Acer X1228H DLP Quick Start Guide
![Acer X1228H DLP Projector manual cover](/images/OFuorQwlUyscEgIbzRCmCUqq/thumbs/thumb175x175.webp)
To connect your Acer X1228H to a laptop, use an HDMI cable if your laptop supports it. Connect one end to the HDMI port on the projector and the other to the laptop. Select HDMI as the input source on the projector using the remote control or the projector's menu.
First, ensure that all cables are securely connected. Check if the correct input source is selected. If using a laptop, ensure the display output is configured correctly (e.g., mirroring or extending the display). Restart both devices if needed.
To adjust the focus, rotate the focus ring located on the front of the lens. Adjust until the image is sharp and clear.
Ensure that the vents are not obstructed and the projector is placed in a well-ventilated area. Regularly clean the air filters and make sure the fan is functioning properly. Avoid using the projector for extended periods without breaks.
Turn off the projector and allow it to cool. Unplug all cables. Open the lamp cover, unscrew the lamp module, and replace it with a new one. Secure the lamp module, close the cover, and reset the lamp timer in the projector menu.
Clean the air filters every 100 hours of use or monthly, whichever comes first. Check the lamp life and replace it when necessary. Regularly inspect and clean the projector's exterior and lens.
For better sound quality, connect external speakers to the audio out port of the projector. Adjust audio settings through the projector menu or the connected device's settings.
Check that the correct input source is selected. Ensure the video cable is properly connected. If using a laptop, verify that it is set to output video to an external display. Restart the projector and the connected device.
Access the projector's menu, navigate to the 'Settings' or 'Management' section, and select 'Factory Reset' or 'Restore Default Settings'. Confirm the action when prompted.
Check the video cable connections and replace any damaged cables. Adjust the color settings in the projector menu. If the problem persists, there might be an issue with the projector's color wheel or lamp. Consider contacting Acer support.