The following Special Keys, Function Keys, and Key Combinations are commonly used for Sales Transaction Entry:
[Ins] or [F2] - (from the Qty column) Displays the Dimension Calculator.
[F8] - Add a Customer to a Sales Transaction.
[Shift]+[F8] - Enter a Credit Memo.
[F9] - Toggle the Item Entry Mode.
[Shift]+[F9] - Toggle Invoice and Order/Ship Display Mode.
[Shift]+[F10] - Quick Save a transaction.
[Shift]+[Enter] - Enter a Comment.
[Ctrl]+[Enter] - Insert a Line Item.
[Ctrl]+[Backspace] - Delete a Line Item.
See:
Sales Manager Contents