BenQ Projector SW921 User Manual

							  61
  Additional information
English
Additional 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. Never remove any parts of the projector except  the lamp. Contact your dealer or local customer 
service center 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 attempt to clean the lens, 
turn the projector off, unplug the power cable, an d leave it several minutes to cool completely.
1. Use a canister of compressed air to remove dust. (Available from building hardware or photographic  suppliers.)
2. If there is stubborn dirt or smudge marks, use  a proper photographic lens brush or moisten a clean 
soft lens cloth with lens cleaner  to gently wipe the lens surface.
3. Never use any type of abrasive pad,  alkaline/acid cleaner, scouring powder, or volatile solvent, such as 
alcohol, benzene, thinner or insecticide. Using su ch materials or maintaining prolonged contact with 
rubber or vinyl materials may result in damage  to the projector surface and cabinet material.
Never touch the lens with your finger or rub the lens with abrasive materials. Even paper towels can damage 
the lens coating. Only ever use a proper photographi c lens brush, cloth, and cleaning solution. Do not 
attempt to clean the lens while the pr ojector is switched on or is still hot from previous use. Be sure to 
turn off the projector and let it cool down  completely before cleaning the lens.
Cleaning the projector case
Before you attempt to clean the case, turn the projecto r off, unplug the power cable, and leave it several 
minutes to cool completely.
1. To remove dirt or dust, wipe the case with a soft, dry, lint-free cloth.
2. To remove stubborn dirt or stains, moisten a soft  cloth with water and a neutral detergent. Then 
wipe the case.
Never use wax, alcohol, benzene,  thinner or other chemical detergents. These can damage the case.
Storing the projector
If you need to store the projector for an extended time, please:
1. Make sure the temperature and humidity of the st orage area are within the recommended range for 
the projector. Please refer to the Spec. page in this manual or consult your dealer about the range.
2. Retract the adjuster feet.
3. Remove the batteries from the remote control.
4. Pack the projector in its original packing or equivalent.
Transporting the projector
It is recommended that you ship the projector with its original packing or equivalent. 
						

							62 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.
To obtain the lamp hour information:
1. Press  MENU/EXIT  and then press  /  until the  System Setup: Advanced menu is highlighted.
2. Press   to highlight  Lamp Settings and press MODE/ENTER . The Lamp Settings  page is 
displayed.
3. Press  to highlight  Lamp Timer and press MODE/ENTER . The Lamp Timer  page is displayed.
4. To leave the menu, press  MENU/EXIT.
Extending lamp life
The projection lamp is a consumable item. To keep the lamp life as long as possible, you can do the 
following settings via the OSD menu.
•  Setting Lamp Mode as Economic
Using Economic  mode reduces system noise and power consumption. If the  Economic mode is 
selected, the light output will be reduced  and result in darker projected pictures.
Setting the projector in  Economic mode also extends the lamp life. To set  Economic mode, go to the 
System Setup: Advanced  > Lamp Settings > Lamp Mode menu and press MODE/ENTER . Press 
 to select Economic and press MODE/ENTER .
• Setting Auto Power Off
This function allows the projector to turn off automa tically if no input source is detected after a set 
period of time.
To  s e t   Auto Power Off, go to the  System Setup: Basic > Operation Settings  > Auto Power Off 
menu and press  /  to select a time period. The ti me period can be set for 3 minutes or 10 to 30 
minutes in 5-minute increments. If the preset time lengths are not suitable for your presentation, select 
Disable . The projector will not automatically  shut down in a certain time period. 
						

							  63
  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. Go to http://www.BenQ.com  for a replacement lamp.
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 still lights up after 
turning the power back on, please contact your dealer. See  Indicators on page 67 for details.
The following Lamp warning displays will remind you to change the lamp.
XXXX shown in the above messages are numbers that vary depending on different models.
StatusMessage
Install a new lamp for optimal performance. If the projector is 
normally run with  Economic selected (See  Getting to know the 
lamp hour on page 62 ), you may continue to operate the projector 
until the next hour lamp warning appears.
Press  MODE/ENTER  to dismiss the message.
It is strongly recommended that you replace the lamp at this age. 
The lamp is a consumable item. Th e lamp brightness diminishes with 
use. This is normal lamp behavior. You can replace the lamp 
whenever you notice that the br ightness level has significantly 
diminished.
Press  MODE/ENTER  to dismiss the message.
The lamp MUST be replaced before the projector will operate 
normally.
Press  MODE/ENTER  to dismiss the message.
OK
Replace lamp soon
Lamp hour > XXXX hours
Order a new lamp at www.BenQ.com
Notice
OK
Order a replacement lamp
Lamp hour > XXXX hours
Order a new lamp at www.BenQ.com
Notice
OK
Out of lamp usage time
Replace lamp
then reset the lamp timer
Order a new lamp at www.BenQ.com
Notice
OK
Replace lamp now
Lamp hour 
> XXXX hours
Order a new lamp at www.BenQ.com
Notice 
						

