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Copyright © 1997-2004 InFocus Corporation.
All Rights Reserved.
ASK Proxima C95 and C105 (DP6105 and DP6155) Projectors
Frequently Asked Questions: Maintenance
How can I maximize my lamp life?
• When you finish using the projector, let it run through its shutdown cycle before unplugging it. On many projectors,
the fans continue to run after the projector shuts off the lamp. The fans are timed to run long enough for the lamp to
cool down before the projector is moved.
• Keep the vents on the sides, top and bottom of the projector clear. Make sure to keep papers, books and other
tabletop paraphernalia away from the projector. Even partially blocking one vent disrupts the airflow enough to
shorten the life of the lamp and other internal parts.
• Clean the dust filter on the bottom of the projector every 200 hours. Filter cleaning instructions are available on the
ASK Proxima Website.
• Use your projector in as clean environment as possible. Polluted air can cause dust to build up on filters or vents,
causing the temperature to go up. This is especially true of ceiling mounted projectors.
NOTE InFocus suggests that you unplug this projector when it is not in use. If the projector is ceiling mounted or in a rear
projection setting, we suggest you use a separate wall switch or timer to ensure that the projector is completely
powered down when not in use.
The LED on the projector keypad is red (or orange). No image may be projected. What is wrong?
This projector has a power button that lights and an alarm LED on the keypad. The power button shines green or orange,
depending on the state of the projector. The Alarm LED is not lit under normal circumstances. Your User Guide contains
information on LED status and behavior.
Is there software (firmware) for the projector that I should update?
The projector contains "flash" code that controls the startup process, the logo screen and so on. You can have an authorized
service center upgrade your projector's software, or you can do it yourself.
There are two reasons to 'flash' your projector:
In very rare instances, software becomes corrupt and the projector does not operate correctly. Reinstalling the code is one
step in solving power and image issues.
The second reason is to take advantage of updated code. Sometimes ASK Proxima updates the code to enhance features or
source connectivity on the projector. Enhanced code may make the picture better, or it might help keep the projector cooler.
To see which software version is on your projector, press the Menu button. In the Main menu, select Status. The software
version appears in the Status message box.
To check to see whether there is new software for your projector, check the C90/C100 Software webpage.
Are there air vents or filters on the projector that need to be cleaned? How do I clean the dust filter.
This projector has a filter that prevents dust particles from getting inside the optics. It must be cleaned at least every 200
hours (more frequently, if the projector is operated in a dirty environment.
To clean the filter, do the following:
1. Turn the projector upside down on soft surface.
2. Extend the left elevator foot all the way.
3. Loosen the screw that fastens the filter to the projector.
4. Lift the filter out of the projector. You may need to gently pry the filter off.
5. Clean the filter with a low powered vacuum. Also clean the vents on the bottom of the projector.
6. Replace the filter and tighten screw. Retract the elevator foot.