Where can I find ViewSonic projector distance calculator?

Please go to Projector Distance Calculator. Enter the desired distance from the screen to calculate the image dimensions. Try different distance values until you find the desired image size.

Why is multiple-screen mode not available on Chromecast?

Due to limitation by Chromecast, Multiple-screen casting is not supported.

Why file sharing from mobile is not available when multiple-screen mode is enabled?

Currently, Mobile devices (Android/iOS) in multiple-screen mode can only support screen-mirroring.

Why touch control on Chromebook is not available while casting to ViewBoard?

Due to limitation by Chrome OS, this is not supported. 

Why can't ViewBoard control mobile devices?

In order to ensure the security of user information, mobile phones do not allow any third-party application to control it. Therefore, when using the mobile phone's vCastSender mirroring feature, controlling the mobile phone from ViewBoard is not available.

What to do when there is latency visible during video streaming to multiple screens?

Video streaming to multiple screens can be a heavy load on a network.    To have better experience on ViewBoard Cast with multiple screens sharing with a reliable signal, we suggest connect in Wi-Fi 5Ghz with minimum signal strength  @ -60dBm and the recommended bandwidth at least 1 MB/s.   If latency still visible, please limit vCastSender...

Why is full-screen casting unavailable for iPad?

ViewBoard has an aspect ratio of 16:9, but the iPad's aspect ratio is different. Therefore, when the iPad is displayed in proportion to the ViewBoard, black frames will appear on both sides.

Why is there no audio output while casting by vCastSender from a Windows PC?

  1. Please ensure “Audio” is not muted on the PC. 2. Please ensure the ViewBoard is not muted. 3. Please ensure the correct Audio output has been selected on the PC.                

Why should I enable "vCast" via: Security & Privacy > Privacy > Accessibility?

In Mac OS Mojave or higher, the software must have accessibility permission in order to have touch control.    If you do not need touch control from ViewBoard to Macbook, you do not need to select “vCastSender app” in accessibility permission.

Why is there no audio sharing from vCastSender for Android while screen-mirroring to ViewBoard?

This is due to a privacy policy by Google – Android phone/tablet. Google only allows apps that are pre-installed on your phone/tablet to capture audio and prevents third-party apps from recording audio in order to avoid user privacy invasion. Therefore, third-party apps cannot access the phone/tablet for audio output.