Once you launch Point of Sale, it is important to know the basic navigation of the screen.
There is a customer and functional workspace area on this screen. There are buttons at top for back, cancel, edit, and more.
There are icons on bottom for:
Save: Saves on Eagle as Order
Signoff
Void: Clears items and resets to Launch screen
Customer
Here is a more detailed breakdown of the screen:
There is also a feature called CoachNotes which provides custom help overlays for the novice or first time user.