Warranty
Table Of Contents
- Front
- Contents
- Introduction to Your Projector
- Setting Up the Projector
- Using the Projector on a Network
- Wireless Network Projection
- Setting Up Projector Network E-Mail Alerts
- Setting Up Monitoring Using SNMP
- Controlling a Networked Projector Using a Web Browser
- 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
- 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 Image is Incorrect Using the USB Display Function
- 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 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
- General Projector Specifications
- Projector Lamp Specifications
- Remote Control Specifications
- Projector Dimension Specifications
- Projector Electrical Specifications
- Projector Environmental Specifications
- Projector Safety and Approvals Specifications
- Supported Video Display Formats
- USB Display System Requirements
- Notices
![](/manual/epson/v11h478120/warranty-english/images/img-75.png)
Locking the Projector 's Buttons
You can lock the buttons on the projector's control panel to prevent anyone from using the projector. You
can lock all the buttons or all the buttons except the power button.
1. Press the Menu button.
2. Select the Settings menu and press Enter.
Note: The Split Screen option does not appear on PowerLite 1751 models.
3. Select the Control Panel Lock setting and press Enter.
4. Select one of these lock types and press Enter:
• To lock all of the projector's buttons, select Full Lock.
• To lock all buttons except the power button, select Partial Lock.
You see a confirmation prompt.
5. Select Yes and press Enter.
Unlocking the Projector's Buttons
Parent topic: Projector Security Features
Unlocking the Projector's Buttons
If the projector's buttons have been locked, hold the Enter button on the projector's control panel for
seven seconds to unlock them.
92