VT Host OIA Group Indicator Meanings and Its Image

Details of the VT Host OIA group are listed in the following tables.
  • Group 1 (Offset 82): Online and Screen Ownership
    Bit Meaning
    5 Subsystem ready
  • Group 2 (Offset 83): Character Selection
    Bit Meaning
    0 Upper shift
    2 CAPS
  • Group 7 (Offset 88): Insert
    Bit Meaning
    0 Insert mode
Some columns on the OIA line display different messages for VT than those messages displayed for 3270/5250. See the following table for specific details.

Column Symbol
1–7 VT220 7
VT220 8
VT100
VT52
VTANSI
9 - 12 LOCK
61 - 64 HOLD