BenQ W20000/w5000 Digital Projector Home Cinema Series User Manual

  41
  Additional information
EnglishAdditional information
Care of the projector
Your projector needs little maintenance. The only thing you have to do on a regular basis is keep the lens clean 
and clean or replace the air filter. Never remove any parts of the projector except the lamp or the air filter. 
Contact your dealer or local BenQ Customer Service Centre if the projector fails to operate as expected.
Cleaning the lens
Clean the lens whenever you notice dirt or dust on the surface. Before you...

42 Additional information  
EnglishTo clean the filter
1.Shut down the projector if turned on and wait 
until the fans stop running. 
2. Release the bottom edge of the filter cover (right 
side of projector) by gently pulling the tabs on the 
lower ends of the panel (as illustrated). 5. Use a small vacuum cleaner (designed for 
computers and other office equipment) or use a 
soft brush (such as a clean artist’s paintbrush) to 
vacuum or sweep the dust away. 
•If the dirt is difficult to remove or the...

  43
  Additional information
EnglishLamp information
Getting to know the lamp hour
When the projector is in operation, the duration (in hours) of lamp usage is 
automatically calculated by the built-in timer. The method of calculating the 
equivalent lamp hour is as follows:
Equivalent lamp hour 
= 1 (hours used in Whisper mode) + 3/2 (hours used in Normal mode)
See Setting Lamp Power as Whisper below for more information on 
Whisper mode.
To obtain the lamp hour information:
1. Press MENU and then...

44 Additional information  
EnglishTiming of replacing the lamp
When the Lamp indicator lights up red or a message appears suggesting it is time to replace the lamp, please 
install a new lamp or consult your dealer. An old lamp may cause a malfunction in the projector and in some 
instances the lamp may explode.
The Lamp indicator light and Temperature warning light will light up if the lamp becomes too hot. Turn the 
power off and let the projector cool for 45 minutes. If the Lamp or Temp indicator...

  45
  Additional information
English1. Turn the power off and disconnect the projector 
from the wall socket. Turn off all connected 
equipment and disconnect all other cables. See 
Turning the power off  on page 34 for details.
2. Slightly lift the projector up. Loosen the screws on 
the lamp cover (located on the left side).
3. Remove the lamp cover. 
4. Loosen the screws that hold the lamp to the 
projector. If the screws are not loosened 
completely, they could injure your fingers. It is 
strongly...

46 Additional information  
EnglishResetting the lamp timer
Do not reset the lamp timer if the lamp has not been replaced as this could cause damage.
1. After the startup logo, press MENU and then press  /  until the 
Advanced Setup menu is highlighted.
2. Press   to highlight Lamp and press ENTER. The Lamp page displays.
3. Highlight Reset Lamp Timer and press ENTER. A warning message 
displays asking if you want to reset the lamp timer. Highlight Reset and 
press ENTER. The lamp time will be reset to...

  47
  Additional information
EnglishIndicators
There are three indicators which show the status of the projector. Check the following for information about the 
indicator lights. If there is anything wrong, turn the projector off and contact your dealer.
When the projector is in a normal state, ...
When the projector is in an abnormal state, ...Power Temp Lamp Status & Description
Red Red RedMain power switch on
Orange Off OffStand-by mode
Green
FlashingOff OffPowering up
Green Off OffNormal operation...

48 Additional information  
EnglishTroubleshooting
ProblemCauseRemedy
The projector does not 
turn on.There is no power from the power 
cable.Plug the power cable into the AC inlet on the 
rear of the projector, and plug the power cable 
into to the power outlet. If the power outlet 
has a switch, make sure that it is switched on. 
(See page 19)
The power switch is not in the on 
position.Put the power switch in the on position. (See 
page 19)
Attempting to turn the projector on 
again during the cooling...

  49
  Additional information
EnglishSpecifications
All specifications are subject to change without notice. 
Dimensions
492 x 180 x 420 mm (W x H x D)
Unit: mm
Optical
Projection systemSingle-chip DLPTM system.
DMD chip0.95 DLP (1920 x 1080)
LensF=2.4 to 2.7, f=38.87 to 46.63 mm
Projection screen size41 to 300
Lamp200W
Electrical
CompatibilityPC: 640 x 400 to 1920 x 1080 (16:9)
Video: NTSC, PAL, SECAM, YPbPr NTSC(480i)/480p/PAL(576i)/576p, 
HDTV (720p/1080i)
DDC 2B
Color SpaceColor Gamut > 55% NTSC...

50 Additional information  
EnglishTiming chart
Supported timing for RGBHV input (Analog or Digital PC signals)
FormatResolutionRefresh rate(Hz)H. Freq.(KHz)Pixel Freq.(MHz)
720 x 400 720 x 40070 31.469 28.322
85 37.9 35.5
640 x 480 640 x 48060 31.469 25.175
72 37.861 31.5
75 37.5 31.5
85 43.269 36
800 x 600 800 x 60050 31.3 32.051
56 35.156 36
60 37.879 40
72 48.077 50
75 46.875 49.5
85 53.674 56.25
848 x 480 848 x 480 60 31.02 33.75
1024 x 768 1024 x 76860 48.363 65
70 56.476 75
75 60.023 78.75
85...