Page 2 - Table of Contents
2 DU6871/DW6851/DX6831 DLP Projector - User's Manual Table of Contents Copyright ���������������������������������������������������������������������������������������������������������������������������� 4 Copyright ����������������������������������������������������������������������������������...
Page 3 - Replacing the filter
3 DU6871/DW6851/DX6831 DLP Projector - User's Manual Replacing the Lamps ������������������������������������������������������������������������������������������������������ 44Installing or Removing the Projection lens ������������������������������������������������������������������� 45 Replacin...
Page 4 - Copyright; international copyright right law� All rights are reserved�; Disclaimer; The information in the manual is subject to change without notice�; About the Manual; page you need�
4 DU6871/DW6851/DX6831 DLP Projector - User's Manual Copyright Copyright The User's Manual (including all pictures, illustrations and software) is protected by the international copyright right law� All rights are reserved� No duplication of the manual or any content included in the manual is allowe...
Page 5 - Important Safety Guidelines; Installation and Use Notice
5 DU6871/DW6851/DX6831 DLP Projector - User's Manual Important Safety Guidelines Thank you for purchasing the high quality product! Read the Manual carefully to obtain the best performance� The Manual provides instructions to use the menu and implement operation� Installation and Use Notice 1� Read ...
Page 6 - Disposal of Old Electric and Electronic Equipment; authorities or your dealer for the correct method of disposal�; Important Recycling Instructions; federal laws of recycling or discarding�
6 DU6871/DW6851/DX6831 DLP Projector - User's Manual Disposal of Old Electric and Electronic Equipment The symbol on your product or the package represents that the product should not be treated as the normal household waste when discarded but should be carried to the recycling location of the waste...
Page 7 - Product Features; Introduction
7 DU6871/DW6851/DX6831 DLP Projector - User's Manual The User's Manual describes the installation, setup and operation of the DU6871/DW6851/ DX6831 projector and provides assistance to the installation personnel and the end-user to fully develop the performance of the projector� VIVITEK has made eve...
Page 8 - Packing Checklist; service department�
8 DU6871/DW6851/DX6831 DLP Projector - User's Manual Packing Checklist The following items are included in the packaging box of the DU6871/DW6851/DX6831 projector� If any loss or damage to any item, contact your dealer or the VIVITEK customer service department� AC power cord IR remote control RoHS ...
Page 9 - Projector Overview
9 DU6871/DW6851/DX6831 DLP Projector - User's Manual • Vent Heat is discharged from the projector via the vent� Make sure that the vent is clear� • Intake/Filter cover The internal fan pulls cool air to the projector via the intake� • Adjustable supporting stand When the projector is installed on a ...
Page 11 - Control Panel
11 DU6871/DW6851/DX6831 DLP Projector - User's Manual Control Panel ENGER + + - - • POWER User the button to turn on/off the projector� • INPUT Push the button to select the video source� HDMI, DVI, VGA, Component/BNC DisplayPort or HDBaseT� • AUTO SYNC Implement automatic signal synchronization� • ...
Page 12 - Remote Control
12 DU6871/DW6851/DX6831 DLP Projector - User's Manual BLANK 3D MODE • ON Use the button to turn on the projector� • OFF Use the button to turn off the projector� • FOCUS Adjust the focus of the projected image� • ZOOM Zoom in/out the projected image� • TEST PATTERN Use the button to display the test...
Page 13 - Installation of the Remote Control Battery; � Slide the battery cover in the direction of the arrow�; Remote Control Operating Range
13 DU6871/DW6851/DX6831 DLP Projector - User's Manual Installation of the Remote Control Battery 1 2 3 1� Slide the battery cover in the direction of the arrow� 2� Place two AA batteries with the correct polarity� 3� Slide on the cover� Battery installation instructions • Make sure the battery is in...
Page 14 - Precautions For installation; image� The image may become faded and not bright�; Projector Installation and Setup; installation options as below�; fixture screw for ceiling mount; The maximum length of screws is 18mm�
14 DU6871/DW6851/DX6831 DLP Projector - User's Manual Precautions For installation The high quality display effect can be guaranteed only when the projector is correctly installed� Generally, the light source facing the screen should be reduced or eliminated as much as possible� The contrast of the ...
Page 15 - Cautions on ventilation
15 DU6871/DW6851/DX6831 DLP Projector - User's Manual Cautions on ventilation The product is a high-brightness projector. The intake with filters are located on the front and right sides to provide sufficient air for cooling. The projector has two vents on the back for cool air discharging� Make sur...
