Fn = 3, 51: Function 3 Specifies The Auto Loading Function Of The Set Value At Initialization To Be Valid Or Invalid Gs; Fn = 48: Function 48 Selects Character Color - Citizen PPU-700 Command Reference Manual

GS ( N pL pH fn m
[Function] Designating font attribute
[Outline] Executes processing of font attribute by the specified "fn" value.

fn = 48: Function 48 Selects character color

GS ( N pL pH fn m
[Code]
<1D>H<28>H<4E>H<pL><pH><fn><m>
[Range]
（pL＋pH×256）＝2 （pL＝2、pH＝0）
ｆｎ＝48
m＝49 (At single color paper setting)
m＝49、50 (At 2-color paper setting)
[Outline] Prints the succeeding characters with the energy set in "m".
[Default] m＝49
Function No. (fn)
48
m
49
50
Function
Selects character color.
Function
High energy
Low energy
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