Printronix ThermaLine Series - Manual (Page 37)

2–7 Configuration
UPC Descenders
This parameter allows you to leave a gap for human readable data in the
UPC/EAN bar codes.
Disable. The IGP/PGL does not leave a gap if there is no human readable
data.
Enable. The default. The IGP/PGL leaves a gap, even if there is no human
readable data.
Host Form Length
This parameter determines which page length setting (the one specified in
the Create Form mode or the one set on the printer) will be used when you
send an Execute (print) command.
Enable. The page length set in the Create Form mode is used. This is the
default.
Disable. The page length set on the printer will be used.
IGP 100 Compatibility
This parameter is used to make PGL compatible to the original IGP 100 in
cases such as exact positioning of text, etc.
Disable. Does not change PGL behavior. This is the default value.
Enable. Makes PGL behavior compatible to that of IGP
100
.