Audio is required and it is highly recommended that you have a microphone in order to be able to ask any question you may have. If you do not have a microphone, you can ask your questions through the chat.
If you are not sure of how to sign up for the online presentation, see our tutorial. (A popup window will be open).
Moreover, if any of the dates for the online presentation suit you, you can let us know to study whether it is possible for us to adapt your request.