Hand Held Products IT3800 - Manual (Page 42)

2 - 16 IT3800/3900 User’s Guide
Overall Checksum
When this option is turned on, a computed check character is added at the end
of the entire message. The check character is the character which when
Exclusive-OR’d with every preceding character of the message yields a result of
0x00 (00H). Default = Off.
On
* Off