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BH281
Digital Signage
User Manual

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Table of Contents
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Summary of Contents for BenQ BH281

  • Page 1 BH281 Digital Signage User Manual...
  • Page 2 Disclaimer BenQ Corporation makes no representations or warranties, either expressed or implied, with respect to the contents of this document. BenQ Corporation reserves the right to revise this publication and to make changes from time to time in the contents thereof without obligation to notify any person of such revision or changes.
  • Page 3: Table Of Contents

    Safety warnings and precautions ........1 Important safety instructions..........2 Notes on the LCD panel of this display........2 Safety notice for remote control..........3 BenQ ecoFACTS................4 Package contents ..............5 Setting up the display ............6 Mounting the display............... 6 Parts of the display and their functions ......
  • Page 4 Table of Contents Operations in the OSD menu............ 19 Picture menu ................. 20 Sound menu .................. 21 Setup menu ................... 22 Initial Setting menu ..............23 System Information menu ............24 Multimedia system operation............. 25 Product information............31 Specifications.................. 31 USB device compatibility.............
  • Page 5: Safety Warnings And Precautions

    Safety warnings and precautions Safety warnings and precautions THIS EQUIPMENT MUST BE GROUNDED To ensure safe operation, the three-pin plug must be inserted only into a standard three-pin power outlet which is effectively grounded through normal household wiring. Extension cords The lightning flash with arrowhead used with the equipment must have symbol, within an equilateral triangle, is...
  • Page 6: Important Safety Instructions

    Important safety instructions Important safety instructions 1. Read these instructions. 2. Keep these instructions. 3. Heed all warnings. 4. Follow all instructions. 5. Do not use this apparatus near water. 6. Clean only with dry cloth. 7. Do not block any ventilation openings. Install in accordance with the manufacturer's instructions.
  • Page 7: Safety Notice For Remote Control

    Important safety instructions screen as visible fixed lines and shades. To avoid such damage to the screen, avoid displaying still images (like On-Screen Display menus, TV station logos, fixed/inactive text or icons) for more than two hours. Change the aspect ratio from time to time. Fill the entire screen with the image and eliminate the black bars whenever possible.
  • Page 8: Benq Ecofacts

    Important safety instructions BenQ ecoFACTS BenQ has been dedicated to the design and development of greener product as part of its aspiration to realize the ideal of the “Bringing Enjoyment 'N Quality to Life” corporate vision with the ultimate goal to achieve a low-carbon society. Besides meeting...
  • Page 9: Package Contents

    Package contents Package contents Open the sales package and check the contents. If any item is missing or damaged, please contact your dealer immediately. LCD display Power cord Remote control Adapter HDMI cable (By region) Warranty Card Adapter Holder Quick start guide (By region) (Optional) •...
  • Page 10: Setting Up The Display

    Setting up the display Setting up the display Mounting the display You can install the display on a vertical surface with a suitable wall mounting bracket or on a horizontal surface with the optional desktop stands. Please pay attention to the following notes during installation: •...
  • Page 11 Setting up the display • To maintain proper ventilation, keep at least 10 mm of 10mm (0.39") clear space from the back cover of the display to the wall. • Please consult a professional technician for wall mount installations. The manufacturer accepts no liability for installations not performed by a professional technician.
  • Page 12: Parts Of The Display And Their Functions

    Parts of the display and their functions Parts of the display and their functions Front panel Rear panel Bottom panel Name Description MENU Opens or closes the OSD menu. • Selects a video source INPUT • Enters a submenu in the OSD menu.
  • Page 13 Parts of the display and their functions For Power Indicator: Indicates the operating status of the display: • Lights up green when the display is turned on. Power indicator / Remote control • Lights up red when the display is turned off. sensor For Remote Control Sensor: Receives command signals from the remote control.
  • Page 14: Input/Output Terminals

