No-Tab
Controls with this style set are skipped when the user navigates the screen using the Tab and the Backtab keys.
 
Example - Define a slider that would be skipped when tab is pressed
screen section.
...
  03 screen-1-sl-2 Slider
     line 39.1
     column 12.8
     size 38.4 cells 
     lines 3.8 cells 
     id 10
     horizontal
     inverted
     no-tab
     show-labels
     min-val 10
     max-val 100
     page-size 5
     labels-increment 15
     .