Vivitek Projector DU6851 User Manual

41
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	turned	off.	
Therefore,	the	projector	can	only	be	turned	on	using	the	remote	control	or	the	button	on	the	projector.	
Before	using	RS232	or	LAN	control,	set	the	Standby	Mode	to	Standard.
• Startup Logo
Use the ◄► function to turn on/off the Startup Logo.
•...

42
3D Format: Select this option and press the Enter button to enable 3D replay and s\
et 
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 3D Mode, 
select "Off" and press the Enter button.
Auto: Enable the 3D format to automatically detect the formats of Frame Packi\
ng, 
Top/Bottom, Side by Side and Frame Packing�
This function may only be enabled for the input signal below
 -The...

43
OSD Menu - SERVICE
 
Serial Number :
Software Verison :
Signal Format
Active Source
Pixel 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
Blue Only
Power On Time
Factory
<          Off           >
168hrs
Execute
Model : DU6871
INPUTSERVICEALIGNMENTCONTROLLAMPPICTURE
The functions of the projector are related to the display of some basic \
information of the 
projector �
• Model
Projector...

44
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 ensure high projection quality� In the OSD Menu, the lamp 
using time can be checked from the "OSD Menu - Service". The lamp should be replaced when 
the projected image is obviously darkened� Contact your local dealer to purchase the authorized 
new...

45
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, press the release button and support the lens 
with one hand� Turn the lens counterclockwise to loosen it and pull it from the holder �
3� Align the "" symbol on the lens label with the "" symbol on the top of the body (align 
to the center of...

46
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	filter	may	reduce	the	air	flowing	into	the	projector	and	the	temperature	in	the	projector	may	rise	as	a	
result.	This	may	activate	the	protection	mechanism	or	damage	the	components.
•	 Check,	clean	and	replace	the	filter	regularly.
•	 It	is	recommended	to...

47
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 color wheel as sho\
wn in the 
figure below.

3� Put in the color wheel to be installed and tighten the 4 screws on the c\
olor wheel�

4� Place the lamp cover and use the screwdriver to tighten the screw on the\
 color wheel cover � 
DU6871/DW6851/DX6831...

48
LED indicator status
Power LED indicator
LED displayProjector statusRecommended actions
OffAC power offUse the AC power to turn on the projector
FlashingGreenReady to turn on the 
projectorWait for the projector to display
OrangeProjector coolingWait till the cooling is complete (~120 seconds)
Light upRedStandby ModeTo turn on the projector, press the ON button on the 
remote control or the Power button on the control panel�
GreenProjector on
Status LED indicator
LED displayProjector statusRecommended...

49
DU6871/DW6851/DX6831 specifications
ModelDU6871DW6851DX6831
Display typeDLP
Typical brightness7300 ANS  lumens7000 ANS  lumens8000 ANS  lumens
Native resolutionWUXGA (1920x1200)WXGA (1280x800)XGA (1024x768)
Maximum resolutionWUXGA (1920x1200) @ 60Hz
Contrast3000:1
Lamp life and type2000/2500 hours (Standard/Eco mode), 400Wx2
Throw Ratio*1�73-2�27:11�81-2�38:11�79-2�35:1
Image Size*40~500"40~500"40~500"
Projection Distance*1�83-14�9m
(6-49ft)
1�93-15�64m
(6�3-51�31ft)
1�79-14�54m...

50
Outline Dimensions
504mm
520mm 
R/PrG/YB/Pb
HDBaseT / LAN
3D Sync Out
RGB IN
RS-232 USB
T RIGGER H
V
Display PortDVI-D
WIRE
RGB OUT
HDMI
MENU
EXIT
POWER
INPUTA
UT O 
SY NC ASPEC T
FOCUS
LENS
SHIFT Z
OOM
SHUTTER
CENTER
LENS
193mm 
DU6871/DW6851/DX6831 DLP Projector - User's Manual