How to resolve vertical flickering bar on Acer P7505 image?
- Mmichael97Sep 13, 2025
Use "Frequency" to make an adjustment. Check and reconfigure the display mode of your graphics card to make it compatible with the projector.

How to resolve vertical flickering bar on Acer P7505 image?
Use "Frequency" to make an adjustment. Check and reconfigure the display mode of your graphics card to make it compatible with the projector.
What to do if the Acer Projector lamp burns out or makes a popping sound?
When the lamp reaches the end of its useful life, it will burn out and may make a loud popping sound. If this happens, the projector will not turn on until the lamp module has been replaced.
| Brightness | 5000 lumens |
|---|---|
| Contrast Ratio | 10, 000:1 |
| Aspect Ratio | 16:10 |
| Display Technology | DLP |
| Input Connectors | HDMI, VGA, Composite Video, S-Video |
| Output Connectors | VGA, Audio Out |
| Native Resolution | 1920x1200 (WUXGA) |
Instructions for safely powering down the projector before performing cleaning procedures.
Guidelines for safely connecting and disconnecting the projector's power supply unit.
Ensures the power outlet is easily accessible for safe disconnection of the equipment.
Information and warnings regarding the safe operation of the projector with electrical power.
Guidance on when to refer servicing to qualified personnel and not to attempt self-repair.
Important safety instructions and environmental considerations for projector operation.
Advice on protecting hearing by adjusting volume levels appropriately during use.
Guidance on environmentally responsible disposal of the electronic device, encouraging recycling.
Information regarding mercury content in lamps and proper disposal procedures.
Key operational guidelines and best practices for using the projector effectively.
Essential warnings, precautions, and maintenance advice to maximize the projector's lifespan.
Details on the key capabilities and advanced technologies integrated into the projector.
List of all items included with the projector and instructions for checking completeness.
Identification of external components and their functions on the projector body.
Visual identification of front and upper side components of the projector.
Description of the buttons and indicators on the projector's control panel.
Diagram and explanation of the buttons and functions on the projector's remote control.
Step-by-step guide on how to connect various input sources to the projector.
Instructions for powering the projector on and off, including status indicators.
Detailed steps to power on the projector and connect it to a source.
Detailed steps to properly shut down the projector and its cooling cycle.
Methods for physically adjusting the projector's height and display angle.
Using elevator feet and tilt wheels to set the desired image height and angle.
Table and guide for finding optimal screen sizes at specific projection distances.
Guidance on achieving desired image sizes using distance and zoom adjustments.
Using lens shift rings to adjust the projected image position horizontally and vertically.
Onscreen display (OSD) for projector installation, maintenance, and settings.
Navigating and using the projector's OSD menus for image adjustments.
Adjusting color settings such as display mode, wall color, brightness, and tint.
Settings for image projection mode, aspect ratio, sharpness, and position.
Configuration options for startup screen, source lock, closed caption, and LAN/WiFi.
Projector management features like ECO mode, high altitude, timer, and lamp settings.
Controls for volume, mute, and notification sounds for projector operations.
Settings for enabling and configuring DLP 3D functionality and 2D to 3D conversion.
Selecting the preferred display language for the projector's multilingual OSD menu.
Guide to diagnosing and resolving common problems with the projector's image and operation.
Lists supported resolutions and frequencies for VGA and HDMI PC signals.
Explanation of LED indicators and alarm messages for projector status.
Procedure for cleaning or replacing the projector's dust filters to ensure proper ventilation.
Step-by-step instructions for safely replacing the projector's lamp module.
Instructions for securely installing the projector using a ceiling mount kit.
Technical details and performance characteristics of the projector model.
FCC compliance, Canadian regulations, and general safety notices for the device.