To edit your connection settings, navigate to the manage connections page. Under the connection you wish to update, click the Edit Connection button.
This will take you to a field where you can edit your connections. For each datapoint pulled from your POS, you can associate a GL account from your accounting system. Click the dropdown menu under each datapoint to see your GL account options. Click the next to each datapoint for a definition.
Click the Update button on the bottom of the page to confirm your updates.