Appendices

APPENDIX A

American Standard Code for Information Interchange

ASCII Value Symbol Description

000

(NUL)

Null char

001

☺ (SOH)

Start of Heading

002

☻ (STX)

Start of Text

003

♥ (ETX)

End of Text

004

♦ (EOT)

End of Transmission

005

♣ (ENQ)

Enquiry

006

♠ (ACK)

Acknowledgment

007

• (BEL)

Bell

008

◘ (BS)

Back Space

009

○ (HT)

Horizontal Tab

010

◙ (LF)

Line Feed

011

♂ (VT)

Vertical Tab

012

♀ (FF)

Form Feed

013

♪ (CR)

Carriage Return

014

♫ (SO)

Shift Out / X-On

015

☼ (SI)

Shift In / X-Off

016

► (DLE)

Data Line Escape

017

◄ (DC1)

Device Control 1 (often XON)

018

↕ (DC2)

Device Control 2

019

!! (DC3)

Device Control 3 (often XOFF)

020

¶ (DC4)

Device Control 4

021

§ (NAK)

Negative Acknowledgement ...

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