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Practical hints/FAQ for using Big Blue Button

what are the communication methods?

  • text messaging, audio, video, pdf-type slide presentations

display a presentation

You can either choose to:
  • display a pdf (or any other window) shown on your screen (even your whole screen, but that might include private things!), or
  • upload your pdf (or .pptx) file beforehand (the server takes 2-5 minutes to convert it)
    • In this case, you can use a virtual whiteboard to draw with virtual markers on your presentation, and you can allow participants to do so too, allowing live discussion to continue with diagrams (lines, circles, freehand curves, text).
  • each time you "share your screen" you have to wait a bit, so if you do this a lot, remember to keep talking to your audience, or encourage them to talk, while you're doing this


  • set your video quality to low, to avoid overloading the bandwidth

webcam button is locked

If your webcam button is locked and you can't unlock it, and if the admin/moderator hasn't locked it, try this to reset the lock:
  • top-right triple-dot
  • Settings
  • Data savings
    • Enable webcams: switch this to off status
    • Save (and wait a bit)
    • Enable webcams: switch this back to on status
    • Save (and wait a bit)
    • Close

whiteboard text entry

Selection sequence:
  • Tools
  • T
  • click and drag to make a little box where you want to type
  • type with the keyboard - your typing should appear in the box; you can modify the parameters of the text as long as the box remains present
  • click somewhere else to terminate the box; the characters should visually remain in place.

-- BoudRoukema - 26 Apr 2020 + ...
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Topic revision: r4 - 12 Jun 2020, BoudRoukema
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