When you see below situation, please follow below instructions to adjust: If the projector supports Auto Keystone or Vertical keystone, please try to turn on or manually adjust by referring to user guide. If possible, put the projector on the flat surface and make sure projector lens and screen are in a 90-degree angle.
1.If spot is only visible when projected image in defocus, it would not impact usage. 2.If spot is visible when projected image in focus, please contact ViewSonic Service center for help.
There are 2 ways to mirror from iPad, iPhone (4 or later), or iPod Touch (4th Gen or later): 1. Use an Apple original "Lightning Digital AV Adapter" or "USB-C Digital AV Multiport Adapter" to connect your device to a ViewSonic projector. You might encounter no signal if you don’t use APPLE original adapter. 2.If your projector is equipp...
Parts can be purchased from our parts store. Go to https://www.viewsonic.com/parts/
Or browse to your projector model in the Projector Accessories section of the ViewSonic Store. If a Long Throw lens is available for your projector, it will be listed on the online store. Note: A Long Throw Lens is not available for all ViewSonic projectors. To check availability, or to purchase a long throw lens, please contact ViewSonic...
Please refer to this FAQ.
Each product has its own list of compatible video, audio and image formats. The best way to know what file type is specifically supported by your product is to look in the user guide for your particular model.
Make sure the signal cable is securely connected. 2.Try another video input source or cable or device to crosscheck. 3.Check the current resolution and refresh rate set in the graphic card or video source is compatible with the projector. You can refer to refresh rate setting video. How t...
The projector's image size is determined by the distance between the projector itself and the screen. You can adjust the screen size by repositioning the projector, the image size and the distance needed will be shown in the projector user's manual. Some projectors also come with a zoom ring for the finer adjustment.
Before connecting two projectors to your Windows PC/laptop, please ensure your system can run multiple video outputs. 1. To check your graphics card's maximum number of output signals, please refer to the graphics card manufacturer like the example below. Dedicate Graphics Card Integrate Graphics Card 2. Make sure your devi...