User Guide
Table Of Contents
- Contents
- Introduction to Your Projector
- Setting Up the Projector
- Using the Projector on a Network
- Wireless Network Projection
- Selecting Wireless Network Settings Manually
- Selecting Wireless Network Settings in Windows
- Selecting Wireless Network Settings on Mac
- Using a QR Code to Connect a Mobile Device
- Using NFC to Connect an Android Device
- Setting Up Wireless Network Security
- Wireless Network Projection from a Mobile Device (Screen Mirroring)
- Secure HTTP
- Importing a Web Server Certificate Using the Projector Menus
- Controlling a Networked Projector Using a Web Browser
- Wireless Network Projection
- Using Basic Projector Features
- Turning On the Projector
- Turning Off the Projector
- Selecting the Language for the Projector Menus
- Setting the Date and Time
- Adjusting the Image Height
- Image Shape
- Resizing the Image with the Zoom Ring
- Focusing the Image Using the Focus Ring
- Focusing the Image Using the Focus Button
- Remote Control Operation
- Selecting an Image Source
- Projection Modes
- Image Aspect Ratio
- Color Mode
- Controlling the Volume with the Volume Buttons
- Projecting a PC Free Presentation
- Adjusting Projector Features
- Adjusting the Menu Settings
- Using the Projector's Menus
- Image Quality Settings - Image Menu
- Input Signal Settings - Signal Menu
- Projector Feature Settings - Settings Menu
- Projector Setup Settings - Extended Menu
- Projector Network Settings - Network Menu
- Projector Setup Settings - ECO Menu
- Projector Information Display - Info Menu
- Projector Reset Options - Reset Menu
- 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 to Sound Problems
- Solving Projector or Remote Control Operation Problems
- Solving Network Problems
- 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
171
Optical aspect ratio
(width-to-height)
PowerLite 1780W/1781W/1785W:
16:10
PowerLite 1795F:
16:9
Focus adjustment PowerLite 1780W:
Manual
PowerLite 1781W/1785W/1795F:
Powered
Zoom adjustment Manual
Zoom ratio
(Tele-to-Wide)
1:1.2
Internal sound system 1 W monaural
Noise level 39 dB (Normal Power Consumption mode)
30 dB (ECO Power Consumption mode)
Keystone correction angle Vertical: ± 45°
Horizontal: ± 30°
USB Type B port compatibility USB 1.1 and 2.0 compliant for USB display, external mouse or
keyboard, or firmware update
USB Type A port compatibility One USB 1.1 and 2.0 compliant port for USB device input, Epson
document camera display, wireless LAN module, or firmware update
Parent topic: Technical Specifications
Projector Lamp Specifications
Type UHE (Ultra High Efficiency)
Power consumption PowerLite 1780W:
206 W
PowerLite 1781W/1785W/1795F:
214 W