BenQ Projector MS502 User Manual

							Operation 41
Function Description
Baud Rate
Selects a baud rate that is identical with your computer’s so that you 
can connect the projector using a suitable RS-232 cable and update or 
download the projector’s firmware. This function is intended for 
qualified service personnel.
Test PatternSelecting On enables the function and the projector displays the grid 
test pattern. It helps you adjust the image size and focus and check that 
the projected image is free from distortion.
Closed 
Caption
Closed Caption Enable
Activates the function by selecting On when the selected input signal 
carries closed captions.
•  Captions: An on-screen display of the dialogue, narration, and 
sound effects of TV programs and videos that are closed captioned 
(usually marked as CC in TV listings).
Caption Version
Selects a preferred closed captioning mode. To view captions, select 
CC1, CC2, CC3, or CC4 (CC1 displays captions in the primary 
language in your area).
Standby 
Settings
Monitor Out
Selecting On enables the function. The projector can output a VGA 
signal when it is in standby mode and the COMPUTER 1 jack is 
correctly connected to devices. See Connection on page 15 for how 
to make the connection.
Audio Pass Through
Selecting On enables the function. The projector can play sounds when 
it is in standby mode. Connect the correct signal cable and connect the 
audio cable to the AUDIO IN jack. See Connection on page 15 for 
how to make the connection.
Enabling this function slightly increases the standby power consumption.
Reset All 
SettingsReturns all settings to the factory preset values.
The following settings will still remain: Phase, H. Size, User 1, User 2, 
Language, Projector Position, High Altitude Mode, Security 
Settings and Baud Rate.
5. SYSTEM SETUP: Advanced menu 
						

							Operation 42
Function Description
Current 
System 
Status
Source
Shows the current signal source.
Picture Mode
Shows the selected mode in the PICTURE menu.
Resolution
Shows the native resolution of the input signal.
Color System
Shows input system format: NTSC, PAL, SECAM, YUV, or RGB.
Equivalent Lamp Hour
Displays the number of hours the lamp has been used.
Firmware Version
Shows the firmware version of your projector.6. INFORMATION menu 
						

							Maintenance 43
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 and case 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. 
•  Use a canister of compressed air to remove dust. 
•  If there is dirt or smears, use lens-cleaning paper or moisten a soft cloth with lens 
cleaner and gently wipe the lens surface.
•  Never use any type of abrasive pad, alkaline/acid cleaner, scouring powder, or volatile 
solvent, such as alcohol, benzene, thinner or insecticide. Using such materials or 
maintaining prolonged contact with rubber or vinyl materials may result in damage to 
the projector surface and cabinet material.
Cleaning the projector case
Before you clean the case, turn the projector off using the proper shutdown procedure as 
described in Shutting down the projector on page 33 and unplug the power cord.
•  To remove dirt or dust, wipe the case with a soft, lint-free cloth.
•  To remove stubborn dirt or stains, moisten a soft cloth with water and a neutral pH 
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 follow the instructions 
below:
•  Make sure the temperature and humidity of the storage area are within the 
recommended range for the projector. Please refer to Specifications on page 51 or 
consult your dealer about the range.
•  Retract the adjuster feet.
•  Remove the battery from the remote control.
•  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. 
						

							Maintenance 44
Lamp 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. 
See Setting Lamp Mode as Economic below for more information on Economic mode.
To obtain the lamp hour information:
1. Press MENU/EXIT and then press  /  to highlight the SYSTEM SETUP: 
Advanced menu.
2. Press  to highlight Lamp Settings and press MODE/ENTER. The Lamp 
Settings page displays.
3. You will see the Equivalent Lamp Hour information displaying on the menu.
4. To leave the menu, press MENU/EXIT.
You can also get the lamp hour information on the INFORMATION menu.
Extending lamp life
The projection lamp is a consumable item that normally can last up to 3000-4000 hours 
with proper usage. 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 by 20%. 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 operation life. To set 
Economic mode, go into the SYSTEM SETUP: Advanced > Lamp Settings > 
Lamp Mode menu and press  / .
•  Setting Auto Power Off
This function allows the projector to turn off automatically if no input signal is detected 
after a set period of time to prevent unnecessary waste of lamp life.
To  s e t  Auto Power Off, go into the SYSTEM SETUP: Basic > Operation Settings 
> Auto Power Off menu and press  / . The time period can be set from 5 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. 
						

