BenQ Pb2250 Digital Projector Mobile Series Users Manual

Operation 27
4. Advance menu
FUNCTIONDESCRIPTION
Mirror
The projector can be installed on a ceiling or behind a screen, or with one 
or more mirrors. Contact your dealer for the ceiling mount bracket 
(optional accessory) if you need to install the projector on your ceiling.
For more information, refer to page  11.
Blank TimeSets the image blank time when the  Blank feature is activated, once 
elapsed the image will return to the screen.
Source Scan
Sets whether the projector searches au tomatically for...

Operation 28
5. Information Menu
This menu shows you the current operating status of the projector.  
FUNCTIONDESCRIPTION
SourceShows the current signal source.
ResolutionShows the native resolution of the input signal.
Preset ModeShows the selected mode in   Picture menu.
Lamp HourDisplays the number of hours the lamp has been used.
SystemShows the Video input system format, NTSC, SECAM or PAL. 

Maintenance 29
Maintenance
Care of the projector
Your projector needs little maintenance. The only thing you need to do on a regular basis is 
to keep the lens clean.
Never remove any parts of the projector except the lamp. Contact your dealer if other parts 
need replacing.
Cleaning the lens
Clean the lens whenever you notice dirt or dust on the surface. 
Q Use a canister of compressed air to remove dust.
Q If there is dirt or smears, use lens-cleaning paper or moisten a soft cloth with lens cleaner to...

Maintenance 30
Lamp information
Warning message
When the Lamp indicator lights up red or a message appears suggesting it is time to replace 
the lamp, please install a new lamp. An old lamp may cause a malfunction in the projector 
and in some instances the lamp may break.
For more detailed information on lamp warnings, please refer to page 32.
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....

Maintenance 31
This lamp contains mercury. Consult your local hazardous waste regulations to dispose of 
this lamp in a proper manner.
Step 1. Turn the power off and disconnect the projector from the wall socket.
Step 2. Protect the projectors surface by clearing a flat open area on your desk and placing a 
soft item on the desk for padding.
Step 3. Turn the projector over. Then loosen the screws and remove the lamp cover. If the 
lamp is hot, avoid burns by waiting for 45 minutes until the lamp has...

Maintenance 32Step 9. Resetting the lamp counter
Do not reset if the lamp is not replaced as this could cause damage.
i. Press and hold the 5 button on the projector for 5 
seconds to display the total used lamp time.
ii. Press Auto on the projector or on the remote control to 
access the lamp hour timer. An adjustment message will appear.
iii. Press W or X to reset lamp hours and press Auto to reset.
Temperature information
When the Temperature warning light flashes, it is warning you of the following...

Maintenance 33
--
The Power indicator light is flashing during powering up.
--
The projector is under normal operation.
Lamp events
--
It is warning you that lamp usage has exceeded 2000 / 3000 
(Economic mode) hours. Replace the projection lamp with a 
new one immediately.
--The lamp is not properly attached or the lamp is damaged. 
Please contact your dealer for assistance.
Thermal events
-The projector has shutdown automatically. If you try to re-start 
the projector, it will shutdown again. Please...

Maintenance
34
Service information
Accessories (included in the standard package) 
Alternative accessories (vary by regions)
Optional accessories (not incl uded in the standard package)
Ordering parts or getting information
For product information, product assistance, se rvice information, or to order accessories, 
please visit the BenQ Corporation website at http://www.BenQ.com.
Description  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  Part Number...

Troubleshooting 35
Troubleshooting
THE PROJECTOR DOES NOT TURN ON.
NO PICTURE
BLURRED IMAGE
REMOTE CONTROL DOES NOT WORK
  
CauseRemedy
There is no power from the power 
cable.Plug the power cord into the AC inlet on the 
projector, and plug the power cord into the 
power outlet. If the power outlet has a switch, 
make sure that it is switched on.
Attempting to turn the projector on 
again during the cooling process.Wait until the cooling down process has 
completed.
CauseRemedy
The video source is not...

Specifications 36
Specifications
Projector specifications
All specifications are subject to change without notice. 
General
Product name Digital Projector
Model name PB2250         1024 x 768  XGA
Optical
Display system 1-CHIP DMD
Lens F/Number PB2250   F=2.4 to 2.6, f= 18.6 to 22.7 mm
Lamp 200W lamp
Electrical
Power supply AC100 ~ 240V, 3.5A, 50/60 Hz (Automatic)
Power consumption 265W (Max)
Mechanical
Dimensions 238 mm (W) x 86.8 mm (H) x 180 mm (D)
Operating temperature 
range0°C ~ 40°C
Weight 4.2 lbs...