I-Data 5250 ALLY - Manual (Page 196)

AGILE 5250 ALLY User’s Guide and Reference Page B-14
Command: Set GCGID through GCID (SCG)
Format: 2B D1 nn 01 gcgc cpcp
Printers: 3812, 5219
Action: Sets the character set used to map subsequent text.
The gcgc parameter specifies the Graphic Character set
Global ID (GCGID).
The cpcp parameter specifies the Code Page Global ID
(CPGID).
The 3812 discards the gcgc parameter.
IBMEMUL: No operation.
275EMUL: No operation.