Printronix ThermaLine Series - Manual (Page 109)

4–65 Commands
Ignore Sequence
Purpose Enables the IGP/PGL to ignore all characters after the Ignore Sequence On
(IGON) command is entered. All characters are ignored until the Ignore
Sequence Off (IGOFF) command is entered.
Mode NORMAL, CREATE, or EXECUTE
Format (cc)IGON or (cc)IGOFF
NOTE: A line terminator is not required in the Ignore Sequence.
(cc) The Special Function Control Character.
IGON Ignore Sequence On command; enter IGON.
IGOFF Exits Ignore Sequence
Comments IGON and IGOFF can also be used anywhere in the data stream.
NOTE: Commands in PTX_SETUP and control characters used to
download TIFF and PCX logos are not ignored.