							64 Additional information  
EnglishReplacing the lamp
•  To reduce the risk of electrical
 shock, always turn the projector off and disconnect the power cable 
before changing the lamp.
•  To reduce the risk of severe burns, allow the projector  to cool for at least 45 minutes before replacing the 
lamp.
•  To reduce the risk of injuries to fingers and damage to internal components, use caution when removing  lamp glass that has shattered into sharp pieces.
•  To reduce the risk of injuries to  fingers and/or compromising image quality by touching the lens, do not 
touch the empty lamp compartmen t when the lamp is removed.
•  This lamp contains mercury. Consult your local haza rdous waste regulations to dispose of this lamp in a 
proper manner.
•  To assure optimal performance from the projector, it is recommended that you purchase a qualified  projector lamp for lamp replacement.
•  If lamp replacement is performe d while the projector is suspended upside-down from the ceiling, make 
sure that no one is underneath the lamp socket to avoid any possible injury or damage to the human eyes 
caused by fractured lamp.
•  Ensure good ventilation when ha ndling broken lamps. We recommend that you use respirators, safety 
glasses, goggles or face shield and wear  protective clothing such as gloves. 
						

							  65
  Additional information
English1. Turn the power off and disconnect the 
projector from the power outlet. Turn off all 
connected equipment and disconnect all other 
cables. See  Turning the projector off on 
page 50  for details.
2. Loosen the screw on the lamp cover.
3. Remove the lamp cover.  4. Loosen the screw that hold the lamp to the 
projector. Disconnect the lamp connector 
from the projector.
5. Lift the handle so that  it is perpendicular to 
the lamp. Use the handle to slowly pull the 
lamp out of the projector.
 Notes
•  Pulling it too quickly may cause the lamp to  break and scatter broken glass in the projector. 
To reduce the risk of  injuries to fingers and 
damage to internal co mponents, use caution 
when removing lamp glass that has shattered.
•  Do not place the lamp in locations where water  might splash on it, childre n can reach it, near or 
above heat sources, or near flammable 
materials.
•  Do not insert your hand  into the projector when 
the lamp is removed. If you touch the optical 
components inside, it could cause blurred 
images.
1
22
1 
						

							66 Additional information  
English
Resetting the lamp timer
Do not reset the lamp timer if the lamp has no
t been replaced as this could cause damage.
1. After the start-up logo, press MENU/EXIT and then press  /  until the  System Setup: 
Advanced  menu is highlighted.
2. Press   to highlight  Lamp Settings and press MODE/ENTER . The Lamp Settings  page is 
displayed.
3. Highlight  Reset Lamp Timer and press  MODE/ENTER. A warning message is displayed asking if 
you want to reset the lamp timer. Highlight  Reset and press  MODE/ENTER . The lamp time will be 
reset to 0.
6. Insert the replacement lamp. Make sure it is 
pushed fully and firmly in place.
7. Ensure the handle is fully locked in place.  Tighten the screw securing the lamp box.
 Notes
•  Please be careful to not over-tighten the screws.
•  Loose screws may cause a bad connection, which  could result in malfunction.
8. Replace the lamp cover.
9. Tighten the screws on the lamp cover.
10.  Reapply power and turn the projector back  on.
1
2 
						

							  67
  Additional information
EnglishIndicators
LightStatus 
POWERTEMPLAMP
Pow e r  ev e n t s
Orange Off OffStand-by mode.
Green
Flashing Off OffPowering up.
Green
OffOffNormal operation.
Orange
Flashing Off OffNormal power-down cooling.
Red
Flashing Red
Flashing Red
FlashingDownload
Red
Flashing Off OffScaler shutdown fail (data abort)
Red
OffRedScaler reset fail (video projector only)
Off Red OffLAN download fail
OffGreen OffLAN download OK
Green Off OrangeLamp Life exhausted
Burn-in events
Green OffOffBurn-in ON
Green Green GreenBurn-in OFF
Lamp events
Off OffRedLamp error in normal operation
Off OffOrange
FlashingLamp is not lit up
Thermal events
Red RedOffFan 1 error (Fan speed is +25% outside the desired speed)
Red Red
Flashing OffFan 2 error (Fan speed is +25% outside the desired speed)
Red Green OffFan 3 error (Fan speed is +25% outside the desired speed)
RedGreen
Flashing OffFan 4 error (Fan speed is +25% outside the desired speed)
Red
Flashing Red OffFan 5 error (Fan speed is +26% outside the desired speed)
Red
Flashing Red
Flashing OffFan 6 error (Fan speed is +27% outside the desired speed)
Green Red
OffTemperature 1 error (exceeding temperature limit) 
						

