BenQ Pb9200 Digital Projector Installations Series Operating Guide

Network Setting Up 35
Network Setting Up
This projector provides the NETWORK function. When you start to use this function, 
please consult your dealer for further information.
To start, connect the NETWORK port to a gateway device via a CAT-5 cable, then set up the 
projector according to the Network environment in which you use it.
When your Network enables the DHCP function
You can set automatically, if you set the DHCP function to TURN ON using the NET-
WORK menu. Please refer to the section NETWORK...

Lamp 36
Lamp
WARNING                                                       
                                          HIGH VOLTAGE    HIGH TEMPERATURE     HIGH PRESSURE
The projector uses a high-pressure mercury glass lamp. The lamp can break with a loud 
bang, or burn out, if jolted or scratched, handled while hot, or worn over time. Note that 
each lamp has a different lifetime, and some may burst or burn out soon after you start 
using them. In addition, when the bulb bursts, it is possible for shards...

Lamp 37
Replacing The Lamp
If the indicators or a message prompts you to replace the lamp, replace the lamp as soon as 
possible.
1. Turn off the projector, and unplug the power cord. Allow the lamp bulb to cool for at 
least 45 minutes.
2. Contact your dealer to prepare a new lamp. Tell the dealer your lamp type number. If 
the projector is mounted on the ceiling, or if the lamp has broken, also ask the dealer 
to replace the lamp.
In the case of replacement by yourself,
3. After making sure that the...

Air Filter 38
Air Filter
WARNING
• Please carefully read the “User’s Manual - Safety Guide.
• Before caring, make sure the power switch is off and the power cable is not plugged in, 
then wait at least 45 minutes for the lamp to cool sufficiently.
• Use only the air filter of the specified type NJ08081.
• Do not use the projector with the air filter and filter cover removed. The use without 
the air filter could result in damage.
CAUTION
• If the air filter becomes clogged by dust or the like, internal...

Other Care 39
Other Care
WA R N I N G
• Please carefully read the “User’s Manual - Safety Guide”.
• Before caring, make sure the power switch is off and the power cable is not
• plugged in.
• Be cautious of high temperature. Do not touch about the lens and ventilation openings 
during use or immediately after use prevent a burn.
• Never try to care for the inside of the unit yourself. Doing so is dangerous.
CAUTION
• Incorrect care could have adverse influence such as discoloration, peeling paint, etc.
•...

Troubleshooting 40
Troubleshooting
Related Messages
When the units power is on, messages such as those shown below may be displayed. When 
any such message is displayed on the screen, please respond as described below. If the same 
message is displayed after the treatment, or if a message other than the following appears, 
please contact your dealer or service company.
memo Although these messages will be automatically disappeared around several minutes, 
it will be reappeared every time the power is...

Troubleshooting 41
Related Messages (continued)
Message Description
CLEAN THE AIR FILTER
POWER OFF FIRST,
THEN CLEAN THE AIR 
FILTER.
AFTER CLEANING THE AIR
FILTER,
RESET THE FILTER TIMER.The time the filter timer has counted has reached 
100 hours.
Please clear or change the air filter by referring to 
the section “Air Filter”. After caring for the air filter, 
please be sure to reset the filter timer.
CHECK THE AIR FLOWThe internal portion temperature is rising.
Please turn the power OFF, and allow the...

Troubleshooting 42
Regarding The Indicator Lamps
Lighting and flashing of the STANDBY/ON indicator, the LAMP indicator, and the TEMP 
indicator have the meanings as described in the table below. Please respond in accordance 
with the instructions within the table. If the same indication is displayed after the treatment, 
or if an indication other than the following is displayed, please contact your dealer or service 
company.
NOTE
• When the interior portion has become overheated, for safety purposes,...

Troubleshooting 43
Regarding The Indicator Lamps (continued)
STANDBY/
ON 
indicatorLAMP
indicatorTEMP 
indicatorDescription
Lighting in RedBlinking in 
RedTu r n e d  o f f
Either there is no lamp and/or lamp cover, or 
either of these has not been properly fixed.
Please turn the power off, and allow the unit to cool 
down at least 45 minutes. After the projector has 
sufficiently cooled down, please make confirmation 
of the attachment state of the lamp and lamp cover, 
and then turn the power on again....

Troubleshooting 44
Phenomena That May Easily Be Mistaken For
Machine Defects
WARNING
• Never use the projector if abnormal operations such as smoke, strange odor, excessive 
sound, damaged casing or elements or cables, penetration of liquids or foreign matter, 
etc. should occur. In such cases, immediately turn off the power switch and then 
disconnect the power plug from the power outlet After making sure that the smoke or 
odor has stopped, contact your dealer or service company.
Before requesting...