Rockwell Automation 6180 Industrial Computers - Manual (Page 142)

13–20 Keypad Configuration Utility Software
Publication 6180-6.0
Figure 13- 15
The default is Make/Break Typematic.
Make/Break is available only for a single key code definition including
its modifiers.
For earlier firmware versions that do not support Make/Break, the Select
Mode is inactive (grayed).