    Parts of the display and their functions Input/output terminals Name Description Connects to a power outlet via the supplied power cord and DC IN adapter. Inputs audio signals from an external device. LINE IN Receives analog RGB signals from an external device (such as a computer).
  • Page 15: Remote Control

    Parts of the display and their functions Remote control Option buttons The button functions are not available with the display. MENU Opens or closes the OSD menu. INPUT Selects an input source. ENTER Confirms your selection or save changes. FREEZE The button function is not available with the display.
  • Page 16: Using The Remote Control

    Parts of the display and their functions Using the remote control Installing remote control batteries 1. Open the remote control battery compart- ment cover. 2. Insert the batteries ensuring that the positive and negative marked battery terminals match the (+) and (-) marks in the battery compartment.
  • Page 17: Connection

    Connection Connection Connecting audio/video signals Pay attention to the following notes when you connect cables: • Please turn off all devices. • Familiarize yourself with the audio/video ports on the display and the devices you want to use. Be aware that incorrect connections may adversely affect picture quality. •...
  • Page 18: Connecting The Digital Inputs

    Connection Connecting the digital inputs 1. Connect the either the HDMI output jack or DVI-D output jack of a computer or A/ V device (such as a set top box) to the HDMI input jack on the display using an HDMI cable or a DVI-D to HDMI conversion cable.
  • Page 19: Connecting The Rs-232C (Serial Port) Input

    Connection Connecting the RS-232C (Serial Port) input You can connect a computer to the display via the RS-232C to send commands from the computer to the display. RS-232 cable Computer • The applicable cable is not supplied and should be purchased separately. •...
  • Page 20: Connecting Power

    Connection Connecting power 1. Plug the adapter into the DC IN jack on the display. 2. Plug one end of the power cord into the adapter and the other end into an appropriate power outlet (if the outlet is switched, turn on the switch). 3.
  • Page 21: Basic Operations

    Basic operations Basic operations Turning the display on or off To turn on the display, press the power button on the display’s control panel or on the remote control. • The display’s standby mode still consumes power. To completely cut off power supply disconnect the power cord from the power outlet.
  • Page 22: The Osd (On-Screen Display) Menu

    The OSD (On-Screen Display) menu The OSD (On-Screen Display) menu OSD menu overview Menu name Options/ functions See page • Picture Mode • Backlight • Color Temperature • Gamma Picture • Aspect ratio • VGA Setting • Reset Picture Setting •...
  • Page 23: Operations In The Osd Menu

    The OSD (On-Screen Display) menu Operations in the OSD menu Using the control panel buttons Using the remote control 1. Press MENU to open the OSD menu. 1. Press MENU to open the OSD menu. 2. In the OSD menu, press  or  to 2.
  • Page 24: Picture Menu

    The OSD (On-Screen Display) menu Picture menu P i c t u r e P i c t u r e M o d e D y n a m i c B a c k l i g h t 1 0 0 C o l o r Te m p e r a t u r e 1 1 5 0 0...
  • Page 25: Sound Menu

    The OSD (On-Screen Display) menu Sound menu S o u n d Sound Mode S t a n d a r d S u r r o u n d S o u n d O f f R e s e t A u d i o S e t t i n g Move Menu Exit...
  • Page 26: Setup Menu

    The OSD (On-Screen Display) menu Setup menu S e t u p P o w e r S a v e 3 0 0 S e c S o f t w a r e U p d a t e ( U S B ) R e s t o r e D e f a u l t Adjust Move...
  • Page 27: Initial Setting Menu

    The OSD (On-Screen Display) menu Initial Setting menu I n i t i a l S e t t i n g M e n u L a n g u a g e E n g l i s h R e m o t e O p e r a t i o n E n a b l e K e y p a d O p e r a t i o n...
  • Page 28: System Information Menu

    The OSD (On-Screen Display) menu System Information menu S y s t e m I n f o r m a t i o n M o d e l N a m e B H 2 8 1 S W Ve r s i o n 0 .
  • Page 29: Multimedia System Operation

