S set slew rate, S store label format in module, T set field data line terminator – Datamax DGL User Manual
Page 24: U make previous field a string replace field, X terminate label-formatting mode, Y select font symbol set, Z zero (ø) conversion to “0

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Chapter
2
S Set Slew Rate
This command sets the rate for the printer to feed non-printed areas of the 
label through the printer. The slew rate remains unchanged unless another 
slew rate command is sent, the printer is reset or a new rate is set via the 
menu.
s Store Label Format In Module
This command stores a label format in a specified module. Supplying memory 
module name A, B, or D will store the label to that module. (Using C will cause 
the label format to be stored in whichever module has been set as the default 
module, refer to the Set Default Module Command, 
format command will terminate the Label-Formatting Command.
T Set Field Data Line Terminator
This command is valid only for the next format record, after which the 
terminator defaults to a carriage return. This allows the user to embed special 
binary control codes (e.g., carriage returns) into the data to be printed. It is 
intended to be used with record types (e.g., PDF417), that will accept binary 
data.
U Make Previous Field A String Replace Field
This command does not require the use of an updated field (register loading); 
the command only controls the way the bit-mapped data is formatted. The 
data used when it is created must be valid for the font type being used. If the 
command is used, only the changing data will be reformatted; if this command 
is not used the entire label will be formatted. The U command is used in 
conjunction with the 
resulting in faster label generation.
X Terminate Label-Formatting Mode
When the printer is in Label-Formatting mode and receives this command, it 
will immediately switch to the System-Level Command mode and generate a 
label format based on whatever data it has already received. However, unlike 
the ‘E’ command, it will not print a label. (Other termination commands are the 
‘E’ and ‘s’ Label-Formatting Commands.)
y Select Font Symbol Set
Same as a System-Level Command 
scalable fonts (see Generating Label Formats; also see 
z Zero (Ø) Conversion to “0”
This command removes the slashes from zeros in fonts 0 to 8, and barcodes. 
The command is effective only for the label format in which it appears, and 
applies to all format records containing fonts 0 through 8 or barcodes A 
through Z. (None of the smooth fonts [font 9] have a slash zero.) The 
command has no effect on scalable fonts.
