Do you have a question about the PowerLite 77c and is the answer not in the manual?
Tips and advice for optimizing the use of your projector for presentations.
Overview of projector parts, unpacking, accessories, and initial setup.
Information on user guides, support resources, and getting more help.
Guidance on projector placement, orientation, and alternative installation methods.
Instructions for connecting the projector to various computer types via VGA or USB.
Steps for connecting DVD players, VCRs, cameras, and gaming consoles.
Procedure for turning on the projector and choosing the input signal source.
Guidance on focusing, zooming, brightness, contrast, and color adjustments.
Safe and proper procedures for turning off the projector and disconnecting power.
Using the remote to switch sources, adjust volume, and control image features.
How to zoom into portions of the image and change its aspect ratio.
Step-by-step instructions for replacing the AA batteries in the remote control.
Overview of the projector's menu system for accessing settings.
Modifying brightness, contrast, sharpness, and color settings via the Image menu.
Configuring settings like Keystone, Brightness Control, and Operation Lock.
Setting passwords, disabling buttons, and installing anti-theft locks for projector security.
Instructions for cleaning the projector lens, case, and air filter.
Step-by-step guide for safely replacing the projector's projection lamp.
Recommendations for packing and transporting the projector to prevent damage.
How to access and use the projector's built-in help menus for troubleshooting.
Understanding the meaning of flashing lights and corresponding troubleshooting steps.
Resolving common problems related to image display and audio output.
Solutions for remote control malfunctions and forgotten projector passwords.
Details on display type, lens, resolution, brightness, and contrast.
Information on supported video and computer display formats and connections.
Operating temperature, humidity, altitude limits, and safety certifications.
Critical safety guidelines for setting up, operating, and maintaining the projector.
Regulatory compliance information for the United States and Canada.
| Brightness | 2200 ANSI Lumens (Normal) / 1700 ANSI Lumens (Eco) |
|---|---|
| Contrast Ratio | 400:1 |
| Lamp Life | 3000 hours (Normal) / 4000 hours (Eco) |
| Weight | 6.2 lbs |
| Display Technology | 3LCD |
| Resolution | 1024x768 (XGA) |
| Native Resolution | XGA (1024 x 768) |