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How to fix the keystone effect (distorted image) on a projector?

Ensure the projector is level and perpendicular to the screen, then use the built-in "Keystone" settings to square the image. When you see below situation, please follow below instructions to adjust:   Physical Alignment: Place the projector on a flat surface. Ensure the lens is at a 90-degree angle relative to the center of...

Android mobile phones are unable to mirror cast via Google Home App.

Recently we've noticed an incompatibility issue between some ViewSonic smart projectors and Google Home App with the latest update. Some users might not see ViewSonic projectors on the device list when trying to mirror cast their Android mobile phone to ViewSonic projectors via Google Home App.  We are aware of this issue and currently workin...

How to change the projector lamp in a projector?

The methods for changing the projector lamp (bulb) differ depending on the model of the projector. For accurate instructions, you can find lamp swapping instruction at ViewSonic product download page.   <Note> It is recommended that you use an authentic ViewSonic replacement lamp.  

Why does my projector automatically shut down during use?

Auto-shutdown is typically triggered by overheating protection. Ensure proper ventilation, clean the dust filters, and enable "High Altitude Mode" if necessary. Check LED Indicators: If the Temp light is red or flashing after shutdown, the projector has overheated. Improve Airflow: Keep at least 50cm of clear space around intake an...

How to clean the projector lens

To clean the projector lens, do the following: Use a canister of compressed air to remove dust. If the lens is still not clean, use lens-cleaning paper or moisten a soft cloth with lens cleaner and gently wipe the surface. CAUTION: Never rub the lens with abrasive materials

Why are certain options greyed out in the OSD menu?

Certain menu settings are locked based on the current input signal or preset picture mode to maintain optimal image quality. Verify Input Source: When using digital connections (HDMI, DisplayPort), options like Phase or Horizontal Position are automatically optimized and locked. These are only available for manual adjustment under a VGA (a...

How to adjust the image size on a projector?

Adjust the image size by changing the "Throw Distance," rotating the "Zoom Ring," or using the "Digital Zoom" setting in the menu. Adjust Throw Distance (Physical): This is the most effective method. Move the projector further from the screen for a larger image, and closer for a smaller one. Use the Zoom Ring (Optical): Rotate t...

Why is there a high-pitched noise or buzzing from my projector?

Slight humming is often normal for 4K models due to XPR technology. For other noises, check fan settings and power stability. Identify Normal XPR Noise (4K Models): 4K UHD projectors use XPR pixel-shifting technology, which produces a subtle high-pitched hum during operation. This is normal and not a defect. Adjust Fan Settings: Go to ...

Can I change the orientation of the projector when in use?

Please refer to user guide on page "Important Safety Instructions". Some projectors may be claimed to use at a limited angle dependent on the light source, such as lamp or LED.

How to mirror iPhone or iPad screen to the projector? (Wired Connection Guide)

Use a USB-C cable or an appropriate HDMI adapter for a stable, low-latency wired connection. USB-C Direct Connection (Recommended): Use a USB-C cable that supports video transmission (using the cable provided with the projector is highly recommended). Connect your device directly to the projector's [USB-C] port. Select [USB-C] a...

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