							Maintenance 45
Timing 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://lamp.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 49 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 44 ), 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. 
The lamp brightness diminishes with use. This is 
normal lamp behavior. You can replace the lamp 
whenever you notice that the brightness 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
Order Replacement Lamp
Lamp>XXXX Hours
Order a new lamp at lamp.benq.com
Notice
OK
Replace Lamp Soon
Lamp>XXXX Hours
Order a new lamp at lamp.benq.com
Notice
OK
Replace Lamp Now
Lamp>XXXX Hours
Lamp usage time exceeded
Order a new lamp at lamp.benq.com
Notice
OK
Out of Lamp Usage Time
Replace lamp (Refer to user manual)
Then reset lamp timer
Order a new lamp at lamp.benq.com
WARNING 
						

							Maintenance
46
Replacing the lamp
•  To reduce the risk of electrical shock, always turn the projector off and disconnect the power cord 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 co mpromising 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 performed while the projecto r is suspended upside-down from the ceiling, make 
sure that no one is underneath the lamp socket to av oid any possible injury or damage to the human eyes 
caused by fractured lamp.
1. Turn the power off and disconnect the projector from the power outlet. If the lamp  is hot, avoid burns by waiting for a pproximately 45 minutes until the lamp has 
cooled.
2. Loosen the screw that secures the lamp  cover on the side of the projector until 
the lamp cover loosens.
3. Remove the lamp cover from the  projector.
•  Do not turn the power on with the lamp cover removed.
•  Do not insert your fingers between the lamp and the  projector. The sharp edges inside the projector may 
cause injuries.
4. Disconnect the lamp connector from the 
projector.
5. Loosen the screw that secures the lamp.
6. Lift the handle so that it stands up.
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							Maintenance 47
7. Use the handle to slowly pull the lamp out of 
the projector.
•  Pulling it too quickly may cause the lamp to break and scatter broken glass in the projector.
•  Do not place the lamp in locations where water might  splash on it, children can re ach it, or near flammable 
materials.
•  Do not insert your hands into the projector after the  lamp is removed. If you touch the optical components 
inside, it could cause color unevenness and distortion of 
the projected images.
8. As shown in the figure, lower the new lamp.
9. Reconnect the lamp connector to the 
projector.
10. Tighten the screw that secures the lamp.
11. Ensure the handle is fully laid flat and locked  in place.
•  Loose screw may cause a bad connection, which could result in malfunction.
•  Do not over tighten the screw.
12. Replace the lamp cover on the projector.
13. Tighten the screw that secures the lamp cover. 
•  Loose screw may cause a bad connection, which could  result in malfunction.
•  Do not over tighten the screw.
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							Maintenance 4814. Connect the power and restart the projector.
Do not turn the power on with the lamp cover removed. 
Resetting the lamp timer
15. After the startup logo, open the On-Screen Display (OSD) menu. Go to the 
SYSTEM SETUP: Advanced > Lamp Settings menu. Press MODE/ENTER. 
The Lamp Settings page displays. Highlight Reset lamp timer. A warning 
message displays asking if you want to reset the lamp timer. Highlight Reset and 
press MODE/ENTER. The lamp time will be reset to “0”.
Do not reset if the lamp is not new or replaced as this could cause damage.  
						

							Maintenance 49
Indicators
LightStatus & Description
Pow e r  eve n t s
Off Off OrangeStand-by mode.
Off OffGreen
FlashingPowering up.
Off Off GreenNormal operation.
Off OffOrange
Flashing
•  The projector needs 90 seconds to cool down as it was 
abnormally shut down without the normal cooling down 
process.
•  The projector needs to cool for 90 seconds after the 
power is turned off.
•  The projector has shut down automatically. If you try to 
re-start the projector, it will shut down again. Please 
contact your dealer for assistance.
Lamp events
RedOffOrange
FlashingThe projector has shut down automatically. If you try to re-
start the projector, it will shut down again. Please contact 
your dealer for assistance.
Red Off Off1. The projector needs 90 seconds to cool down. Or
2. Please contact your dealer for assistance.
Thermal events
Off Red Off
The projector has shut down automatically. If you try to re-
start the projector, it will shut down again. Please contact 
your dealer for assistance.
Red Red Off
Green Red Off
Orange Red Off
Red Red Red
Green Red Red
Orange Red Red
Red Red Green
Green Red Green
Orange Red Green
Red Red Orange
Green Red Orange
Orange Red Orange
Red Green Off
Green Green Off 
						

							Troubleshooting 50
Troubleshooting
The projector does not turn on.
No picture
Blurred image
Remote control does not work
The password is incorrect
CauseRemedy
There is no power from the power cord.Plug the power cord into the AC power jack 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 turned on or 
connected correctly.Turn the video source on and check that the signal 
cable is connected correctly.
The projector is not correctly connected 
to the input signal device.Check the connection.
The input signal has not been correctly 
selected.Select the correct input signal with the SOURCE 
key on the projector or remote control.
The lens cover is still closed. Open the lens cover.
CauseRemedy
The projection lens is not correctly 
focused.Adjust the focus of the lens using the focus ring.
The projector and the screen are not 
aligned properly.Adjust the projection angle and direction as well 
as the height of the projector if necessary.
The lens cover is still closed. Open the lens cover.
CauseRemedy
The battery is out of power. Replace the battery with new ones.
There is an obstacle between the remote 
control and the projector.Remove the obstacle.
You are too far away from the projector. Stand within 8 meters (26 feet) of the projector.
CauseRemedy
You do not remember the password.Please see Entering the password recall 
procedure on page 22 for details.