In telecommunication, the term cancel character has the following meanings:

1. A precision control character (In Unicode, the hexadecimal code number is 0x18, abbr is CAN) used to indicate that the data with which it is associated are in error or are to be disregarded.
2. An accuracy control character (In Unicode, the hexadecimal code number is 0x94, abbr is CCH) used to indicate that the data with which it is associated are in error, are to be disregarded, or cannot be represented on a particular device.

[edit] See also

• C0 and C1 control codes

[edit] References

•  This article incorporates public domain material from the General Services Administration document "Federal Standard 1037C".