Page 16 - Lens Shift; Vertical lens shift; The project installed on the desk can move up and down by 50% (0�5V)�; Vertical shift; Horizontal lens shift; projector�
16 DU6871/DW6851/DX6831 DLP Projector - User's Manual Lens Shift The DU6871/DW6851/DX6831 projector has the lens shift feature and the image can be vertically shifted without moving the projector� The lens shift bit is shown in the percentage of the screen height� The project installed on the desk c...
Page 17 - Connecting the Projector to Other Equipment; Connecting to the personal computer; DisplayPort and Component Video Connector cable�
17 DU6871/DW6851/DX6831 DLP Projector - User's Manual Connecting the Projector to Other Equipment Follow the instructions below to connect the DU6871/DW6851/DX6831 projector to the video source, external control equipment (if any) and AC power supply� When connecting to the equipment, use the correc...
Page 18 - Connecting to the control equipment; Wired remote control:
18 DU6871/DW6851/DX6831 DLP Projector - User's Manual Connecting to the control equipment The projector has the following control port for connecting to the control equipment: 3D sync signal transmitter (IR) • HDBaseT/LAN (Network control): The projector supports network control� LAN and HDBaseT sha...
Page 19 - Connecting to the Screen Trigger; Screen
19 DU6871/DW6851/DX6831 DLP Projector - User's Manual Connecting to the Screen Trigger If your projection system includes the Electric projection screen and other 12V trigger device, you can connect these devices to the 12V trigger to output and configure the output 12V signal settings, such as auto...
Page 20 - Connecting to the External HDBaseT Transmitter; Hub; HDBaseT transmitter
20 DU6871/DW6851/DX6831 DLP Projector - User's Manual Connecting to the External HDBaseT Transmitter The projector has a built-in HDBaseT signal receiver� With the HDBaseT Transmitter (optional), the video, RS-232 and LAN signals can be sent to the projector via a single RJ-45 cable� If the HDBaseT ...
Page 21 - Connecting to AC Power Supply; outlet�; Turn on; or; Starting to Use the Projector Setup
21 DU6871/DW6851/DX6831 DLP Projector - User's Manual Connecting to AC Power Supply The AC power cord is included in the box, plug the power cord to the AC socket (AC100V- 240V) on the back of the projector and plug another end of the AC power cord to the AC outlet� Note: • Make sure the power syste...
Page 22 - Changing the OSD Language; confirm the selection.; Adjusting the projection mode; mode and select ALIGNMENT→ Projection Mode
22 DU6871/DW6851/DX6831 DLP Projector - User's Manual Changing the OSD Language The project can show the English, French, Spanish, German, Portuguese, Simplified Chinese, Traditional, Japanese and Korean menu. Press MENU to show OSD and press◄► to select control items. Press▲▼ to select language, ▲▼...
Page 23 - on the projected image�; Press; the projected image size�; Focus; Press ZOOM+ or - on the control panel to make the screen clear�
23 DU6871/DW6851/DX6831 DLP Projector - User's Manual Lens Shift The projector has the features to control the screen size, location and focusing� Press the Lens Shift button on the control panel or the remote control to shift, zoom in/out or focus on the projected image� Vertical lens shift Press ▲...
Page 24 - Starting to Use the Projector-Operation; Select the input source; Press ▲ or ▼ to select the item of the sub-menu.; ENTER
24 DU6871/DW6851/DX6831 DLP Projector - User's Manual Starting to Use the Projector-Operation Select the input source Push the INPUT button on the remote control to directly select the input source� Select the aspect ratio Push ASPECT to adjust the aspect ratio of the image� Use OSD 1� Push the MENU...
Page 25 - OSD Menu Tree; Main menu
25 DU6871/DW6851/DX6831 DLP Projector - User's Manual OSD Menu Tree Main menu Sub-menu INPUT Input Selection HDMI DVI VGA Component/BNC DisplayPort HDBaseT Test Pattern Color Bar, Crosshatch, Burst, Red, Green, Blue, White, Black, H Ramp Uncorrected Red, Uncorrected Green, Uncorrected Blue, Uncorrec...
Page 30 - Input Lock; The default is Startup logo�; Auto Sync Adjust; time�
30 DU6871/DW6851/DX6831 DLP Projector - User's Manual RGB-Video: Use the RGB color space and set the black to 16, 16, 16 RGB while set the white to 235, 235, 235 (if a 8-bit image is used) to correspond to the luminance value defined in the digital component standard� • Input Lock You can use this f...
Page 31 - Use ◄► to select a picture model.
