let it cool down completely before cleaning the lens. • Use a canister of compressed air to remove dust. •...

  • Page 38: Light Information

    Light information Extending light source life • Setting the Light Mode Go to Advanced Menu - Settings > Light Settings > Light Mode and select a suitable light source power from among the provided modes. Setting the projector in Economic, Dimming or Custom mode extends light source life. Light source mode Description Normal...
  • Page 39 Indicators Light Status & Description System Messages Stand-by mode Powering up Normal operation Normal power-down cooling Download CW start fail Light life exhausted LAN download fail LAN download processing Burn-In Messages Burn-in ON Burn-in OFF Light Error Messages Light error in normal operation Light is not lit up Thermal Error Messages Fan 1 error (the actual fan speed is outside the desired speed)

  • Page 40: Troubleshooting

    Troubleshooting The projector does not turn on. Cause Remedy Plug the power cord into the AC power jack on the projector, and plug the power cord into the power outlet. If There is no power from the power cord. the power outlet has a switch, make sure that it is switched Attempting to turn the projector on again during Wait until the cooling down process has completed.

  • Page 41: Specifications

    Type-A power supply 1.5 A x 1; Mini-B x 1 Repairing RS-232 serial control Please visit below website and choose your country to 9 pin x 1 find your service contact window. http://www.benq.com/welcome IR receiver x 2 LAN control Wired (RJ45) S pecifications...

  • Page 42: Dimensions

    Dimensions 410 mm (W) x 157.7 mm (H) x 272 mm (D) 99.9 Unit: mm S pecifications...

  • Page 43: Timing Chart

    1024 x 768 XGA_85 84.997 68.667 94.500 XGA_120 (Reduce 119.989 97.551 115.5 Blanking) 1152 x 864 1152 x 864_75 67.5 BenQ 1024 x 576 60.0 35.820 46.966 Notebook_timing BenQ 1024 x 600 64.995 41.467 51.419 Notebook_timing 1280 x 720 1280 x 720_60 45.000...
  • Page 44 1024 x 768 XGA_85 84.997 68.667 94.500 XGA_120 (Reduce 119.989 97.551 115.5 Blanking) 1152 x 864 1152 x 864_75 67.5 BenQ Notebook 1024 x 576@60Hz 60.00 35.820 46.996 Timing BenQ Notebook 1024 x 600@65Hz 64.995 41.467 51.419 Timing 1280 x 720 1280 x 720_60 45.000...
  • Page 45 • Video timings Supported 3D format Vertical Horizontal Pixel Timing Resolution Frequency Frequency Frequency Frame Frame Side by (Hz) (kHz) (MHz) Sequential Packing Bottom Side 480i 720 x 480 59.94 15.73 480p 720 x 480 59.94 31.47 576i 720 x 576 15.63 576p 720 x 576...

Table of Contents