1. How to connect to another central :-
a) Go to settings
b) Press on System Status.
c) Notice that there is button called Connect to another Central, press the button.
(make sure you have connected to the same internet as your ipad)
d) Once you are to connect to another Central, enter Central PIN.
e) When you are connected, it will directly go to your table.
2. How to refresh table :-
There are 2 ways to do so : 1) Press the refresh button as shown.
2) Swipe on the table page downwards.