User's Manual
Table Of Contents
- Contents
- Introduction to Your Projector
- Setting Up the Projector
- Using Basic Projector Features
- Turning On the Projector
- Turning Off the Projector
- Remote Control Operation
- Pairing the Projector Remote Control
- Selecting the Language for the Projector Menus
- Adjusting the Image Height
- Adjusting the Image Position Using Lens Shift
- Image Shape
- Resizing the Image
- Focusing the Image
- Projection Modes
- Image Aspect Ratio
- Color Mode
- Viewing 3D Images
- Controlling the Volume with the Volume Buttons
- Adjusting Projector Features
- Adjusting the Menu Settings
- Maintaining and Transporting the Projector
- Solving Problems
- Projection Problem Tips
- Projector Light Status
- 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 a 3D Image Does Not Display Correctly
- Solutions to Sound Problems
- Solutions to Bluetooth Audio Problems
- Solving Projector or Remote Control Operation Problems
- Solutions to HDMI Link Problems
- Where to Get Help (U.S. and Canada)
- Where to Get Help (Latin America)
- Technical Specifications
- General Projector Specifications
- Projector Lamp Specifications
- Remote Control Specifications
- Bluetooth Specifications
- Projector Dimension Specifications
- Projector Electrical Specifications
- Projector Environmental Specifications
- Projector Safety and Approvals Specifications (U.S. and Canada)
- Supported Video Display Formats
- Notices
60
2. Select the Settings menu and press Enter.
You see this screen:
3. Select Lock Setting and press Enter.
4. Do one of the following:
• To lock the projector's power button, select Child Lock > On. You must turn the projector off and
then on again to enable the setting.
Note: To turn the projector on when this setting is enabled, you must press and hold the power
button for about 3 seconds.
• To lock all the projector's buttons, select Control Panel Lock > Full Lock. Select Yes on the
confirmation screen.
• To lock all the projector's buttons except the power button, select Control Panel Lock > Partial
Lock. Select Yes on the confirmation screen.
5. Press the Menu button to exit the menu or the Esc button to return to the previous screen.
Unlocking the Projector's Buttons
Parent topic: Projector Security Features
Related references
Projector Feature Settings - Settings Menu