This option enables you to quickly Clear a transaction
Clear has two main options:
•Single Line - Just Clears (deletes) the currently selected line (or the last line if no line selected)
•All Lines - Clears the whole transaction and re-sets the Inv To to the default (ID: 1 - Normally '* Counter Sale *'). Depending on the type of transaction it will warn before deleting and give an option to Save