Reference Guide
Reference Guide
Reference Guide

SET UNDO

Used to turn Undo (action) on or off.

To toggle Undo
  1. Key in SET UNDO

To enable Undo
  1. Key in SET UNDO ON

To disable Undo
  1. Key in SET UNDO OFF

When Undo is turned off, the contents of the undo buffer are discarded. Thus, previous operations cannot be negated even after Undo is turned back on.