Epson TM-L60 Operator's Manual page 57

[Notes] The syntax to be used when setting data in the print buffer
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should be based upon GS CO.
For count mode, see GS Cl or GS C;.
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With counting up
If the counter value set by this command goes out of the counter
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operation range set by GS Cl or GS C;, it will be forced to
convert to the minimum by GS c.
With counting down
If the counter value set by this command goes out of the counter
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operation range set by GS C1 or GS C;, it will be forced to
convert to the maximum by GS c.
GS f n
[Name]
Select font for HRI characters.
[Format] <1D>H<66>H<n>
[Range] n = 0, 1
[Description] Selects a font for the HRI characters used when printing a bar
code.
n selects the font from the following table.
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HRI means Human Readable Interpretation.
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[Notes] HRI characters are printed at the position specified by GS H.
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n = 0
[Default]
[Reference] GSH
GS h n
[Name] Select height of bar code
[Format] <1D>H<68>H<n>
[Range]
1 n 255
[Description] Selects the height of the bar code.
n specifies the number of dots in the vertical direction.
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[Default] n= 162
F o n t
n
Font A
0
1
F o n t B
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