Hand Held Products 2020 - Manual (Page 63)

2020/3820 User’s Guide 2 - 17
Wand Emulation 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.
* Wand Emulation Overall
Checksum Off
Wand Emulation Overall
Checksum On