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US ( k <Function 169>

[Name]

QR Code: Select the error correction level

[Format]

ASCII		US		(		k		pL		pH		cn		fn		n
Hex		1F		28		6B		03		00		31		45		n
Decimal		31		40		107		3		0		49		69		n

[Range]

(pL + pH x 256) = 3 (pL = 3, pH = 0)

cn = 49

fn = 69

48 ≤ n ≤ 51

[Default]

n = 48

[Description]

Sets the error correction level for QR Code.

n	Function	Reference: Approximate figure for recovery (%)
48	Selects the error correction level L	7
49	Selects the error correction level M	15
50	Selects the error correction level Q	25
51	Selects the error correction level H	31

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[Notes]

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

ESC/POS^® Command Reference for Customer Displays

Introduction
Command List
- Commands in Code Order
Commands Arranged by Function
- Character Displaying Commands
  - CLR
  - CAN
  - ESC %
  - ESC &
  - ESC ?
  - ESC R
  - ESC t
  - US C
  - US E
  - US T
  - US U
  - US r
  - US .
  - US ,
  - US ;
  - US #
  - US ( G <fn=35>
  - US ( H
  - US ( H <fn=34>
  - US ( H <fn=35>
- Display Position Commands
  - BS
  - HT
  - LF
  - US LF
  - HOM
  - CR
  - US CR
  - US B
  - US $
  - US MD1
  - US MD2
  - US MD3
- Window Commands
- Bit Image Commands
- 2D Code
- Macro Function Commands
  - US :
  - US ^
- Kanji Commands
- Miscellaneous Commands
  - ESC =
  - ESC @
  - US X
  - US v
  - US @
  - US ( A
  - US ( B
  - US ( B <fn=48>
  - US ( M
  - US ( M <fn=1>
  - US ( M <fn=2>
  - US ( M <fn=3>
- Customize Commands
Appendixes