Logging On

Click on the bodies so it becomes lit, this will show all your groups of users.

And click on the map so you can see where the users are.  You can make the map larger or smaller and move it about to suit yourself.

You find this on right side of screen

Does what it says, its that easy.  Talk to all the users in the group you have chosen. 

Left click on the group for this list.  Brighter coloured users are logged on. 

Click the dots for more options

Left Click on a user on the map for more info and options,