31 DU6871/DW6851/DX6831 DLP Projector - User's Manual OSD Menu - PICTURE Picture ModeContrast Hue BrightnessSaturation Sharpness Color Noise Reduction < 100 > Enter Overscan Aspect Ratio Auto Sync VGA Setup < Off > < 16:10 > Enter Execute INPUT SERVICE ALIGNMENT CONTROL LAMP PICTUR...
Page 33 - Mode; Use the ◄► function to select the single-lamp or dual-lamp mode.; Power
33 DU6871/DW6851/DX6831 DLP Projector - User's Manual OSD Menu - LAMP ModePower Lamp 1 Status High Altitude Custom Power Level Enter Lamp 2 Status < -------- > < Off > Eco OnOff INPUT SERVICE ALIGNMENT CONTROL LAMP PICTURE • Mode Use the ◄► function to select the single-lamp or dual-lamp...
Page 34 - High Altitude; the default setting is OFF�; Custom Power Level; selected (highlighted) in the Normal or ECO mode�; Lamp 1 Status
34 DU6871/DW6851/DX6831 DLP Projector - User's Manual • High Altitude Use this function to control the cooling fan of the projector� You can set it to OFF or ON, the default setting is OFF� Normally, the projector can operate normally when this function is set to OFF� The projector detects ambient t...
Page 35 - Projection Mode; vertical shift of the lens�
35 DU6871/DW6851/DX6831 DLP Projector - User's Manual OSD Menu - ALIGNMENT Projection Mode Center Lens Lens ControlLens Memory < Front > Digital Alignment Keystone H/V Alignment Enter Enter Execute Enter Enter INPUT SERVICE ALIGNMENT CONTROL LAMP PICTURE < 0 > • Projection Mode Use the ◄...
Page 36 - Load Memory; press the Enter button to execute the lens setting�; Edit Memory; settings including the lens shift, zoom and focus�
36 DU6871/DW6851/DX6831 DLP Projector - User's Manual • Lens Memory This projector supports the lens zooming, focusing and lens shift memory function� Up to 10 sets of settings can be stored� The name setup in the memory can be input from the keyboard simulator� You can store the current lens positi...
Page 37 - Change the name of the memory:; button. Otherwise, Use ▲▼◄► to move the cursor away and do not cancel the; Center Lens
37 DU6871/DW6851/DX6831 DLP Projector - User's Manual Change the name of the memory: The default name is Memory_number� You can use the Back space button to delete the characters in the dialog box� The Caps button is used to selected uppercase and lowercase characters. Use ▲▼◄► to select the charact...
Page 38 - Use ◄► to enlarge the projected image.
38 DU6871/DW6851/DX6831 DLP Projector - User's Manual • Digital Alignment Projection Mode Center Lens Lens ControlLens Memory < Front > Digital Alignment Enter Keystone H/V Alignment Enter Enter Execute Enter INPUT SERVICE ALIGNMENT CONTROL LAMP PICTURE < 0 > Digital Alignment Digital Zo...
Page 39 - Standby Mode; The projector can be turned on using the remote control, RS-232; Auto Power Off; function to OFF if you do not need to use it�
39 DU6871/DW6851/DX6831 DLP Projector - User's Manual OSD Menu - CONTROL Standby ModeAuto Power off Network Auto Power On Startup Logo RS232 Trigger < Off > Enter Dynamic Black Auto Search Language 3D < Off > < Off > EnterEnter INPUT SERVICE ALIGNMENT CONTROL LAMP PICTURE < Stan...
Page 40 - Network; Use ▲▼ and the Enter button to select Network and network settings:; Network; IP Address
40 DU6871/DW6851/DX6831 DLP Projector - User's Manual INPUT SERVICE ALIGNMENT CONTROL LAMP PICTURE Network IP AddressSubnetGatewayDHCPApply < xxx.xxx.xxxx.xxx > < 255.255.255.0 > < xxx.xxx.xxxx.xxx > Off Apply Standby ModeAuto Power off Network Auto Power On Startup Logo RS232 Trig...
Page 41 - Startup Logo; Use the ◄► function to turn on/off the Startup Logo.; Trigger; Use the ◄► function to turn on/off Auto Search.; Dynamic Black; Use the ◄► function to turn on/off Dynamic Black.
41 DU6871/DW6851/DX6831 DLP Projector - User's Manual HDBaseT: Transmission is conducted from the external HDBaseT to the RJ-45/ HDBaseT port on the projector� The transmission rate is switched to 9600� Note: • When the Standby Mode is set to the Eco Mode, the LAN and RS-232 control function is turn...
Page 42 - Language
42 DU6871/DW6851/DX6831 DLP Projector - User's Manual 3D Format: Select this option and press the Enter button to enable 3D replay and set 3D option� Off: Turn off the 3D Display Mode� When Auto, Side by Side, Top/Bottom or Frame Sequential is selected, the 3D Mode will be turned on� To turn off the...