    The OSD (On-Screen Display) menu Multimedia system operation The multimedia system provides a variety of settings when the display is connected to a USB drive. To access the multimedia systems: 1. Make sure the USB drive is correctly connected to the display. 2.
  • Page 30 The OSD (On-Screen Display) menu Stops the video/audio clip.  Plays the video/audio clip.  Fast forwards/rewinds the selected clip. /...
  • Page 31 The OSD (On-Screen Display) menu Viewing options PHOTO: Lists all the supported image files in a list. Select the image you want to display and perform the functions provided on the screen according to your needs. C : \ P H O T O FileName Back Image 1.jpg...
  • Page 32 The OSD (On-Screen Display) menu MUSIC: Select the track you want to play and perform the functions provided on the screen according to your needs. Remote control key functions Name Description MENU Switches to the OSD menu. Goes back to the previous screen. BACK Selects/deselects a track.
  • Page 33 The OSD (On-Screen Display) menu Selects repeat mode as all, no, or single repeat. Selects random or not random playback.
  • Page 34 The OSD (On-Screen Display) menu MOVIE: Select the video file you want to play and peform the functions provided on the screen according to your needs. Remote control key functions Name Description MENU Switches to the OSD menu. Goes back to the previous screen. BACK Selects/deselects a desired video.
  • Page 35: Product Information

    Product information Product information Specifications Item Specifications Backlight Edge LED Panel size 27.6” Pixel pitch (mm) 0.3588 (H) x 0.3588 (W) Native resolution (pixels) 1920 x 360 Brightness (cd/m LCD panel 1,000 nits (typical) Contrast (typical) 1000:1 Response time (ms) (typical) Panel Bit 8-bit...
  • Page 36 Product information Specifications and functions are subject to change without notice.
  • Page 37: Usb Device Compatibility

    Product information USB device compatibility USB Video Formats File Video Maximum Max. Frame Max. Bit Audio Container Extensions Codec Resolution Rate (fps) Rate (Mbps) Codec MPEG-1 (L2 & L3) .dat .mpg MPEG1 1080P .mpeg L-PCM MPEG-1 (L2 & L3) .dat .mpg MPEG MPEG2...
  • Page 38 Product information USB Audio Formats File Extensions Audio Codec Bit Rate (Kbps) Sample Rate (Khz) .mp3 MPEG1 Layer2 32 - 448 32 - 48 .mp3 MPEG1 Layer3 32 - 320 32 - 48 N/A (Works with 32 - 640 32, 44.1, 48 video files only) .m4a AAC, HEAAC...
  • Page 39 Product information USB Video External Subtitle Formats (for subtitles, etc.) File Extensions Container Notes .srt SubRip .ssa SubStation Alpha .ass SAMI .smi SubViewer MicroDVD .sub SubViewer 1.0 & 2.0 only DVDSubtitleSystem Subldx (VobSub) .txt TMPlayer...
  • Page 40: Dimensions

    Product information Dimensions (with screw) Unit: mm...
  • Page 41: Supported Input Signal Resolution

    Product information Supported input signal resolution Input source Resolution HDMI 1920 x 360 @ 60Hz 1920 x 1080 @ 60Hz 720p (50Hz) 720p (60Hz) 1080i (50Hz) 1080i (60Hz) 1080p (24Hz) 1080p (25Hz) 1080p (30Hz) 1080p (50Hz) 1080p (60Hz) • : supported •...
  • Page 42: Troubleshooting

    Troubleshooting Troubleshooting Problem Solution No picture Check the following: • Is the display turned on? Check the power indicator of the display. • Is the signal source device turned on? Turn on the device and try again. • Are there any loose cable connections? Make sure that all cables are connected firmly.
  • Page 43 Troubleshooting The remote control does • Have you locked the remote control function? Unlock the not work function and try again. • Check for incorrect battery orientation. • Check for dead batteries. • Check your distance and angle from the display. •...

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