							68 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 23.)
Attempting to turn the projector on 
again during the cooling process. Wait until the cooling down process has 
completed.
The lamp cover is not securely 
attached. Correctly attach the lamp cover. 
(See page 
64.)
No picture. The video source is not turned on or 
connected correctly.
Turn the video source on and check that the 
signal cable is connected correctly. 
(See page 
19.)
The projector is not correctly 
connected to the input source device. Check the connection. 
(See page 19.)
The input source has not been 
correctly selected. Select the correct input source with the 
Source keys on the remote control or 
SOURCE 
on the projector.  (See page 24.)
Image is unstable. The connection cables are not 
securely connected to the projector 
or the signal source. Correctly connect the cables to the 
appropriate terminals. 
(See page 19.)
Picture is blurred. The projection lens is not correctly 
focused.
Adjust the focus of the lens using the focus 
ring. 
(See page 29.)
The projector and the screen are not 
aligned properly. Adjust the projection angle and direction as 
well as the height of this projector if 
necessary. 
(See page 29.)
Remote control does 
not work correctly. The batteries are out of power.
Replace both of the batteries with new ones. 
(See page 7.)
There is an obstacle between the 
remote control and the projector. Remove the obstacle. 
(See page 7.)
You are too far away from the 
projector. Stand within 8 meters (26.2 feet) of the 
projector. 
(See page 7.)
3D content does not 
display correctly The 3D glasses are out of battery. Recharge the 3D glasses.
The settings in the 
3D menu are not 
set correctly. Correctly set the settings in the 
3D menu. 
Your Blu-ray Disc is not in 3D 
format.Use a 3D Blu-ray Disc and try again.
The input source has not been 
correctly selected. Select the correct source with the 
SOURCE 
key on the projector or remote control.  
						

							  69
  Additional information
EnglishSpecifications
All specifications are subject  to change without notice. 
 Optical
Projection systemSingle-chip DLP™ system
Native resolutionSX920: 0.55 DLP (1024 x 768); 
SW921: 0.65 DLP (1280 x 800);
SU922: 0.67 DLP (1920 x 1200)
LensF = 2.45 to 3.07, f = 15.78 to 25.12 mm
Projection screen size60 to 240
Lamp370W
 Electrical
CompatibilityPC
SX920/SW921: 640 x 480 to 1600 x 1200
SU922: 640 x 480 to 1920  x 1200 
Video
NTSC, PAL, SECAM, YPbPr (480i/480p/576i/576p/720p/1080i/1080p), 
HDTV (720p/1080i/1080p)
Color SpaceTy p .  =  6 0 %  N T S C
 Te r m i n a l s
InputAnalog RGB: D-Sub 15-pin (female)  x 1
HDMI (V. 1.4a) x  2
MHL (V. 2.1) x 1 (shared with HDMI input)
S-Video: Mini DIN 4pin x 1
Component Video (Y/C
B/CR + Y/PB/PR)  x 1 (shared with RGB input)
Composite Video  x 1
RCA Audio in  x 1
PC Audio in  x 1
Microphone x 1
RJ45 LAN x 1
OutputAnalog RGB: D-Sub 15-pin (female)  x 1
Audio out  x 1
Speaker: 10W  x 2
ControlSerial Connector: RS232 9 pin (male)
USB (Type-A) x 1 
USB (Mini B type)  x 1
IR receiver  x 2
LAN  x 1 (RJ45)
12VDC Trigger x 1 (Max. 0.5 A)
 General characteristics
Projector weight4.9 kg (10.80 lbs)
Pow e rVAC 100-240V, 6 A, 50-60Hz
Power consumptionMax. 594 W; Standby < 0.5 W; Network Standby < 3 W
Operating temperature0 °C to 40 °C (without condensation)
Operating humidity10% - 90% (without condensation) 
						

							70 Additional information  
English Dimensions
411.4 mm 
x 267.5 mm  x 118.4 mm (W x D  x H)
 Ceiling mount installation
267.5 411.4
118.4
Unit: mm
205.94
411.88
135
267.5
75.53
549.7 582.7
407.7
289.7
291.2065.94
35.74
31
164.1172.26
3.5Ceiling mount screws: M5 (Max. L = 25 mm; 
 Min. L = 20 mm)
Unit: mm