Nematron Pointe Controller - Manual (Page 180)

Chapter 5: Developing Controller Programs Pointe Controller User Guide
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5.10.3 Viewing tag cross references
A cross-reference of all Logic Memory tags and variables used within
the active Flow Chart or Ladder Diagram can be shown or hidden using
the Show Cross-Reference tool. The cross-reference appears on the left
side of the editor workspace and consists of a tree of all database alias
tags. Each tag can be expanded, by clicking the open icon (cross within a square)
or double clicking on the entry, to show the DRV, wire label and list of blocks
using the tag. Each entry in the list includes the rung number and block type
using the tag. A double click on the entry will select and show the function block.
The cross-reference is hidden by default whenever the ladder editor is started.