Knowing which POS Device is open on which computer is an important part of your daily activities. To switch a POS device, click More > Settings > Device. The POS Device currently allocated to the computer will be displayed at the top of the screen. To switch POS devices, scroll to the bottom of the POS device settings page and click deactivate device. Select a new device from the list. 

You can’t use the same POS device on multiple computers at the same time. If you try to take over a POS Device that is currently in use on another computer, a warning message will appear letting you know which staff member might be using the device. If you decide to take over the POS Device, this will automatically deactivate the POS Device on the other computer and enable it on yours