The Control Room of Jurassic Park has a basic video/audio feed to the Tour Explorers that a controller (or, in this case, John Hammond) can use to talk to the tour participants. He is able to switch to different cameras using the number keys on the keyboard attached to the monitor. The cameras themselves appear to be fixed in place.
We never see the cameras themselves in the Explorers, but we do see Malcolm tap on one of the cameras during the tour while Hammond is watching it’s feed, so they are visible to the riders.
Hammond occasionally speaks through his audio link, and can hear a constant audio feed from the Explorers. He has some kind of mute button (he says a couple disparaging comments that the other characters don’t appear to hear), but the feed from the Explorers is real-time. It isn’t obvious how he switches between the different Explorers’ audio feeds, or whether he hears both Explorers simultaneously. Continue reading