1) To create an order for a table in your restaurant, do the following. Make sure you're on the home screen and the order mode on your order pad is set to "For Here". Then press "Add Table", this will open the Add Tables screen.
2) From here you can select any available table from any room. Click on the table you would like to add an order for. Once pressing will ask you how many covers are on the table and then will take you back to the home screen.
3) From here add your items. Once you have added all the items press save. This will save the order onto that table so you can access it later.
4) You can open the order again and add more items, simply by pressing the menu icon pressing tables and then finding your table and then pressing Open Table. You can see you can also change things like Table status, Merging and Moving, Paying off tables and more. Once you've pressed the open table you can add more items.