User's Guide
Table Of Contents
- Front
- Contents
- Introduction to Your Projector
- Setting Up the Projector
- Projector Placement
- Projector Connections
- Attaching and Removing the Cable Clips
- Attaching and Removing the Cable Cover
- Installing Batteries in the Remote Control
- Using the Projector on a Network
- Wired Network Projection
- Wireless Network Projection
- Setting Up Projector Network E-Mail Alerts
- Setting Up Monitoring Using SNMP
- Controlling a Networked Projector Using a Web Browser
- Crestron RoomView Support
- Using Basic Projector Features
- Turning On the Projector
- Turning Off the Projector
- Selecting the Language for the Projector Menus
- Adjusting the Image Height
- Image Shape
- Resizing the Image With the Zoom Ring
- Focusing the Image Using the Focus Ring
- Remote Control Operation
- Selecting an Image Source
- Projection Modes
- Image Aspect Ratio
- Color Mode
- Controlling the Volume With the Volume Buttons
- Projecting a Slide Show
- Adjusting Projector Features
- Adjusting the Menu Settings
- Maintaining and Transporting the Projector
- Solving Problems
- Projection Problem Tips
- Projector Light Status
- Using the Projector Help Displays
- Solving Image or Sound Problems
- Solutions When No Image Appears
- Solutions When "No Signal" Message Appears
- Solutions When "Not Supported" Message Appears
- Solutions When Only a Partial Image Appears
- Solutions When the Image is Not Rectangular
- Solutions When the Image Contains Noise or Static
- Solutions When the Image is Fuzzy or Blurry
- Solutions When the Image Brightness or Colors are Incorrect
- Solutions When No Image Appears on an External Monitor
- Solutions When There is No Sound or Low Volume
- Solving Projector or Remote Control Operation Problems
- Solutions When Network Alert E-Mails are Not Received
- Where to Get Help
- Technical Specifications
- Notices

Note: If dust is difficult to remove or the air filter is damaged, replace the air filter.
6. Place the air filter back in the projector as shown.
7. Close the air filter cover.
Parent topic: Air Filter and Vent Maintenance
Related references
Projector Light Status
Replacing the Air Filter
You need to replace the air filter in the following situations:
• After cleaning the air filter, you see a message telling you to clean or replace it
• The air filter is torn or damaged
Note: You must install an air filter or the projector will turn off after about one minute.
You can replace the air filter while the projector is mounted to the ceiling, if necessary. The illustrations
below show the projector placed on a table.
1. Turn off the projector and unplug the power cord.
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