Public Speaking Course:
During my public speaking course I teach that it's pretty common to have several wireless microphones on during the same presentation. The AV crew that sets everything up for you will try to make sure they are all on different frequencies so no crossovers occur. You should still double check your MIC though, in case they missed something. In your public speaking course you will learn the best way to work with other presenters, as well as audio-visual technicians.
I spoke in Thailand last week where I ran into a situation that I had never encountered before or the other presenter. We both were using a Logitech Trackman RF Mouse. RF stands for "Radio Frequency" which means that the wireless mouse doesn't need to be in line of sight with the receiver like an infra red mouse would. The problem was that no matter what we tried, I couldn't keep my mouse from moving the cursor on the other speaker's computer (the other guy was on right after me with no break in between).
After trying everything we could think with no luck, we finally decided to shut my whole system down fast after I was finished and then boot his up as fast as we could while he made some opening comments to the audience.
With more and more presenters using wireless technology you must thoroughly check out all systems and consider presenters who are on both before and after you. This is a reason to be there early and find out what is going on during other programs.
Had we not noticed this ahead of time he would have had a really difficult time in the beginning to his program or if the situation had been switched it would have been me with the problem.
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