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[Music]  hi Jeff go to here with Pacific yacht  systems a common question that we get  asked all the time by fellow boaters is  what's the difference or what is enemy  2000 versus enemy zero 183 enemy a  stands for National Marine Electronics  Association and basically their two  protocols two means of communicating  between devices on your boat it could be  from your VHF radio to your char plotter  from an instrument to your chartplotter  basically how do you share information  between different devices on your boat  and it could be from one manufacturer to  another or even within a manufacturer so  when you think about enemy 82,000 here  are kind of common bits and pieces that  you see probably coming with your  chartplotter it might be a Garmin might  be Raymarine might be Simrad and you  have these T's and basically what it is  is enemy 2000 is what's called that bus  topology as opposed to serial and what  is serial serial is two people talking  when I talk you listen  and when I the other person talks I  listen so basically it's not any to any  it's specific someone's a talker and  someone's a listener someone's a  transmitter someone's a receiver and  when you're setting up an enemy a 0 1 a  3 Network you've got to make conscious  decisions ok now this device for example  my char plotter is going to be  transmitting GPS information who needs  to listen to this information it might  be your VHF it might be your radar and  might be another device maybe another  device on your boat that needs GPS and  so you're gonna be setting up this  protocol you've got to constantly think  ok what does what need who sends that  information and it can be tricky on  large boats where we had many devices it  would take a lot of time for us to  figure out what is what how do we match  the port's colors everything and often  you'd make errors and you'd find out  over time within any mm it's dead simple  as long as you set up the bus properly  you don't have to worry about what talks  to what  because all devices are interconnected  and the devices by themselves are gonna  be listening for the information you  tell them to listen to but you don't  have to worry about figuring out who  needs to listen to GPS who needs depth  who needs routing information who needs  a compass information all of your  network is going to have that  information and whatever device is on  that MEA 2000 Network can decide to pull  the information or push into information  on the bus so any 2000s purpose is  really to make your life as an installer  easy and if you've got further questions  on to me a few thousand check out our  tips and tricks on installing an enemy  2000 network on your boat thanks for  watching