How do I use screen sharing?

Click here for a video tutorial

After starting a meeting, click on the blue button at the top left portion of the screen.

After a moment, the desktop sharing window will appear in the bottom left section of the screen, this shows what your viewers will see.  The window that you see is only a Preview window and is not the size of what the attendee's actually see.  

You can select the Region button to share only a region of your screen.

After selecting Region a security window will launch, requesting permission to run Java

The Region sharing screen will launch with a red dashed box that can be adjusted in size with your mouse.  Click on the red portion with your mouse and you can stretch or shrink the outlined region.

Once you have it sized correctly, click the Start Sharing button in the bottom left corner and the red box will turn blue, indicating the area that is being shared.

You can also select the Full Screen button, to share your entire desktop.

No action is required by the viewers to use screen sharing, they only have to login to the meeting and everything else is automatic.

NOTICE: Screen sharing does not support dual monitors. If you run more than one monitor, you MUST disable one before attempting to use screen sharing.

Performance Tips

1) Instead of sharing the desktop simply upload the file that you want to share. Presentation sharing runs MUCH faster than the desktop sharing algorithms. The optimal format for file upload is PDF.

2) If desktop sharing is really required, reduce the amount of data sent to the server. To reduce the amount of data being sent to the server (and thus increase the refresh rates for desktop sharing), the presenter can do the following:

  1. Share a smaller region of your desktop (this is a good approach if you want to share only a specific window)
  2. Reduce the screen size to 1024x768 or 800x600 (this is in essence similar to sharing a region)
  3. Replace any 32-bit desktop background image with a solid color (this greatly increases the refresh rates when the presenter's desktop becomes visible)
  4. Lower your screen depth from 32-bit to 16-bit

3) Increase upstream bandwidth available to desktop sharing.  We recognize this is not always an option, but the upstream bandwidth from the presenter's screen is an important factor in overall performance (since data is sent from the presenter's device every time there is any change to the presenter's screen).

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