Page 43 - Pixel Clock
43 DU6871/DW6851/DX6831 DLP Projector - User's Manual OSD Menu - SERVICE Serial Number :Software Verison : Signal Format Active SourcePixel Clock XXXXXXX Lamp 1 Time H/V Refresh Rate : Lamp 2 Time 64.977 MHZ VGA MPxx-0Dxx-UDxx-RDxx-SExx-PDxx-xxxx 1024x768 @60Hz 168 HRS 168 HRS H: 49.578 KHZ V: 60 HZ...
Page 44 - Replacing the Lamps; How to replace the projector lamp
44 DU6871/DW6851/DX6831 DLP Projector - User's Manual Replacing the Lamps Depending on the lamp model, the lamp life is affected by the installation method and frequency of the lamp on/off operation� It is suggested to replace the projector lamp when the lamp is used for approximately 1500 hours to ...
Page 45 - Installing or Removing the Projection lens
45 DU6871/DW6851/DX6831 DLP Projector - User's Manual 1� Remove the lens cover if the lens is not installed in the projector� Pull the edge of the lens cover with one hand ( ① ), so that the lens cover can be removed easily with the other hand ( ② )� 2 1 2� If the lens is installed in the projector,...
Page 46 - best projector performance�; Replace the filter on the left side; from the front left side (; Replace the filter on the right side; from the front right side (
46 DU6871/DW6851/DX6831 DLP Projector - User's Manual Replacing the filter The dirtiness and replacement interval of the filter may vary depending on the dustiness of the environment. It is recommended to conduct regular check of the filter to achieve the best projector performance� Note: • Dirty fi...
Page 47 - Changing the Color Wheel
47 DU6871/DW6851/DX6831 DLP Projector - User's Manual Changing the Color Wheel 1� The color wheel cover is located on the top cover of the projector� Loosen the screw of the color wheel cover with a screwdriver, and open the color wheel cover� 2� Loosen the 4 screws on the color wheel and remove the...
Page 48 - LED indicator status; Power LED indicator
48 DU6871/DW6851/DX6831 DLP Projector - User's Manual LED indicator status Power LED indicator LED display Projector status Recommended actions Off AC power off Use the AC power to turn on the projector Flashing Green Ready to turn on the projector Wait for the projector to display Orange Projector ...
Page 50 - Outline Dimensions
50 DU6871/DW6851/DX6831 DLP Projector - User's Manual Outline Dimensions 504mm 520mm R/Pr G/Y B/Pb HDBaseT / LAN 3D Sync Out RGB IN RS-232 USB TRIGGER H V Display Port DVI-D WIRE RGB OUT HDMI MENU EXIT POWER INPUT AUTO SYNC ASPECT FOCUS LENS SHIFT ZOOM SHUTTER CENTER LENS 193mm
Page 51 - Supported Signal Input Timing; Computer
51 DU6871/DW6851/DX6831 DLP Projector - User's Manual Supported Signal Input Timing Computer Signal type Resolution Frame rate Component BNC VGA DVI-D HDMI/HDBaseT DisplayPort RGBHV YUV RGBHV YUV RGB YUV PC 640x480 59�94 V V V V V 640x480 75 V V V V V 640x480 85 V V V V V 800x600 75 V V V V V 800x60...
Page 52 - D Signal Input Mode
52 DU6871/DW6851/DX6831 DLP Projector - User's Manual 3D Signal Input Mode Signal type Resolution Frame rate Frame Packing Side by Side Top/Bottom Farm Sequential PC 640x480 59�94 V 848x480 47�95 V 848x480 59�94 V 1024x768 60 V 1280x720 47�95 V 1280x768 59�87 V 1280x800 59�81 V 1280x960 60 V 1280x10...
Page 53 - dealer of Vivitek for details�
53 DU6871/DW6851/DX6831 DLP Projector - User's Manual DU6871/DW6851/DX6831 lens series 7 types of optional electric lenses are available for the projector� Contact the authorized dealer of Vivitek for details� Part Number Lens Name F Number Focal Length Zoom Ratio Screen Size Throw Ratio DU6871 DW68...
Page 54 - About the VIVITEK support; North America; 上海浦东世纪大道; Asia and Taiwan
54 DU6871/DW6851/DX6831 DLP Projector - User's Manual About the VIVITEK support If you have any problems with the setting or operation of the projector, refer to Chapter "Status LED indicator" on page 48. If you cannot find solutions from this user guideline, please contact us using the cont...
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