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I learned a lot from david on that. >> let's put it in the water and see how easy it is to locate it. >> i'm going to turn this on. tune it in to the right frequency. we're going to put it right around here. turn it all the way up. i'll see if i can do this. before i point this out, i don't know if they still have the tight shot, it says keep in a cool dry place in that box. that's important, we're going to talk about that in a minute. here's the pinger, it's attached to the black or orange box, as soon as it goes into the water. >> it's already starting. >> yep. that quickly. immediately. >> ...

See how easy it is to locate it. >> i'm going to turn this on. tune it to the frequency. i'll see if i can do this. before i point this out, i don't know if they still have the tight shot, it says keep in a cool dry place in that box. that's important, we're going to dawk about that in a minute. here's the pinger, it's attached to the black or orange box, as soon as it goes into the water. >> it's already starting. >> it doesn't have to be fully submerged. >> if the water grounds it out, that's when it knows to start pinging. >> you know the terrain underneath where the search area is now, ini...