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  6. GS ( L   <Function 64>

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Parameters are refined by the selected printer.
  • EU-m30
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  • TM-U230

GS ( L   <Function 64>

[Name]

Transmit the key code list for defined NV graphics

[Format]

ASCII
   
GS
  
(
  
L
  
pL
  
pH
  
m
  
fn
  
d1
  
d2
Hex
1D
28
4C
04
00
30
40
4B
43
Decimal
29
40
76
4
0
48
64
75
67

[Range]

(pL + pH × 256) = 4
m = 48
fn = 64
d1 = 75 (Character "K")
d2 = 67 (Character "C")

[Description]

Transmits the defined NV graphics key code list.
  • ESC/POS Handshaking Protocol is required for this function.

[Notes]

  • When key codes are present, the data shown below (beginning with Header and ending with NUL) is sent.
  • Send data
    Hex
    Decimal
    Number of bytes
    Header
    37h
    55
    1 byte
    Identifier
    72h
    114
    1 byte
    Identification status (∗1) (∗2)
    40h or 41h
    64 or 65
    1 byte
    Data (∗3)
    20h – 7Eh
    32 – 126
    0 – 80 bytes
    NUL
    00h
    0
    1 byte
  • (∗1) When the number of NV graphics data groups exceeds 40, the groups are divided into blocks:
    • When unsent data is present, the Identification status byte (byte 3) is set to hexadecimal value 41h and decimal value 65.
    • When unsent data is not present, the Identification status byte (byte 3) is set to hexadecimal value 40h and decimal value 64.
  • (∗2) If the number of NV graphics data groups is 40 or less, they are sent in a single batch, with the Identification status byte (byte 3) set to hexadecimal value 40h and decimal value 64.
  • (∗3) The data groups are arranged according to the key codes.
  • When no key codes are present, the data shown below (beginning with Header and ending with NUL) is sent.
  • Send data
    Hex
    Decimal
    Number of bytes
    Header
    37h
    55
    1 byte
    Identifier
    72h
    114
    1 byte
    Identification status
    40h
    64
    1 byte
    NUL
    00h
    0
    1 byte
  • Do not use this function in conjunction with NV bit images (FS q   [obsolete command] ).
  • See [Notes for transmission process] for process sending data group.
  • See [Notes for ESC/POS Handshaking Protocol] for ESC/POS Handshaking Protocol.
 

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ESC/POS® includes patented or patent pending commands. The contents must not be disclosed to third parties.


ESC/POS® Command Reference for TM Printers

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  6. GS ( L   <Function 64>

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