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US @

[Name]

Execute self-test

[Format]

ASCII		US		@
Hex		1F		40
Decimal		31		64

[Description]

Executes the self-test.

[Note]

All set values except those listed below are initialized:
- User-defined character definitions
- Macro definition
- Time counter value
After completion of the self-tests, the screen is cleared and the "Cursor" is moved to the "Home position".

Quick Access

[Name]
[Format]
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[Description]
[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